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ivisitazione logo aziendale \ Canefantasma Studio, febbraio 2010<br />

GEOPHYSICS INSTRUMENTS<br />

ADVANCED GEOPHYSICS INSTRUMENTS<br />

ADVANCED GEOPHYSICS INS<br />

D GEOPHYSICS INSTRUMENTS<br />

ADVANCED GEOPHYSICS INSTRUMENTS<br />

D GEOPHYSICS INSTRUMENTS<br />

ADVANCED GEOPHYSICS INSTRUMENTS<br />

D GEOPHYSICS INSTRUMENTS<br />

ADVANCED<br />

GEOPHYSICS<br />

INSTRUMENTS<br />

ADVANCE<br />

GEOPHYS<br />

INSTRUM


› Mae 3<br />

CONTENTS<br />

ULTRA SOUNDS<br />

I-SONIC P 11<br />

A5000UM P 12<br />

A3000U P 14<br />

A6000U P 16<br />

SEISMIC EXPLORATIONS<br />

VIBRALOG P 29<br />

A6000S P 30<br />

SYSMATRACK P 32<br />

SEISMIC MONITORING<br />

VIBRAMONITOR P 37<br />

A5000SP P 38<br />

SYSMALOG P 39<br />

SETA SYSTEM P 40<br />

GEO-ELECTRIC EXPLORATIONS<br />

A6000SE P 50<br />

A6000E P 52<br />

MONITORING<br />

DL-8 P 61<br />

DL-8 IP P 62<br />

A5000M-IP P 63<br />

MULTILOG P 64<br />

A5000MA P 65<br />

A5000M P 66<br />

A5000MAW P 68<br />

TERMALOG P 69<br />

A5000T P 70


› Presentazione<br />

4<br />

ADVANCED GEOPHYSICS INSTRUMENTS<br />

ADVANCED GEOPHYSICS INSTRUMENTS<br />

ADVANCED GEOPHYSICS INSTRUMENTS<br />

ADVANCED GEOPHYSICS INSTRUMENTS<br />

ADVANCED<br />

GEOPHYSICS<br />

INSTRUMENTS<br />

ADVANCED<br />

GEOPHYSICS<br />

INSTRUMENTS<br />

Molisana Apparecchiature<br />

Elettroniche Srl (MAE), has<br />

been working in the precision<br />

electronic instrument field<br />

since 1982. MAE is specialized<br />

in the designing, manufacturing<br />

and installation of<br />

electronic instruments and<br />

dedicated software configuration<br />

packages for a wide<br />

variety of inspection applications<br />

and relevant data<br />

processing.<br />

MAE boasts being one of the<br />

first companies worldwide<br />

to develop seismic telematic<br />

networks. Over the years,<br />

it has spread its presence not<br />

only in the domestic market,<br />

but also internationally,<br />

thanks to important cooperation<br />

projects with various<br />

universities and research<br />

centres, both public and private.<br />

The company is currently<br />

involved in some important<br />

research projects<br />

worldwide such as the Seismic-Inclinometric<br />

Network<br />

installed in Quito (Ecuador),<br />

and the 24-bit Digital Telemetry<br />

Seismic Network (S.E.T.A.<br />

Project) in Tbilisi (Georgia),<br />

which are being developed in<br />

cooperation with The National<br />

Institute of Oceanography<br />

and Experimental Geophysics<br />

(OGS) in Trieste (Italy), and<br />

the Georgian National Insti-


› Mae 5<br />

Advanced Geophysics Instruments<br />

tute of Geophysics (IGEM) in<br />

Tbilisi (Georgia).<br />

Besides its main activity in developing<br />

digital seismic networks,<br />

MAE has always been<br />

supporting industry with the<br />

development and manufacture<br />

of precision instrumentation<br />

and equipment<br />

devices for geology and geotechnology,<br />

as well as for<br />

non-destructive inspections<br />

in the engineering and environmental/structural<br />

monitoring<br />

fields.<br />

MAE boasts a wide production<br />

of portable instruments,<br />

as well as fixed working stations<br />

or stations which are<br />

integrated into a particular<br />

area, tailoring instruments<br />

design and manufacturing to<br />

the client’s specific requirements.<br />

MAE innovative solutions<br />

stand out for easeof-use,<br />

high-tech features,<br />

maximum flexibility, modularity<br />

and expandability.<br />

A training support program<br />

featuring training courses<br />

and thematic courses held in<br />

cooperation with various experts<br />

and university scientists,<br />

is constantly updated to<br />

offer in-depth knowledge on<br />

the major geophysical and<br />

geotechnical investigation<br />

techniques.


ULTRA SOUNDS


8<br />

ULTRA SOUNDS<br />

› CONTACT ULTRA-SOUND SURVEYS<br />

(Direct – Indirect – Semi-direct method)<br />

The method is based on the propagation<br />

speed of longitudinal ultra-sonic<br />

waves inside a reinforced concrete<br />

structure. The propagation speeds depends<br />

on the characteristics of the material<br />

such as elasticity, density, presence<br />

of gaps, micro-holes, etc… From<br />

the determination of the following parameters:<br />

reflection, refraction, transit<br />

time (T.O.F.) and mitigation of the vibration<br />

energy, it is possible to obtain information<br />

on:<br />

• Homogeneity of the mix<br />

• Elasto-mechanical characteristics<br />

• Entity, geometry and location of particular<br />

faults or internal defects, variations<br />

in time of the quality parameters<br />

of the concrete<br />

Ultra-sonic tests through which it is<br />

possible to evaluate the transit speed<br />

of the pulses (with known thickness<br />

and time) are particularly important.<br />

The primary goal of the Ultra-sound<br />

survey is to record the time of fly (TOF,<br />

Time of Fly) and the following calculation<br />

of the speed. In order to calculate<br />

the propagation speed of longitudinal<br />

waves (P waves), the arrival of the first<br />

wave-train must be found out with accuracy.<br />

In order to perform this operation<br />

correctly, the instrument must be<br />

equipped with oscilloscope that allows<br />

to visualize the transit wave on the device<br />

display.<br />

The ultra-sound tests can be carried<br />

out with:<br />

• Direct method<br />

When the transmitting and receiving<br />

probes are positioned on the opposite<br />

sides of the element to test.<br />

• Semi-direct method<br />

When the E/R probes are positioned on<br />

adjacent surfaces, usually orthogonal,<br />

of the element to test<br />

• Indirect method<br />

When E/R probes are positioned in the<br />

same side of the structural element to<br />

test.<br />

› CROSS-HOLE ULTRA-SOUND TEST<br />

The cross-hole is a method to analyze<br />

the foundation poles of buildings that,<br />

with the use of ultra-sounds, crosshole,<br />

allow to carry out an accurate<br />

high resolution test. An ultra-sonic<br />

wave is sent from a transmitter to<br />

a receiver, which are convoyed automatically<br />

by the device along the entire<br />

length of the pole inside the pipes<br />

embedded inside of it, during casting.<br />

The speed of the sonic wave and its<br />

energy are strongly influenced by the<br />

quality of the cement. Therefore, it is<br />

possible to assess the characteristics<br />

and give a tomographic representation<br />

in 2D and 3D called diagraphy..


› Mae 9<br />

› SONIC TEST ON MASONRY<br />

The principle of the sonic tests on masonry<br />

is the same as principle of ultrasound<br />

tests on concrete. The only difference<br />

is the method to produce the<br />

longitudinal elastic wave used for the<br />

measurement: a hammer is used instead<br />

of an ultra-sonic pulse. The frequencies<br />

thus produced (a few hundreds<br />

of Hz), lower than those of the<br />

ultra-sounds (a few tens of KHz) are<br />

able to also cross scarcely compact<br />

masonry walls, such as brick-faced<br />

or brick walls, thus allowing to evaluate<br />

the conservation state, through<br />

the speed and/or mitigation values of<br />

the wave produced. This type of test<br />

can also be applied on concrete structures,<br />

which sizes do not allow to use<br />

ultra-sounds, because these can no<br />

longer be measured at a few metres<br />

from the source. The sonic tests give<br />

less accurate values compared to the<br />

tests with ultra-sounds, but they can<br />

be performed also on scarcely compact<br />

materials and/or at a distance of<br />

a few metres.<br />

› PILE INTEGRITY TEST<br />

The sonic echo test is a survey method<br />

consisting in the measurement<br />

of the reflection speed of compression<br />

waves, to assess the integrity of<br />

a pole. The method was conceived in<br />

Holland during the 70s, as instrument<br />

to check the quality of pre-fabricated<br />

foundation poles in concrete, extensively<br />

used in that country. Due to the<br />

regularity of the surfaces of the prefabricated<br />

poles, the sonic echo test<br />

could be used with a high level of reliability.<br />

For this type of test, a compression<br />

wave is propagated until the base<br />

of the pole and is reflected towards its<br />

head. The compression wave is generated<br />

with an impact on the pole head<br />

and the signal recorded by a geophone<br />

is displayed in a graph in real time. If<br />

discontinuities are present in the pole<br />

such as variations of the section or<br />

cracks, these cause reflections. If the<br />

discontinuities are fairly significant,<br />

such as for example a complete fracture<br />

of the concrete, these cause an<br />

almost complete fracture, thus preventing<br />

to detect the base of the pole.<br />

In order to execute the test properly,<br />

the pole head must be accessed. The<br />

geophone is placed on the concrete<br />

surfaced, properly prepared, through<br />

a coupling material and by placing<br />

on top a load of a few kg. When the<br />

head of the pole is hit in a selected<br />

point, the impact enables the acquisition<br />

of the signal produced by the geophone,<br />

which is shown immediately on<br />

the screen. In order to eliminate the<br />

background noise caused from the<br />

construction site activities, the acquisition<br />

can be repeated a few times to<br />

calculate the averages.


› Ultra Sounds<br />

10<br />

SUPPORTED<br />

INVESTIGATION<br />

I-SONIC<br />

A5000UM<br />

A3000U<br />

A6000U<br />

Ultrasonic contact test • • • •<br />

Sonic Inspection on masonry • •<br />

P.I.T. Pile Integrity Test • •<br />

Sonic logging • •<br />

Cross-Hole 2 channel • •<br />

Cross-Hole 3 channel<br />


› Mae 11<br />

I-SONIC<br />

SUPPORTED INVESTIGATION<br />

Ultrasonic contact test<br />

Digital instrumentation for ultrasonic<br />

tests through transparency, it can<br />

be used for testing walls, trusses,<br />

partition walls, specimen, laboratory<br />

samples, and other types of concrete<br />

structures or stony materials.<br />

The extremely compact sizes render<br />

I-SONIC suitable for particularly burdensome<br />

uses, where utmost accuracy<br />

in the measurement is required,<br />

together with reliability, sturdiness<br />

and compact sizes. Thanks to the<br />

presence of a large graphic display,<br />

the visualization and interpretation<br />

of the data acquired is easy and immediate.<br />

Each single wave emitted<br />

by the internal generator is visualized<br />

in full and it is also possible to<br />

modify the visualization parameters<br />

to further facilitate the reading of<br />

the crossing speed. The data is saved<br />

on a removable S.D. memory.<br />

The ultrasonic test through contact<br />

is a standardized system in the diagnostics<br />

sector of concrete structures.<br />

From the analysis of the compression<br />

waves P in the material, it is possible<br />

to obtain the transit time (airborne<br />

time T.O.F.), of the ultrasonic waves<br />

in the material and the transmission<br />

speed of the same waves inside the<br />

material tested. The use of this method<br />

at high frequencies is particularly<br />

suitable for compact materials, as<br />

hardened concrete, and on structural<br />

elements of reduced sizes, such as<br />

beams, pillars, etc…<br />

This series of instruments allows to<br />

assess the mechanical characteristics<br />

of the materials, evaluate the<br />

degree of homogeneity and possible<br />

presence of holes, gaps, defects or<br />

building anomalies of the element.<br />

SPECIFICATIONS<br />

Acquisition:<br />

• Signal range: ±2.5<br />

• Time bases: 1μs<br />

• Amplifications: 30dB – 62dB<br />

• Sample resolution: 12 bit<br />

• Samples per event: 320<br />

• Band width: 200kHz<br />

• Filter for ultra-sounds: central frequency<br />

50 kHz<br />

• Channels: 1 TX, 1 RX<br />

• Methods: manual (with button) or<br />

automatic (repetitive in time)<br />

Probes:<br />

• Resonant frequency: 53 kHz<br />

• Diameter: 48mm<br />

• Excitation peak voltage: 500V (normal),<br />

2000V (high)<br />

• Maximum frequency for pulse emission:<br />

1 per second<br />

General data:<br />

• Keyboard: 6 charge-transfer buttons<br />

• Display: mono-chromatic graphic<br />

LCD 320 x 240 pixel<br />

• Measures display: numeric and<br />

graphic<br />

• Power supply: internal batteries AA<br />

type rechargeable and replaceable<br />

(12V – 2.5Ah)<br />

• Typical consumption: 90mA idle,<br />

170mA when taking measurements<br />

• Container: anti-crash, in copolymers<br />

of polypropylene<br />

• Operating temperature: 0-60°C<br />

• Sizes and weight: 23.8 x 6.7 x 14.1<br />

cm, 2.5 Kg<br />

mae-srl.it/go/i-sonic


› Ultra Sounds<br />

12<br />

A5000UM<br />

SUPPORTED INVESTIGATION<br />

Ultrasonic contact test<br />

Sonic Inspection on masonry<br />

SPECIFICATIONS<br />

Acquisition:<br />

• Signal range: ±2.5<br />

• Time bases: 1μs, 10μs, 50μs<br />

• Amplifications: 30dB – 62dB<br />

• Sample resolution: 12 bit<br />

• Samples per event: 640<br />

• Band width: 200kHz<br />

• Filter for ultra-sounds: central frequency<br />

50 kHz<br />

• Channels: 1 TX, 1 RX<br />

• Methods: manual (with button) or automatic<br />

(repetitive in time)<br />

Probes:<br />

• Resonant frequency: 53 kHz or 21 Khz<br />

• Diameter: 48 mm (53 kHz) ; 100 mm<br />

(21 kHz)<br />

• Excitation peak voltage: 500V (normal),<br />

2000V (high)<br />

• Maximum frequency for pulse emission:<br />

1 per second<br />

Hammer:<br />

• Trigger: piezoelectric<br />

• Shutters: in plastic and metal<br />

General data:<br />

• Recording support: removable SD memory<br />

up to 2 GB<br />

• Data format: TSV, BMP<br />

• Keyboard: 24 charge-transfer buttons<br />

• Display: mono-chromatic graphic LCD<br />

320 x 240 pixel<br />

• Measures display: numeric and gra-<br />

phic<br />

Power supply: internal batteries AA<br />

•<br />

type rechargeable and replaceable<br />

(12V – 2.5Ah).<br />

• Typical consumption: 90mA idle,<br />

170mA when taking measurements<br />

• Container: anti-crash, in copolymers of<br />

polypropylene<br />

Operating temperature: 0-60°C<br />

•<br />

Sizes and weight: L. 270 x H. 120 x P.<br />

•<br />

246 mm, 3 Kg


› Mae 13<br />

Instrumentation for the execution of<br />

non-invasive surveys of sonic and ultrasonic<br />

type with an electro-mechanical<br />

hammer operating on concrete structures,<br />

masonry and on various types<br />

of building materials on site and in the<br />

laboratory. The extensive spectrum of<br />

incoming frequencies analysed, allows<br />

to take measurements on materials<br />

with different mechanical, compactness<br />

and homogeneity characteristics.<br />

The ultrasonic test through transparency<br />

is a standardized system in the<br />

diagnostics sector of concrete structures.<br />

From the analysis of the compression<br />

waves P in the material, it<br />

is possible to obtain the transit time<br />

(airborne time T.O.F.) of the ultrasonic<br />

waves in the material and the transmission<br />

speed of the same waves inside<br />

the material tested. The use of<br />

this method at high frequencies is<br />

particularly suitable for compact materials,<br />

as hardened concrete and on<br />

structural elements such as trusses,<br />

partition walls, or other types of<br />

concrete structures or stony materials<br />

with good aggregation degree.<br />

The sonic surveys are carried out using<br />

an electro-mechanical hammer<br />

that acts as trigger and a receiving<br />

probe. Waves on the material to inspect<br />

are generated on the trigger<br />

hammer, which are then detected by<br />

the receiving probe and recorded in<br />

the central unit. The sonic method is<br />

extensively used in tests of materials<br />

with scarce propagation characteristics,<br />

non-compact and heterogeneous<br />

materials in which the distances to<br />

travel are fairly high and they cannot<br />

be reached with the ultra-sonic system<br />

at other frequencies. A5000UM<br />

allows to assess the mechanical characteristics<br />

of the materials, evaluate<br />

the degree of homogeneity and possible<br />

presence of holes, gaps, defects<br />

or building anomalies of the element.<br />

Masonry structures, brick-faced walls,<br />

historic and monumental buildings<br />

can be assessed in terms of conservation<br />

state, in a quick and easy manner,<br />

limiting as much as possible the execution<br />

of destructive tests. Thanks to<br />

the presence of a large graphic display,<br />

the visualization and interpretation of<br />

the ultra-sonic waves generated is<br />

easy and immediate, the first reading<br />

can be picked and the speed and quality<br />

values of the material tested can<br />

be read directly on the device display.<br />

Each single wave emitted by the internal<br />

generator is visualized in full and<br />

it is also possible to modify the visualization<br />

parameters to further facilitate<br />

the reading of the crossing speed.<br />

The data is saved on a removable S.D.<br />

memory.<br />

mae-srl.it/go/A5000UM


› Ultra Sounds<br />

14<br />

A3000U<br />

SUPPORTED INVESTIGATION<br />

Ultrasonic contact test<br />

Sonic Inspection on masonry<br />

P.I.T. Pile Integrity Test<br />

Sonic logging<br />

Cross-Hole 2 channel<br />

SPECIFICATIONS<br />

Acquisition:<br />

• Measurement range: 100mV – 20V<br />

• Time bases: 20ns – 81.9μs<br />

• Sample resolution: 8 bit<br />

• Samples per event: 8192 for contact<br />

measurements, 640 for log<br />

• Band width: 50 MHz<br />

• Filter for ultra-sounds: central frequency<br />

50 kHz<br />

• Measurement channels: 1<br />

Probes:<br />

• Through contact and sonic test with<br />

hammer: resonant frequency 53 kHz,<br />

diameter 48mm<br />

• From hole: resonant frequency 40 kHz,<br />

diameter 35mm<br />

• Through echo-test: vertical geophone<br />

with resonant frequency 4.5 Hz<br />

• Excitation peak voltage: 500V (normal),<br />

2000V (high)<br />

• Maximum frequency for pulse emission:<br />

1 per second<br />

• Minimum measurement pitch: 10mm<br />

• Motorised reels: no. 2 with 60 metres<br />

of cable<br />

• Encoder position: no. 2, precision 3.6°<br />

• Speed and alignment: managed automatically<br />

Hammer (UM model):<br />

• Trigger: piezoelectric<br />

• Shutters: in plastic and metal<br />

General data:<br />

• Power supply: 12V DC, supplied by a<br />

specific power box with 24Ah batteries<br />

• Average absorption: 1.5A (standby) –<br />

2.5A (while taking measurements)<br />

• Interfaces available: LAN, USB, VGA<br />

• Display: LCD 7” with touch-screen<br />

• Operative System: Windows Embedded<br />

Standard 2009<br />

• Data format: WAV, ASCII, DCS (owned)<br />

• Environmental operating conditions:<br />

-20/80 °C<br />

• Sizes: 28 x 24.6 x 17 cm<br />

• Weight of the central unit: 5kg


› Mae 15<br />

A3000U device is a complete system<br />

for non-destructive structural<br />

inspections through ultra-sounds on<br />

poles, deep foundations, infrastructural<br />

works or buildings. The system<br />

consists of a computerised central<br />

unit of extremely compact sizes,<br />

to which it is possible to connect, according<br />

to the type of survey, transducers<br />

for surveys in direct contact or<br />

motorised reels controlled electronically,<br />

on which probes are assembled<br />

with drilling power, for cross-holes<br />

surveys. The central unit integrates<br />

the ultra-sound generator, 2 acquisition<br />

channels, the control electronics<br />

for the automatic management of<br />

the probes when being raised/lowered<br />

in the probing tubes in the cross-hole<br />

test and for saving the data on internal<br />

or external memory of USB type.<br />

Thanks to the user-friendly management<br />

software, all the functions are<br />

selected through menus that can be<br />

browsed simply, by touching the large<br />

transflective 6.4” touch screen LCD<br />

monitor. In CROSS-HOLE surveys on<br />

concrete poles, in order to obtain the<br />

proper measurement of the crossing<br />

delay of the wave and for the optimal<br />

receipt of the signal, the probes must<br />

be perfectly aligned when taking the<br />

measurement. Thanks to the management<br />

through micro-processor,<br />

A3000U is able to ensure the constant<br />

alignment between probes when taking<br />

the measurement, and in case the<br />

alignment is not achieved, it compensates<br />

the speed between the same<br />

probes. The device carries out an ongoing<br />

testing cycle of the alignment<br />

of the probes when being lowered and<br />

raised inside the holes. This procedure<br />

allows to obtain the maximum resolution<br />

during the acquisition phase.<br />

The data acquired at each single pulse<br />

is displayed in real time on the large<br />

colour monitor, allowing an immediate<br />

visualization of possible imperfections<br />

in the structure inspected.<br />

The procedure to carry out cross-hole<br />

surveys with 2 channels is managed<br />

by A3000U central unit in automatic<br />

mode. The only operations required<br />

to the operator consist in positioning<br />

the encoders for reading the position<br />

of the motorised probes on the tubes<br />

envisaged for probing and to initially<br />

align the probes on the pole head. At<br />

this point, the data acquisition is enabled<br />

by pressing a button, it is managed<br />

in automatic mode by the central<br />

unit, and the data can be checked<br />

as soon as it is acquired. Once the test<br />

is concluded, it is possible to print immediately<br />

the test report containing<br />

the data of the probing directly in the<br />

construction site. Using the contact<br />

transducers (supplied), it is possible<br />

to use the equipment in transparency<br />

tests of walls, trusses, partition walls<br />

or other infrastructural works that require<br />

direct surveys or as laboratory<br />

analyser to check specimen, concrete<br />

samples, rock, stony or plastic materials.<br />

With the direct analysis method, it<br />

is possible to fully analyze each wave<br />

generated. The instrument can be integrated<br />

with:<br />

- expansion Kit for sonic test on walls<br />

with electro-mechanical hammer<br />

- expansion Kit for I.T. TEST (eco-ranging<br />

test) on foundation poles<br />

- expansion Kit for sonic logging on<br />

foundation poles<br />

mae-srl.it/go/A3000U


› Ultra Sounds<br />

16<br />

A6000U<br />

SUPPORTED INVESTIGATION<br />

Ultrasonic contact test<br />

P.I.T. Pile Integrity Test<br />

Sonic logging<br />

Cross-Hole 2 channel<br />

Cross-Hole 3 channel<br />

SPECIFICATIONS<br />

Acquisition:<br />

• Measurement range: 100mV – 20V<br />

• Time bases: 20ns – 81,9μs<br />

• Sample resolution: 8 bit<br />

• Samples per event: 8192 for contact<br />

measurements, 640 for log<br />

• Band width: 50 MHz<br />

• Filter for ultra-sounds: central frequency<br />

50 kHz<br />

• Measurement channels: 2<br />

Probes:<br />

• Through contact: resonant frequency<br />

53 kHz, diameter 48mm<br />

• From hole: resonant frequency 40<br />

kHz, diameter 35mm<br />

• Through echo-test: vertical geophone<br />

with resonant frequency 4.5 Hz<br />

• Excitation peak voltage: 500V (normal),<br />

2000V (high)<br />

• Maximum frequency for pulse emission:<br />

1 per second<br />

• Minimum measurement pitch: 10mm<br />

• Motorised reels: no. 3 with 60 metres<br />

of cable<br />

• Encoder position: no. 3, precision<br />

3.6°<br />

• Speed and alignment: managed automatically<br />

General data:<br />

• Power supply: 12V DC, supplied by a<br />

specific power box with 36Ah batteries<br />

• Average absorption: 2A (standby) - 3A<br />

(while taking measurements)<br />

• Interfaces available: LAN, USB, VGA<br />

• Display: LCD 10.4” with touch-screen,<br />

optical bonding<br />

• Operative System: Windows Embedded<br />

Standard 2009<br />

• Data format: WAV, ASCII, DCS (owned)<br />

• Environmental operating conditions:<br />

-20/80 °C<br />

• Sizes: L470 x H229 x P351 mm<br />

• Weight of the central unit: 5 kg


› Mae 17<br />

A6000U device represents the most<br />

complete and advanced solution for<br />

non-destructive structural surveys<br />

through ultra-sounds on deep foundations,<br />

infrastructural works or buildings.<br />

The system consists of a computerised<br />

central unit of compact sizes,<br />

to which it is possible to connect, according<br />

to the type of survey, transducers<br />

for surveys in direct contact or<br />

motorised reels controlled electronically,<br />

on which probes are assembled<br />

with high drilling power, for cross-holes<br />

surveys on foundation poles. The central<br />

unit integrates the ultra-sound<br />

generator equipped with 3 channels<br />

with two power levels and the control<br />

electronics for the automatic management<br />

of the probes when being<br />

raised/lowered (cross-hole) and for<br />

saving the data on internal or external<br />

memory of USB type. Thanks to the<br />

user-friendly management software,<br />

all the functions are selected through<br />

menus that can be browsed simply, by<br />

touching the large transflective 10.4”<br />

touch screen LCD monitor. Using the<br />

contact transducers (supplied), it is<br />

possible to use the equipment to test<br />

walls, trusses, partition walls or other<br />

infrastructural works that require direct<br />

surveys or as laboratory analyser<br />

to check specimen, laboratory samples,<br />

rock, stony or plastic materials.<br />

Thanks to the presence of the colourdisplay,<br />

the visualization and interpretation<br />

of the data acquired is easy<br />

and immediate. In the direct analysis<br />

mode, each wave emitted by the internal<br />

generator is visualized in full, and<br />

it is also possible to modify the visualization<br />

parameters to further facilitate<br />

the reading of the crossing speed<br />

and possible presence of defects in<br />

the material inspected. With the use<br />

of 3 probes with simultaneous automatic<br />

operation, A6000U device allows<br />

to save 1/3 of the time needed<br />

for probing, since three relative sections<br />

can be obtained with one single<br />

rising/lowering operation of the<br />

probes in the pole to test (which must<br />

be tested with 3 tubes). The system<br />

carries out an ongoing testing cycle<br />

of the alignment of the probes when<br />

being lowered and raised inside the<br />

holes. The data acquired at each single<br />

pulse is displayed in real time on<br />

the large monitor, allowing an immediate<br />

visualization of possible imperfections<br />

in the structure inspected. The<br />

procedure to carry out cross-hole surveys<br />

with 2 or 3 channels is managed<br />

by A6000/U central unit in automatic<br />

mode. The only operations required<br />

to the operator consist in positioning<br />

the encoders for reading the position<br />

of the motorised probes on the tubes<br />

envisaged for probing and to initially<br />

align the probes on the pole head.<br />

Once this operation has been completed,<br />

the data is acquired by pressing<br />

a button and managed in automatic<br />

mode by the central unit. It is<br />

possible to check the data when acquired,<br />

so as to assess the trend of the<br />

test in real time. It is possible to print<br />

immediately the test reports containing<br />

the data of the probing just carried<br />

out in the construction site.<br />

mae-srl.it/go/A6000U


› Ultra Sounds<br />

18<br />

ACCESORIES<br />

I-SONIC<br />

A5000UM<br />

A3000U<br />

A6000U<br />

Sonic Logging • •<br />

Sonic Inspection On Masonry • •<br />

P.I.T. Pile Integrity Test • •<br />

Borehole Probe • •<br />

Contact Probe • • • •<br />

Usb Printer • •<br />

Cross-Hole manuale 2/3 canali • •<br />

Adattatori tronco-conici sonde ultrasuoni • • • •<br />

Sonsa ultrasuoni 21 Khz • • • •<br />

SOFTWARE<br />

WIN-SONIC<br />

DG-WIN<br />

ECHO-WIN<br />

Contact measures test report<br />

•<br />

Sonic Inspection on masonry test report<br />

•<br />

P.I.T. Pile Integrity Test test report<br />

•<br />

Sonic logging test report<br />

•<br />

2 channels Cross-Hole test report •<br />

3 channels Cross-Hole test report •


› Mae 19<br />

ACCESSORIES<br />

› SONIC TESTS ON MASONRY STRUCTURES<br />

Complete kit for inspections on materials that present low propagation characteristics, non-compact<br />

and and also when it is necessary to cover long distances which would be out of reach for a<br />

high frequency ultrasonic system includes:<br />

• Hammer with integrated trigger • Receiver probe • Software Win-Sonice<br />

› I.T. TEST - ECHOMETRIC TEST ON FOUNDATION PILES<br />

Complete kit for non-destructive tests, assessing the structural integrity of deep foundations<br />

and infrastructural works by applying the Echometric Test (IT) inspection method. Includes:<br />

• Hammer • Seismic receiver 4,5 Hz • Software Echo-Win<br />

› CROSS-HOLE 2/3 CHANNELS<br />

Complete kit for Cross-hole Test on foundations piles with manual modality of investigation<br />

Includes:<br />

• 2/3 channels encoder in aluminum transport case<br />

• Encoder aluminum tripod in soft case<br />

• 2/3 Cross-Hole ultrasonic probes with 60 mt cable and cable spool<br />

› SONIC LOGGING MOTORIZED PROBE<br />

Sonda combinata TX/RX con bobina motorizzata per indagini Cross-Hole su pali di fondazione strumentati<br />

con unico tubo di sondaggio.<br />

› PROBE FOR SONIC LOGGING (CROSS-HOLE)<br />

Resonant frequency: 40 KHz<br />

Safety seal attachment<br />

Watertight: 150 m<br />

Stainless steel case<br />

Length: 120 mm - Diameter: 32 mm<br />

› CONTACT TYPE ULTRASONIC PROBE<br />

Contact type ultrasonic transmitter probe for sonic investigation on masonry, frequency of<br />

resonance 21 Khz.<br />

› CONIC ADAPTER FOR CONTACT ULTRASONIC PROBE<br />

Conic adapter for contact ultrasonic probes for investigations on wood.<br />

› SONDA ULTRASUONI 21 KHZ<br />

Sonda ultrasuoni frequenza 21 Khz.


› Ultra Sounds<br />

20<br />

SOFTWARE<br />

› DG-WIN<br />

DGWIN is an application for display and detailed analysis of logs performed<br />

with M.A.E. equipment for CROSS-HOLE surveys on deep foundations.<br />

Description of main functions:<br />

Exports graphic<br />

Enables graphics to be exported in bitmap format<br />

Exports times<br />

Activates the function of exporting arrival times in a text file<br />

Copies graphic<br />

Copies the graphic currently displayed in the Windows notes<br />

Data<br />

Allows modification or integration of additional information saved along<br />

with the log at the time of its creation. The information displayed is<br />

used to make up the print form and is an important addition to the<br />

graphic.<br />

mae-srl.it/go/dgwin<br />

Log<br />

Displays the last log loaded. If the trace is not completely visible you<br />

can scroll it vertically and/or horizontally<br />

Displays individual wave<br />

Displays the detail of the signals comprising the log.


› Mae 21<br />

› WIN-SONIC<br />

The ultrasound survey on contact is a standardized system in the concrete<br />

structure diagnostics sector, making use of a transmitter probe<br />

and a receiver: through an analysis of the compression (P) waves in the<br />

material, the transit time (T.O.F. time of flight) is obtained for the ultrasound<br />

waves in the material, the distance is noted and the transmission<br />

speed is displayed. This method, at high frequencies, is therefore<br />

specifically used for compact materials such as hardened concrete or<br />

small-size structural elements like beams, pillars, etc.<br />

WIN SONIC reporting software allows the display and in-depth analysis<br />

of individual wave forms acquired, with the aim of creating a customized<br />

report of the measurements carried out.<br />

A comparison of several wave forms can also be carried out simultaneously.<br />

The software is suitable for reporting data of surveys carried out with<br />

ultrasounds in contact or sonic tests on masonry.<br />

mae-srl.it/go/win-sonic<br />

› ECHO-WIN<br />

EchoWin is a simple-to-use program, supplied as an accessory to M.A.E.<br />

equipment for echometric measurement.<br />

It enables the display of acquisitions carried out on site and the printing<br />

of customized reports for individual tests.<br />

Main characteristics:<br />

- possibility of editing the resulting curve, through the inclusion or exclusion<br />

of individual reflectograms;<br />

- possibility of refining detection of the main echo through a graphic<br />

cursor;<br />

- modification of the crossing speed and recalculation of the depths<br />

corresponding to the echoes detected;<br />

- addition of operator observations and insertion of further reference<br />

frameworks;<br />

- comparison through multiple windows between tests on structures<br />

with comparable characteristics;<br />

- customization of logo headings on printed reports.<br />

mae-srl.it/go/echo-win


SEISMIC<br />

EXPLORATIONS


24<br />

SEISMIC<br />

EXPLORATIONS<br />

› SEISMIC EXPLORATION OF REFRACTION TYPE<br />

The seismic exploration of refraction<br />

type is among the most diffused and<br />

used active seismic methods. This<br />

type of survey has the purpose to determine<br />

the thickness of the overburdens<br />

(aerated) above a rigid sub-layer<br />

and reconstruct a seismic stratigraphic<br />

sequence in terms of apparent longitudinal<br />

speed. If carried out according<br />

to more sophisticated calculation<br />

methods, it can be used to intercept,<br />

measure and characterize geo-structural<br />

profiles. Seismic exploration of<br />

refraction type is carried out by placing<br />

equidistant geophones in line on<br />

the ground, and generating seismic<br />

pulses through mechanical “inputs”.<br />

Then the travelling times of the pulses<br />

that once penetrated in the ground<br />

are refracted nearby the lithological<br />

passages at different density, will be<br />

measured.<br />

› SEISMIC EXPLORATION OF REFLECTION TYPE<br />

The seismic exploration of reflection<br />

type, which is extensively used in oil<br />

explorations, is also used nowadays<br />

to obtain detailed information on surface<br />

soils. Due to the high resolution<br />

of the survey, it is used to define the<br />

development of geological structures<br />

in the sub-soil, defining the shapes,<br />

sizes and positions. The prospecting<br />

is carried out by placing high frequency<br />

geophones in line and close to each<br />

other, sending seismic pulses through<br />

energy (also at high frequency) and<br />

by measuring the travelling times of<br />

the waves that, once penetrated in<br />

the ground, are reflected by the uneven<br />

surfaces that delimit the lithological<br />

passages with net impedance<br />

contrast.


› Mae 25<br />

› TOMOGRAPHIC SEISMIC EXPLORATION<br />

This survey method is used to identify<br />

physical-geometrical anomalies of the<br />

sub-soil with a definitely higher resolution<br />

compared to the other seismic<br />

exploring methods, giving the opportunity<br />

to create an image of the subsoil<br />

containing all the anomalies, even<br />

the most complex ones, which cannot<br />

be resolved with other methods.<br />

In particular, the tomographic method<br />

allows to reconstruct the geometric<br />

distribution of the elements that<br />

constitute a specific section, starting<br />

from the analysis of the behaviour of<br />

the radiations that cross it.<br />

› DOWN-HOLE SEISMIC EXPLORING<br />

This type of survey is performed for<br />

the mechanical characterisations of<br />

grounds crossed during the probing<br />

phase. The technique consists<br />

in the measurement of the travelling<br />

times of the elastic waves between<br />

the seismic source on the<br />

surface and the geophones located<br />

inside the probing hole, properly conditioned<br />

with PVC pipe or geo-technical<br />

pipe. The seismic exploring activity<br />

in the down-hole takes place by<br />

placing one or more triplets of sensors<br />

(horizontal and vertical) inside<br />

one of the probing holes and at various<br />

depths, aimed at receiving the<br />

seismic signals generated through<br />

ram on anchored plate. Energy will<br />

be supplied in phase inversion in order<br />

to polarise phases S on a horizontal<br />

plane H, according to an orientation<br />

of 180°. Through seismic speeds<br />

Vp and Vs, it is possible to obtain information,<br />

such as elastic modules<br />

and geo-seismic parameters. Vs 30<br />

can be measured on probing holes<br />

up to 30 metres of depth (O.P.C.M<br />

3274/2003).<br />

› CROSS-HOLE SEISMIC EXPLORING<br />

This type of survey is performed<br />

through the physical –dynamic characterisation<br />

of the portion of ground<br />

between the two probing holes. The<br />

technique consists in the measurement<br />

of the travelling times of the elastic<br />

waves between the source located<br />

in a hole and the geophone/s located<br />

in another hole/s at the same depth.<br />

The cross-hole is made by introducing<br />

the borehole in one of the holes<br />

and the tridimensional geophone (or<br />

geophones) in another hole/s aimed at<br />

receiving the seismic signal incoming<br />

from the source at the same level. The<br />

elastic modules and mitigations of the<br />

medium between the holes can be obtained<br />

from this test.


› Seismic Explorations<br />

26<br />

› M.A.S.W. (Multichannel Analysis of Surface Waves)<br />

The MASW (Multichannel Analysis of<br />

Surface Waves) technique has the objective<br />

to identify variation profiles<br />

with the depth of the speeds of volume<br />

waves (Vp and Vs). The method<br />

is based on the known relations between<br />

these speeds and the dispersion<br />

of surface (or Rayleigh) waves<br />

observed when propagating through<br />

a stratified elastic medium. The analysis<br />

can be based on signals produced<br />

with a borehole on site by acquisition<br />

device (with a ram or explosion), or on<br />

the recording of the vibrations produced<br />

by far away sources (rives, industrial<br />

activities, traffic, etc).<br />

In the first case, we are talking about<br />

active MASW, with which it is possible<br />

to explore a few tens of metres of<br />

sub-soil, and in the second case, we<br />

are talking about passive MASW, that<br />

allows to reach greater depths, in particular<br />

conditions.<br />

Passive MA.S.W. is used with the purpose<br />

to obtain a speed profile 1D of<br />

the elastic waves of cut S. The technique<br />

consists in the recording of the<br />

“seismic noise” in temporal windows<br />

and following study of the signal<br />

processed. It is carried out by arranging<br />

a bidimensional geophonic chain<br />

with low resonant frequency in line<br />

or in “array” (circular and irregular geometries)<br />

and measuring the environmental<br />

noise. From the F-K analysis<br />

(frequency-space) of the wave-trains,<br />

it is possible to obtain a dispersion<br />

curve of surface waves that leads<br />

to the calculation of the speed profile<br />

of the shear waves and estimate<br />

of a coverage in relation to the semispace.<br />

› S.A.S.W. (Spectral Analysis of Surface Waves)<br />

The Spectral analysis of Surface Waves<br />

SASW allows to determine the speed<br />

profile of the shear waves of a particular<br />

ground. The method is based on<br />

the use of the dispersive properties<br />

of surface waves (Rayleigh) generated<br />

by a surface impulsive input. The<br />

depths explored vary from a few centimetres<br />

(road floors) to a few tens of<br />

metres. SASW is carried out by placing<br />

2 geophones in line, in the ground,<br />

with oscillation frequency from 14<br />

to 1 Hz, and registering the seismograms.<br />

The speeds profile of waves Vs<br />

is obtained from studying the phase<br />

speeds of Rayleigh waves. The data<br />

elaboration consists in determining<br />

the Coherence function, the Cross<br />

Power Spectrum phase and the construction<br />

of the dispersion curves<br />

of the Speed during the experimental<br />

phase in depth. In conclusion, the<br />

propagation phenomenon of the surface<br />

waves is simulated with the purpose<br />

to identify the rigidity profile<br />

reproduced by the experimental dispersion<br />

curve.


› Mae 27<br />

› PASSIVE SEISMIC – EXPLORATION FOR THE EVALUATION OF THE<br />

LOCAL SEISMIC RESPONSE – MICRO EARTHQUAKES<br />

This technique is used to obtain information<br />

concerning possible dynamic from the convolution of the frequen-<br />

the study of the spectrums obtained<br />

amplification effects of seismic waves cy of the signal recorded in the domain<br />

for the three components of the<br />

in “ emersion ”. It is based on the recording<br />

of the background noise in ground motion and the application<br />

the time domain and following elaboration<br />

of the signal’s frequencies in (H/V), allows to define and measure<br />

of techniques on spectrum analysis<br />

the domain. It is carried out by placing<br />

a tridimensional geophone on the and the seismic frequency of the<br />

possible local seismic amplifications<br />

ground with low frequency response site. The measurements of the microearthquake<br />

can also be taken in linear<br />

and by recording the seismic noise in<br />

different temporal windows. Later on, “arrays” for the localization of faults.<br />

› NAKAMURA METHOD<br />

A significant part of the damages observed<br />

in destructive earthquakes all<br />

over the world is associated with the<br />

amplification of seismic waves due to<br />

the effects of the local site. The analysis<br />

of the site response is therefore essential<br />

in the evaluation of the seismic<br />

risk in areas subject to earthquakes.<br />

In order to evaluate the effects of the<br />

local site, a series of surveys must be<br />

carried out. Among the empiric methods,<br />

the method of spectrum analyses<br />

H/V on environmental vibrations is<br />

one of the most common. The method,<br />

also called “Nakamura” technique<br />

(Nakamura, 1989), was introduced by<br />

Nogoshi and Igarashi (1971) based on<br />

the initial studies of Kanai and Tanaka<br />

(1961). Since then, many researchers<br />

worldwide performed a large number<br />

of applications.<br />

An important requirement to carry out<br />

the H/ V method consists in a fairly good<br />

knowledge of seismology combined<br />

with basic information on local geological<br />

conditions supported by geo-physical<br />

and geo-technical data. The method<br />

is generally applied in micro-zoning<br />

studies and in the analysis of the local<br />

response of specific sites.<br />

› SEISMIC MONITORING<br />

Seismic monitoring is carried out in areas<br />

subject to risks related to a seismogenic<br />

activity, by acquiring the<br />

seisms with time and recording the<br />

seismograms. Seismic stations are<br />

used able to record in threshold or<br />

continuous type, and low frequency<br />

geophones or seismic accelerometers.<br />

The recording in the long period,<br />

of the earthquakes relative to a<br />

site or fairly large area allows to configure<br />

the seismic scenario of an area<br />

and evaluate the risk and vulnerability<br />

conditions. If the monitoring activity<br />

is supported by specific knowledge<br />

of geological and geo-technical<br />

type, we are talking about seismic Micro-zoning.


› Seismic Explorations<br />

28<br />

SUPPORTED<br />

INVESTIGATION<br />

VIBRALOG<br />

A6000S<br />

SYSMATRACK<br />

Seismic refraction investigation • •<br />

Seismic riflession investigation • •<br />

Seismic tomography<br />

•<br />

Down-hole / Cross-hole • •<br />

M.A.S.W. / S.A.S.W. / Re.Mi. • •<br />

Passive seismic acquisition • •<br />

Seismic vibration monitoring • •<br />

Nakamura method • •


› Mae 29<br />

VIBRALOG<br />

SUPPORTED INVESTIGATION<br />

Passive seismic acquisition<br />

Seismic vibration monitoring<br />

Nakamura method<br />

mae-srl.it/go/vibralog<br />

24 bit seismograph for passive seismic<br />

activity, particularly indicated<br />

for recording micro-earthquakes or<br />

seismic vibrations. The data acquisition<br />

methods (timed or with trigger<br />

threshold) are set through the software<br />

easily and quickly. Equipped<br />

with graphic display, keyboard, memory<br />

support of Secure Digital (S.D.)<br />

type and internal battery, seismograph<br />

VIBRALOG is particularly easy<br />

to use also in less favourable environments<br />

and conditions.<br />

Thanks to the MAE data acquisition<br />

and conversion card, based on one<br />

single A/D signal converter for each<br />

inlet channel (SST technology), it allows<br />

to obtain the best possible resolution<br />

when acquiring the data for<br />

each single inlet channel and it allows<br />

to record and graphically visualize<br />

up to 4 channels coming from<br />

seismic sensors (with single component<br />

or tridimensional).<br />

Thanks to its dynamic characteristics,<br />

the instrument is particularly<br />

suitable to determine the resonance<br />

frequency of the site, through<br />

the H/V ratio method and to acquire<br />

transitional events (caused by natural<br />

seismicity or human activities)<br />

with the purpose to calculate the<br />

maximum speeds of the stresses suffered<br />

by a structure.<br />

SPECIFICATIONS<br />

• Converters: 24 bit resolution, sigma- delta<br />

technology<br />

• Dynamic range: 144 dB (theoretical)<br />

• Maximum distortion: +/-0.0010%<br />

• Band width: 2Hz-30KHz<br />

• Common mode rejection: 110dB at 60Hz<br />

• Diaphony: -120dB at 20Hz<br />

• Noise threshold of the programmable amplifier:<br />

27nV<br />

• Maximum range of inlet signal: +/-5V<br />

• Inlet impedance at 1000 samples/second:<br />

20MΩ<br />

• Amplification levels: 0dB, 6dB, 12dB, 18dB,<br />

24dB, 30dB, 36dB that can be set singularly<br />

for each channel<br />

• Anti-alias filter: -3dB, 80% of Nyquist frequency,<br />

-80dB<br />

• Pre-trigger time: from 1% to 50% of the event<br />

duration<br />

• Sampling frequencies 100, 500, 1000, 2000<br />

samples per second; 250c/s in continuous recording<br />

• Sampling intervals: 0.5, 1.0, 2.0, 4.0, 10.0 ms<br />

• Length of the event recorded: from 512 to<br />

21504 samples (215sec. at 100c/s or 10.7sec.<br />

at 2000c/s). Depending on SD capacity in continuous<br />

recording<br />

• Delay: not available<br />

• Channels: 3 + 1 optional. Possibility to use<br />

from 1 to the maximum number of channels<br />

installed for each acquisition<br />

• Test on instruments: only in the laboratory.<br />

Internal self-calibration of the converters prior<br />

to each acquisition<br />

• Digital filters: selected automatically based<br />

on the sampling frequency<br />

• Data storage: on removable SD memory, up<br />

to 2 GB<br />

• Trigger: 10 threshold levels for each channel<br />

(minimum 8mV – max. 5V). Up to 3 coincidence<br />

combinations between channels<br />

• Data format: SEG-2 standard (32-bit long integer),<br />

BIN convertible in ASCII<br />

• Power supply: 12V DC. Internal batteries of<br />

2.5Ah. Average absorption: 150mA.<br />

• Environmental conditions: -20/80°C<br />

• Display: mono-chromatic graphic LCD 320 x<br />

240 pixel<br />

• Keyboard: 6 charge-transfer buttons<br />

• Sizes: 23.8 x 6.7 x 14.1 cm<br />

• Weight: 1.4 Kg (cables and sensors excluded)


› Seismic Explorations<br />

30<br />

A6000S<br />

SUPPORTED INVESTIGATION<br />

Seismic refraction investigation<br />

Seismic riflession investigation<br />

Seismic tomography<br />

Down-hole / Cross-hole<br />

M.A.S.W. / S.A.S.W. / Re.Mi.<br />

Passive seismic acquisition<br />

Seismic vibration monitoring<br />

Nakamura method<br />

SPECIFICATIONS<br />

• Converters: 24 bit resolution, sigma-delta<br />

technology<br />

Dynamic range: 144 dB (theoretical)<br />

•<br />

Maximum distortion: +/-0.0010%<br />

•<br />

Band width: 2Hz-30KHz<br />

•<br />

Common mode rejection: 110 dB at 60 Hz<br />

•<br />

Diaphony: -120dB at 20 Hz<br />

•<br />

Noise threshold of the programmable am-<br />

•<br />

plifier 27nV<br />

• Trigger precision: 1/30 of the sampling time<br />

• Maximum range of inlet signal: +/-5V<br />

• Inlet impedance at 1000 samples/second:<br />

20Mohm<br />

• Amplification levels: 0 dB, 6 dB, 12 dB, 18 dB,<br />

24 dB, 30 dB, 36 dB that can be set singularly<br />

for each channel or for groups of channels<br />

that can be organized freely<br />

• Anti-alias filter: -3dB, 80% of Nyquist frequency,<br />

-80dB<br />

• Pre-trigger time: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,<br />

12, 13, 14, 15, 16, 17, 18, 19, 20, 50, 100, 200,<br />

300, 400, 500ms<br />

• Sampling intervals: 1/30, 1/15, 1/7.5, 1/3.75,<br />

0.5, 1.0, 2.0, 10.0, 20.0 ms<br />

• Number of samples per event: set from 1024<br />

to 43520 with increases of 512<br />

• Interfaces available: LAN, USB, VGA<br />

• Channels: configurations of 12, 24 or 36<br />

channels. Possibility to use from 1 to the<br />

maximum number of channels installed for<br />

each acquisition<br />

• Test on instruments: only in the laboratory<br />

• Internal self-calibration of the converters<br />

prior to each acquisition<br />

• Digital filters: selected automatically based<br />

on the sampling frequency<br />

• Geophone tests: automatic check to identify<br />

interruptions of cables or broken geophones<br />

or in short circuit. Real time visualization of<br />

the signals coming from the geophones<br />

• Data storage: inside an internal FLASH memory<br />

(up to 3GB available) and/or on removable<br />

pen-drive USB<br />

Trigger: positive, negative (optional with<br />

•<br />

contact lock) with threshold regulated<br />

through a software<br />

• Data format: SEG-2 standard (32-bit long integer)<br />

or ASCII<br />

• Power supply: 12V DC, supplied by a specific<br />

re-chargeable power box. Average absorption:<br />

1.5A<br />

• Display: LCD 10.4” with touch-screen, optical<br />

bonding<br />

• Sizes and weight: 40.4x17.4x33 cm, 5 Kg (cables<br />

and sensors excluded)<br />

• Environmental conditions: -20/80°C<br />

• Operative System: Windows Embedded<br />

Standard 2009<br />

• Display optical bounding


› Mae 31<br />

MAE A6000S 24-bit seismograph for<br />

seismic prospecting stands out for its<br />

data acquisition platform of last generation<br />

combined to the user-friendly<br />

operative system structured in menus<br />

that can be browsed, with different<br />

functions according to the type<br />

of seismic probing selected by simply<br />

touching the colour, touch-screen<br />

monitor of large sizes.<br />

The main characteristic of this series<br />

of seismographs is the 24-bit<br />

resolution for each single channel.<br />

This result is achieved thanks to the<br />

adoption of a new, 24 bit, MAE data<br />

acquisition card that uses an A/D digital<br />

converter for each inlet channel<br />

of the seismograph (SST technology).<br />

The adoption of this architecture<br />

renders A6000S ideal for all types of<br />

active and passive seismic prospecting,<br />

and for structural surveys and inspections<br />

on buildings and infrastructural<br />

works (acquisition of vibrations<br />

with accelerometers or low frequency<br />

seismic sensors, tomographic surveys,<br />

etc).<br />

Thanks to the great versatility and<br />

numerous automatic, pre-acquisition<br />

checking procedures, from the proper<br />

connection of the geophones to the<br />

analysis of the noise relative to the<br />

site inspected, the data acquisition<br />

is always particularly easy to handle<br />

by anybody. It is also possible to carry<br />

out a first analysis of the data acquired,<br />

also for single wave, directly<br />

on site, visualizing the seismograms<br />

in details, with just a few simple operations.<br />

The data is saved on an internal,<br />

solid state hard disk, for better<br />

protection in case of collisions, or<br />

on an external USB memory.<br />

mae-srl.it/go/A6000S


› Seismic Explorations<br />

32<br />

SYSMATRACK<br />

SUPPORTED INVESTIGATION<br />

Seismic refraction investigation<br />

Seismic riflession investigation<br />

Down-hole / Cross-hole<br />

M.A.S.W. / S.A.S.W. / Re.Mi.<br />

24 bit seismograph for seismic prospecting<br />

with refraction, reflection survey,<br />

active and passive MASW (Re.Mi.),<br />

SASW, Down-hole, Cross-hole methods.<br />

The unit is equipped with acquisition<br />

card with 24 bit resolution and<br />

is available in the 12-channel version<br />

that can be extended to 24. Two 24-<br />

pole connectors for the seismic cables<br />

of 12 channels each, the connector for<br />

the starter, the external 12 V supply<br />

and the USB interface to connect the<br />

notebook or PC for the management<br />

of the instrumentation (not supplied)<br />

are located on the front panel. All parameters<br />

relative to the type of seismic<br />

survey that is carried out easily<br />

and quickly, are set up through the<br />

Sysmatrack Manager software, that<br />

can be installed on any PC or notebook<br />

connected to the acquisition unit.<br />

SPECIFICATIONS<br />

• Converters: 24 bit resolution, sigma- delta<br />

technology<br />

• Dynamic range: 144 dB (theoretical)<br />

• Maximum distortion: +/-0.0010%<br />

• Band width: 2Hz-30KHz<br />

• Common mode rejection:<br />

• Diaphony: -120dB at 20 Hz<br />

• Noise threshold of the programmable amplifier<br />

27nV<br />

• Trigger precision: 1/30 of the sampling time<br />

• Maximum range of inlet signal: +/-5V<br />

• Inlet impedance at 1000 samples/second:<br />

20Mohm<br />

• Amplification levels: 0 dB, 6 dB, 12 dB, 18 dB,<br />

24 dB, 30 dB, 36 dB that can be set singularly<br />

for each channel or for groups of channels<br />

that can be organized freely<br />

• Anti-alias filter: -3dB, 80% of Nyquist frequency,<br />

-80dB<br />

• Pre-trigger time: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,<br />

12, 13, 14, 15, 16, 17, 18, 19, 20, 50, 100, 200,<br />

300, 400, 500ms<br />

• Sampling intervals: 1/15, 1/7.5, 1/3.75, 0.5,<br />

1.0, 2.0, 10.0, 20.0 ms<br />

• Number of samples per event: set from 1024<br />

to 43520 with increases of 512<br />

• Delay: not available<br />

• Interfaces available: USB (it requires a control<br />

PC)<br />

• Channels: configurations of 12, 24 channels.<br />

Possibility to use from 1 to the maximum<br />

number of channels installed for each<br />

acquisition<br />

• Test on instruments: only in the laboratory<br />

• Internal self-calibration of the converters<br />

prior to each acquisition<br />

• Digital filters: selected automatically based<br />

on the sampling frequency<br />

• Geophone tests: automatic check to identify<br />

interruptions of cables or broken geophones<br />

or in short circuit. Real time visualization of<br />

the signals coming from the geophones<br />

• Data storage: in the mass memories of the<br />

control PC<br />

• Trigger: positive, negative (optional with<br />

contact lock) with threshold regulated<br />

through a software<br />

• Data format: SEG-2 standard (32-bit long integer)<br />

or ASCII<br />

• Power supply: 12V DC, supplied by a specific<br />

re-chargeable power box. Average absorption:<br />

250mA<br />

• Environmental conditions: -20/80 °C<br />

• Compatible Operative Systems: Windows XP,<br />

Windows Vista, Windows7 of 32bit<br />

mae-srl.it/go/sysmatrack


› Mae 33<br />

ACCESSORIES<br />

VIBRALOG<br />

A6000S<br />

SYSMATRACK<br />

24-BIT Seismic tomography KIT<br />

•<br />

S3 3D down-hole sensor • • •<br />

S5 5D down-hole sensor • •<br />

S3S 3D 4.5 Hz surface sensor • • •<br />

S3S2 3D 2 Hz surface sensor • • •<br />

S3SA 3D accelerometric surface sensor • •<br />

SSA Accelerometer • •<br />

Seismic Cable 12 socket • •<br />

Geophones 4,5/10/14 HZ • •<br />

Piezoelcetric seismic sensor • •<br />

ESP2 seismic source • •<br />

USB Printer • •<br />

SOFTWARE<br />

PS-LAB<br />

Seismic refraction data elaboration<br />

Down-hole / Cross-hole data elaboration<br />

•<br />


SEISMIC<br />

MONITORING


› Seismic Monitoring<br />

36<br />

SUPPORTED<br />

INVESTIGATION<br />

VIBRAMONITOR<br />

A500SP<br />

SETA SYSTEM<br />

SYSMALOG<br />

Passive seismic acquisition • • •<br />

Seismological studies • •<br />

Seismic vibration monitoring • •<br />

Nakamura method<br />

•<br />

Territorial seismic monitoring • •


› Mae 37<br />

VIBRAMONITOR<br />

SUPPORTED INVESTIGATION<br />

Passive seismic acquisition<br />

Seismic vibration monitoring<br />

24 bit seismograph studied specifically<br />

for monitoring explosions in mines<br />

or quarries, particularly indicated for<br />

recording seismic vibrations.<br />

The data acquisition methods (timed<br />

or with trigger threshold) are set<br />

through the software easily and quickly.<br />

Equipped with graphic display, keyboard,<br />

memory support of Secure Digital<br />

(S.D.) type and internal battery,<br />

seismograph VIBRAMONITOR is particularly<br />

easy to use also in less favourable<br />

environments and conditions.<br />

mae-srl.it/go/vibramonitor<br />

Thanks to the MAE data acquisition<br />

and conversion card, based on one<br />

single A/D signal converter for each<br />

inlet channel (SST technology), it allows<br />

to obtain the best possible resolution<br />

when acquiring the data for<br />

each single inlet channel and it allows<br />

to record and graphically visualize up<br />

to 4 channels, 3 of which coming from<br />

seismic sensors (with single component<br />

or tridimensional), and the remaining<br />

ones from the sound impact<br />

detector.<br />

SPECIFICATIONS<br />

• Converters: 24 bit resolution, sigma- delta<br />

technology<br />

• Dynamic range: 144 dB (theoretical)<br />

• Maximum distortion: +/-0.0010%<br />

• Band width: 2Hz-30KHz<br />

• Common mode rejection: 110dB at 60Hz<br />

• Diaphony: -120dB at 20Hz<br />

• Noise threshold of the programmable amplifier<br />

27nV<br />

• Maximum range of inlet signal: +/-5V<br />

• Inlet impedance at 1000 samples/second:<br />

20MΩ<br />

• Amplification levels: 0dB, 6dB, 12dB, 18dB,<br />

24dB, 30dB, 36dB that can be set singularly<br />

for each channel<br />

• Anti-alias filter: -3dB, 80% of Nyquist frequency,<br />

-80dB<br />

• Pre-trigger time: from 1% to 50% of the event<br />

duration<br />

• Sampling frequencies 100, 500, 1000, 2000<br />

samples per second; 250c/s in continuous recording<br />

• Sampling intervals: 0.5, 1.0, 2.0, 4.0, 10.0 ms<br />

• Length of the event recorded: from 512 to<br />

21504 samples (215sec. at 100c/s or 10.7sec.<br />

at 2000c/s). Depending on SD capacity in continuous<br />

recording<br />

• Delay: not available<br />

• Channels: 3 seismic + 1 acoustic. Possibility to<br />

use from 1 to the maximum number of channels<br />

installed for each acquisition<br />

• Dynamic range of microphone: 106-142dB<br />

• Test on instruments: only in the laboratory.<br />

Internal self-calibration of the converters prior<br />

to each acquisition<br />

• Digital filters: selected automatically based<br />

on the sampling frequency<br />

• Data storage: on removable SD memory, up<br />

to 2 GB<br />

• Trigger: 10 threshold levels for each channel<br />

(minimum 8mV – max. 5V). Up to 3 coincidence<br />

combinations between channels<br />

• Data format: SEG-2 standard (32-bit long integer),<br />

BIN convertible in ASCII<br />

• Power supply: 12V DC. Internal batteries of<br />

2.5Ah. Average absorption: 150mA. Envisaged<br />

for external power supply<br />

• Environmental conditions: -20/80°C<br />

• Display: mono-chromatic graphic LCD 320 x<br />

240 pixel<br />

• Keyboard: 6 charge-transfer buttons<br />

• Sizes: 23.8 x 6.7 x 14.1 cm<br />

• Weight: 1.4 Kg (cables and sensors excluded)


› Seismic Monitoring<br />

38<br />

A5000SP<br />

SUPPORTED INVESTIGATION<br />

Passive seismic acquisition<br />

Seismic vibration monitoring<br />

Nakamura method<br />

24-bit seismograph for passive seismic<br />

exploring, particularly suitable<br />

for monitoring seismic vibrations in<br />

buildings and infra-structural works,<br />

for dynamic studies of the structures<br />

or seismic monitoring of ground areas.<br />

A5000SP is an independent station<br />

for the detection and recording<br />

of seismic events in automatic<br />

mode. The data acquisition methods<br />

(timed or with trigger threshold) are<br />

set through the software easily and<br />

quickly. Equipped with graphic display,<br />

keyboard, memory support of<br />

Secure Digital (S.D.) type and internal<br />

battery, A5000SP seismograph<br />

is particularly easy to use also in extreme<br />

environments and conditions.<br />

Using the kit for long-term installations,<br />

with external battery and solar<br />

panel, available upon request, it<br />

is possible to carry out ongoing seismic<br />

monitoring activities in a simple<br />

and quick manner, also in remote areas<br />

without electric power. It is also<br />

possible to equip the instrument<br />

with integrated GSM module to connect<br />

online from a remote station and<br />

download the data contained in the<br />

unit. The management software also<br />

allows to manage calls or alarm messages<br />

triggered from exceeding the<br />

pre-set alarm thresholds. Thanks to<br />

the innovative architecture of MAE<br />

data acquisition card based on the<br />

adoption of a single A/D signal converter<br />

for each inlet channel (SST), it<br />

is possible to achieve a 24-bit resolution<br />

in data acquisition for each single<br />

inlet channel. This way it is possible to<br />

acquire, register and graphically visualize<br />

up to 8 analogue signals coming<br />

from seismic sensors or accelerometers<br />

(with single component or tridimensional).<br />

The high sampling resolution<br />

obtained and the elaboration<br />

with 32-bit arithmetic ensure utmost<br />

measurement stability and accuracy.<br />

SPECIFICATIONS<br />

Converters: 24 bit resolution, sigma- delta<br />

•<br />

technology<br />

Dynamic range: 144 dB (theoretical)<br />

•<br />

Maximum distortion: +/-0.0010%<br />

•<br />

Band width: 2Hz-30KHz<br />

•<br />

Common mode rejection: 110dB at 60Hz<br />

•<br />

Diaphony: -120dB at 20Hz<br />

•<br />

Noise threshold of the programmable ampli-<br />

•<br />

fier 27nV<br />

• Maximum range of inlet signal: +/-5V<br />

• Inlet impedance at 1000 samples/second:<br />

20MΩ<br />

• Amplification levels: 0dB, 6dB, 12dB, 18dB,<br />

24dB, 30dB, 36dB that can be set singularly<br />

for each channel<br />

• Anti-alias filter: -3dB, 80% of Nyquist frequency,<br />

-80dB<br />

• Pre-trigger time: from 1% to 50% of the event<br />

duration<br />

• Sampling frequencies 100, 500, 1000, 2000<br />

samples per second; 250c/s in continuous recording<br />

• Sampling intervals: 0.5, 1.0, 2.0, 4.0, 10.0 ms<br />

• Length of the event recorded: from 512 to<br />

21504 samples (215sec. at 100c/s or 10.7sec.<br />

at 2000c/s). Depending on SD capacity in continuous<br />

recording<br />

• Delay: not available<br />

• Interfaces available: GSM (optional)<br />

• Channels: 8. Possibility to use from 1 to the<br />

maximum number of channels installed for<br />

each acquisition<br />

• Test on instruments: in the laboratory. Internal<br />

self-calibration of the converters prior to<br />

each acquisition<br />

• Digital filters: selected automatically based<br />

on the sampling frequency<br />

• Data storage: on removable SD memory, up<br />

to 2 GB<br />

• Trigger: 10 threshold levels for each channel<br />

(minimum 8mV – max. 5V). Up to 3 coincidence<br />

combinations between channels.<br />

• Data format: SEG-2 standard (32-bit long integer),<br />

BIN convertible in ASCII<br />

• Power supply: 12V DC. Internal battery of<br />

7.2Ah. Average absorption: 200mA. Envisaged<br />

for external power supply or solar panel<br />

• Environmental conditions: -20/80 °C<br />

• Display: mono-chromatic graphic LCD 320 x<br />

240 pixel<br />

• Keyboard: 24 charge-transfer buttons<br />

• Sizes: 28 x 24.6 x 17 cm<br />

• Weight: 3.6 Kg (cables and sensors excluded)<br />

mae-srl.it/go/A5000SP


› Mae 39<br />

SYSMALOG<br />

SUPPORTED INVESTIGATION<br />

Passive seismic acquisition<br />

Seismological studies<br />

Territorial seismic monitoring<br />

Seismic acquisition device of standalone<br />

type, particularly suitable for<br />

seismologic and monitoring studies of<br />

local seismic events.<br />

The unit has been designed to record<br />

and automatically save each seismic<br />

event on internal hard disk, according<br />

to the set methods. It can be completely<br />

managed with PC, through LAN<br />

network interface. The recovery of the<br />

data stored in the unit can take place<br />

through USB connection or through<br />

integrated GSM/GPRS module.<br />

The high technological content and<br />

high level of flexibility of Sysmalog offer<br />

utmost accuracy in acquiring data,<br />

combined to the extreme simplicity<br />

and promptness in configuration operations.<br />

Sysmalog is an acquisition<br />

unit that can be managed remotely,<br />

equipped with high resolution (24 bit)<br />

acquisition card, with specific sampler<br />

for each inlet channel. The particular<br />

architecture of the software allows to<br />

install almost any software onboard<br />

the instrumentation, for specific seismology<br />

and seismic monitoring studies<br />

or studies on the dynamics of the<br />

structures, therefore this device is<br />

particularly suitable for all applications<br />

that require utmost adaptability<br />

of the instrumentation to the specific<br />

needs of the survey that must be<br />

carried out. MAE suggests the use of<br />

SEISLOG software, developed by the<br />

University of Bergen. Bergen, Norway,<br />

http://www.geo.uib.no/seismo/software/software.html<br />

SPECIFICATIONS<br />

• Converters: 24 bit resolution, sigma- delta<br />

technology<br />

• Dynamic range: 128dB<br />

• Maximum distortion: 0.0005%<br />

• Band width: 0-106Hz<br />

• Common mode rejection: 110 dB at 60 Hz<br />

• Diaphony: -120dB at 20 Hz<br />

• Noise threshold of the programmable amplifier<br />

1μV<br />

• Maximum range of inlet signal: +/-2.5V<br />

• Inlet impedance: > 5kΩ<br />

• Anti-alias filter: -3dB, 80% of Nyquist frequency,<br />

-80dB<br />

• Pre-trigger time: set through software<br />

• Sampling intervals: 5 ms<br />

• Duration of the event recording: set through<br />

software<br />

• Interfaces available: LAN, USB, VGA, GSM<br />

(optional)<br />

• Channels: 3 (extendable up to 9)<br />

• Test on instruments: in the laboratory<br />

• Digital filters: fn = 1.76kHz, mitigation ><br />

80dB in fn band +/-14%<br />

• Data storage: on internal HD or pen-drive<br />

USB<br />

• Trigger: based on STA/LTA ratio and coincidence<br />

between channels<br />

• Data format: SeisAn<br />

• Power supply: 12V DC with internal rechargeable<br />

battery of 7.5Ah. Average absorption:<br />

1°. Envisaged for external power<br />

supply<br />

• Sizes and weight: 30x22.5x13.2 cm, 6 Kg<br />

(cables and sensors excluded)<br />

• Environmental conditions: -20/80 °C<br />

• Operative System: Windows XP embedded<br />

mae-srl.it/go/sysmalog


› Seismic Monitoring<br />

40<br />

SETA SYSTEM<br />

SUPPORTED INVESTIGATION<br />

Seismological studies<br />

Territorial seismic monitoring<br />

SPECIFICATIONS<br />

The seismic acquisition system called SETA<br />

SYSTEM has been developed by MAE in jointventure<br />

with partners of high profile, such<br />

as: the National Institute of Oceanography<br />

and Experimental Geo-physics, OGS, located<br />

in Trieste, and the National Institute of Geophysics<br />

Georgiano, IGEM, located in Tbilisi.<br />

The system allows to create architectures<br />

for seismic networks in digital telemetry<br />

with 24-bit resolution, using the two basic<br />

units of the system or the RX-16 receiver,<br />

with 16 inlets for as many transmitting<br />

units TX-3, properly located on the territory<br />

that must be monitored. The S.E.T.A system<br />

has been developed with the purpose<br />

to create a vast territorial network of seismic<br />

monitoring stations, completely independent<br />

in terms of energy and radio communications,<br />

able to monitor the seismic/<br />

micro-seismic activity of the territorial area<br />

where it is located, 24 hours a day. The remote<br />

units are installed in suitable rural containers,<br />

which characteristics are developed<br />

based on the specifications of each system.<br />

These are usually fed by battery packs with<br />

high autonomy, re-charged through solar<br />

panels or other solutions. The digital transmitting<br />

unit TX- 3 AD is equipped with 3 inlet<br />

channels with 24-bit resolution, and allows<br />

to use velocimeters with 1/2 Hz frequencies<br />

or mono and three-axial accelerometers, in<br />

addition to geophones of different frequency.<br />

It is stored inside a sturdy steel container,<br />

it codes and transmits via radio the signals<br />

coming from the seismic sensors to<br />

the Data Collection Station, with which it is<br />

in constant connection, where one or more<br />

RX-16 units have been installed, which receive<br />

and decode the data acquired locally<br />

by the remote units. The data transmitted<br />

by the RX-16 in real time can be then treated<br />

with different types of analysis software<br />

and stored through proper procedures, thus<br />

allowing the creation of an archive of seismic<br />

events of the geographic region object of the<br />

study. The data collected allows to know and<br />

constantly monitor the seismic activity in<br />

the monitored region. The system has been<br />

conceived to work with automatic recording<br />

and signalling modes of the events that occur<br />

on all the remote stations connected to<br />

the system. The data coming from the remote<br />

stations of the network can be viewed<br />

on the terminals of the Data Collection Centre<br />

24 hours a day.<br />

mae-srl.it/go/setasystem


› Mae 41<br />

ACCESSORIES<br />

VIBRAMONITOR<br />

A500SP<br />

SETA SYSTEM<br />

SYSMALOG<br />

Passive seismic acquisition • • • •<br />

Seismological studies • • • •<br />

Seismic vibration monitoring • • • •<br />

Nakamura method • • • •<br />

Territorial seismic monitoring • •


› Seismic Monitoring<br />

42<br />

ACCESSORIES<br />

› ESP - SEISMIC GAS EXPLODER WITH COMBUSTION CHAMBER<br />

The ESP2 Seismic Energizer is a source of seismic energy used to “energize” the soil to<br />

better determine the nature of the soil itself, as well as its stratigraphy, through a seismic<br />

prospection. The system operates by means of two steel cylinders that, once the detonation<br />

is triggered, move one inside the other thereby energizing the underlying soil. This gas<br />

exploder apparatus is extremely simple and safe for the operator to use since the trigger is<br />

operated by remote control. The detonation is ignited thanks to the built-in rechargeable<br />

12V battery. A bayonet clutch allows the cartridge to be replaced quickly and easily.<br />

› SEISMIC TOMOGRAPHY KIT<br />

Seismic tomography on structures is a non-destructive inspection technique which allows to<br />

create images of the investigated structures by measuring the travel-time of induced seismic<br />

waves that cross the investigated material. The seismic tomography kit allows to perform<br />

non-destructive inspections on beams (also wood), walls, stone pillars and masonry<br />

structures presenting a low degree of material aggregation.<br />

Includes:<br />

12 piezoelectric seismic transducers<br />

interface unit to seismograph<br />

trigger hammer<br />

› S3 - HOLE SENSOR 3D/S5 - HOLE SENSOR 5D<br />

- 4.5 Hz frequency geophones<br />

ponents: 45 degrees (S5)<br />

- Vertical component n. 1 (S3)<br />

- 1.5 bar compressed air locking system<br />

- Horizontal component n. 4 (S5)<br />

(pump included)<br />

- Angle of deviation for the horizontal components:<br />

90 degrees (S3)<br />

- Length: 300 mm<br />

- Stainless steel case: 50 mm<br />

- Angle of deviation for the horizontal com-<br />

- 60 m of cable<br />

› MONOAXIAL ACCELEROMETER SSA<br />

- Linear output peak: +/- 3g<br />

- Accuracy: 1,2 V/g, differential 2,4 V/g<br />

- Low noise<br />

- Powered by seismograph<br />

- Operative temperature: -40° + 125°


› Mae 43<br />

› S3S/S3S2/S3SA SURFACE SENSORS<br />

4.5 Hz geophones sensors: 1 vertical component and 2 horizontal components; angle<br />

of deviation of the horizontal components 90°; aluminium case; spirit level and levelling<br />

feet; dimensions: 150x150x150 mm<br />

S3S2 - 3D surface sensors<br />

2 Hz geophones sensors: 1 vertical component and 2 horizontal components; angle of<br />

deviation of the components; angle of deviation of horizontal components 90°; aluminium<br />

case; spirit level and levelling feet; dimensions: 150x150x150 mm<br />

S3SA - 3D accelerometer surface sensors<br />

Accelerometer sensors (sensibility 1.2 V/g, DC frequency 1500Hz, dynamic 120 dB (100<br />

Hz); 1 vertical component and 2 horizontal components; aluminium case; spirit level and<br />

levelling feet; dimensions: 150x150x150 mm<br />

› Additional accessories for the seismic prospection:<br />

- Seismic prospection high strength cable: 12 sockets (2.5/5/10 m spacing)<br />

- Horizontal geophones with their own frequency: 1/2/4.5/10/14 Hz<br />

- Vertical geophones with their own frequency: 1/2/4.5/10/14 Hz<br />

- 3D geophone with their own frequency 1Hz<br />

- Horizontal and vertical type accelerometers<br />

- Piezoelectric transducers for non-invasive seismic prospection<br />

- Array for double sensor hole measurement (3/5 components), pitch 1 m.<br />

- Hammer with built-in starter device<br />

SOFTWARE<br />

mae-srl.it/go/pslab<br />

› PS-LAB<br />

PSLAB allows simple processing of seismic data in SEG2 format relating<br />

to surveys for refraction or with down-hole technique. Through a<br />

guided path, the program enables a detailed report of the survey to<br />

be obtained, accompanied by graphics and tables, starting from the<br />

field data. For surface seismic analysis, identification of the depth of<br />

refractors is based on the generalized reciprocal method (GRM), which<br />

requires a minimum of three energizations along the extent and calculates<br />

the depth below each geophone and the average speeds of<br />

compression waves in the seismic layers. When identification of the first<br />

arrival times has been performed, directly on seismograms with different<br />

graphic aids or with manual entry in a table, the analysis of travel<br />

time graphs is made simple by an intuitive approach that provides for<br />

the times observed to be attributed to the different refractors by means<br />

of a simple mouse-click. For the down-hole technique, there is automatic,<br />

fast loading of all measurement files in a particular folder. Calculation<br />

of Vp and Vs speeds is based on the interval method. The program<br />

calculates the speeds and the corresponding Poisson module for<br />

each layer detected by analysis of the travel time graphs and the Vs30<br />

average for the entire log.


GEO-ELECTRIC<br />

EXPLORATIONS


46<br />

GEO-ELECTRIC<br />

EXPLORATIONS<br />

› S.E.V. (Vertical electric explorations)<br />

This type of survey is carried out<br />

with the purpose to reconstruct an<br />

electro-tomography 1D for a measurement<br />

point. The geo-electric<br />

method consists in the experimental<br />

determination of the resistivity distribution<br />

characterising the electric<br />

structure of a medium. In the SEV<br />

method, the distance between the<br />

electrodes is increased progressively<br />

and the ratio between d.d.p. and<br />

the current intensity is measured<br />

from time to time. The resistivity<br />

values thus obtained are influenced<br />

by the characteristics of the materials<br />

at increasingly greater depths.<br />

In view of this second effect, a geometric<br />

correction must be made and<br />

therefore factors that depend on<br />

distances MN (measurement electrodes)<br />

and AB (input electrodes)<br />

must be introduced in the calculation<br />

of the resistivity. According to<br />

the variations of the electrodes positions<br />

along the geo-electric area,<br />

different quadrupole systems are<br />

identified: Wenner and Schlumberger.<br />

A profile 1D of the ground resistivity<br />

is obtained below one point.


› Mae 47<br />

› S.E.O. (Horizontal electric explorations)<br />

This type of survey is carried out with<br />

the purpose to obtain a resistivity profile<br />

of the ground along a direction and<br />

at a certain depth. Each unhomogeneity<br />

in the medium tested, like bodies with<br />

different electric conduction capacity,<br />

is identified because it deflects the current<br />

lines and distorts the regular distribution<br />

of the electric potential. Furthermore,<br />

by measuring the potential<br />

drop on two random points, it is possible<br />

to determine the electric resistivity<br />

of the medium by multiplying the ratio<br />

between the potential drop and the<br />

current sent by a geometric coefficient<br />

which depends on the position of the<br />

electrodes on the ground. By changing<br />

the position of the electrode device on<br />

the area to test, it is possible to determine<br />

the distribution of the resistivity<br />

in the volume subject to electric current.<br />

Since rocks are resistive materials<br />

by nature, the resistivity variations are<br />

due almost exclusively to the presence<br />

of water in different quantities. The SEO<br />

is carried out by fixing 4 electrodes in<br />

the ground, two of which (the external<br />

ones) are for anchoring purposes<br />

and the other 2 (internal ones) are for<br />

measuring purposes, at a certain distance<br />

from each other. It is possible to<br />

obtain a horizontal profile of the resistivities<br />

of the grounds, which is useful<br />

to identify a vertical passage between<br />

two bodies with different resistivity.<br />

› RESISTIVITY TOMOGRAPHIC GEO-ELECTRIC PROFILE<br />

(Electric tomography)<br />

This type of survey is based on the<br />

calculation of the resistivity from the<br />

d.d.p measurements in the ground. The<br />

method is based on the introduction of<br />

an electric field in the ground through<br />

electrodes (input or current) and the<br />

measurement of the d.d.p. in other<br />

electrodes (of measurement type).<br />

From the d.d.p. value, it will be possible<br />

to find the resistivity value through the<br />

second law of Ohm, which is a typical<br />

characteristics of all materials. Since<br />

rocks are resistive materials by nature,<br />

the resistivity variations are due almost<br />

exclusively to the presence of water in<br />

different quantities. Electric tomography<br />

2D-3D is carried out by fixing electrode<br />

grids in the ground (16, 32, 64,<br />

128….) at constant pitch. All of them<br />

are connected to boxes which allow<br />

commutation among them, defining<br />

which are the measuring and current<br />

electrodes from time to time and automatically.<br />

The system will automatically<br />

perform all possible combinations.<br />

For this purpose, a series of measurements<br />

will be obtained (as many as the<br />

combinations available), based on: the<br />

number of electrodes and type of geometric<br />

configuration used. The tomographic<br />

inversion of the data obtained<br />

on the surface generates a bidimensional<br />

or tridimensional reconstruction<br />

in “output” of the ground, from which it<br />

is possible to identify possible anomalies<br />

due to cavities, water bodies, etc,<br />

and identify shapes, sizes and spatial<br />

distribution.


› Geo-Electric Explorations<br />

48<br />

› INDUCED POLARISATION<br />

The Induced Polarisation (PI) is an<br />

electric phenomenon that occurs inside<br />

of material media in the time domain,<br />

with the release of stresses upon<br />

the interruption of a flow of electric<br />

current of step type (in this case, it is<br />

measured as chargeability) and also in<br />

the frequency domain, with a precise<br />

dispersion law of the electric resistivity<br />

upon the variation of the frequency<br />

of an alternated current flow. A PI<br />

source is connected to the oxido-reductive<br />

processes along the interface<br />

between the metal grains and interstitial<br />

fluids (electrode polarisation). Another<br />

important PI source consists instead<br />

of ionic accumulations in moving<br />

electrolytes due to mobility variations<br />

along the path (electro-kinetic polarisation).<br />

The tomographic inversion of<br />

the data obtained on the surface returns<br />

the ground in “output” based on<br />

chargeability images, thanks to which<br />

it is possible to identify possible accumulation<br />

areas or significant concentrations<br />

of hydrocarbons. The chargeability<br />

is proportional to the charge<br />

stored by the lithotype and it represents<br />

the concentration of a conductor<br />

in the multi-electrode area.<br />

› SPONTANEOUS-POTENTIAL METHOD<br />

The Spontaneous Potential method<br />

(PS) consists in determining on<br />

the surface, the differences of potential<br />

related to a natural electric<br />

field, linked to the underground circulation<br />

of aqueous electrolytic solutions<br />

in porous media. From the analysis<br />

of PS anomalies in the surface, it<br />

is possible to determine the intensity<br />

and position of the concentrations<br />

of ionic charges with both polarities.<br />

The test is carried out by positioning<br />

two electrodes: the first one close to<br />

the measurement station and the other<br />

one is moved on the following stations<br />

of the line; of both electrodes<br />

are moved, by keeping stable the interval<br />

between them, mapping the<br />

ground based on the spontaneous potential.<br />

The use of this method is useful<br />

in the mining field for the search<br />

of sulphides and graphite, but also in<br />

the archaeological field, indeed water<br />

circulations can be affected by underground<br />

archaeological structures,<br />

that could act as drain or as obstacle,<br />

and therefore, with the identification<br />

of PS anomalies, it is possible in general<br />

to find underground archaeological<br />

structures indirectly.


› Mae 49<br />

SUPPORTED<br />

INVESTIGATION<br />

A6000E<br />

A6000SE<br />

Multi-electrode geoelectrical prospections • •<br />

V.E.S. Vertical Electric Survey • •<br />

Measure of self potential • •<br />

Measure of chargeability • •<br />

Induced Polarization • •<br />

Seismic refraction investigation<br />

Seismic riflession investigation<br />

Seismic tomography<br />

Down-hole / Cross-hole<br />

M.A.S.W. / S.A.S.W. / Re.Mi.<br />

Passive seismic acquisition<br />

Seismic vibration monitoring<br />

Nakamura method<br />

•<br />

•<br />

•<br />

•<br />

•<br />

•<br />

•<br />


› Geo-Electric Explorations<br />

50<br />

A6000SE<br />

SUPPORTED INVESTIGATION<br />

Multi-electrode geoelectrical prospections<br />

V.E.S. Vertical Electric Survey<br />

Measure of self potentiaL<br />

Measure of chargeability<br />

Induced Polarization<br />

Seismic refraction investigation<br />

Seismic riflession investigation<br />

Seismic tomography<br />

Down-hole / Cross-hole<br />

M.A.S.W. / S.A.S.W. / Re.Mi.<br />

Passive seismic acquisition<br />

Seismic vibration monitoring<br />

Nakamura method<br />

SPECIFICATIONS<br />

Electric measures:<br />

Outlet current:<br />

• Automatic regulation (4 steps)<br />

• Maximum intensity: 1.2 A at 50V<br />

• Outlet voltages: ±50V, ±100V, ±250V, ±500V<br />

nominal<br />

• Maximum power: 60W<br />

• Input time: set from 100 ms to 30s<br />

• Measurement precision: ±38μA<br />

Potential measurement:<br />

• Auto range (4 steps)<br />

• Maximum full scale: 50V<br />

• Inlet impedance: 1 MΩ<br />

• Network frequency filter: 50 Hz<br />

• Measurement precision: maximum ±38μV<br />

(within range 0-1.25V), minimum ±1.53mV<br />

(within range 5-50V)<br />

• Noise reduction: with average from 2 to 10<br />

measurements<br />

• Automatic zeroing of self-potential<br />

• Accuracy of the resistivity measured: ±1%<br />

• Chargeability measured on four temporal<br />

windows of overall duration of 1.2 seconds<br />

Electrodes managed:<br />

• 256 with external commutating boxes<br />

Data formats:<br />

• TSV, CSV, DAT<br />

Seismic exploration:<br />

• Converters: 24 bit resolution, sigma- delta<br />

technology<br />

• Dynamic range: 144 dB (theoretical)<br />

• Maximum distortion: +/-0.0010%<br />

• Band width: 2Hz-30KHz<br />

• Common mode rejection: 110 dB at 60 Hz<br />

• Diaphony: -120dB at 20Hz<br />

• Noise threshold of the programmable amplifier:<br />

27nV<br />

• Trigger precision: 1/30 of the sampling time<br />

• Maximum range of inlet signal: +/-5V<br />

• Inlet impedance at 1000 samples/second:<br />

20MΩ<br />

• Amplification levels: 0 dB, 6 dB, 12 dB, 18 dB,<br />

24 dB, 30 dB, 36 dB that can be set singularly<br />

for each channel or for groups of channels<br />

that can be organized freely<br />

• Anti-alias filter: -3dB, 80% of Nyquist frequency,<br />

-80dB<br />

• Pre-trigger time: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,<br />

12, 13, 14, 15, 16, 17, 18, 19, 20, 50, 100, 200,


› Mae 51<br />

MAE A6000SE combined instrumentation<br />

represents the most compact and<br />

versatile solution for active and passive<br />

seismic prospecting (24 channels,<br />

24 bit) and geo-electric prospecting,<br />

with quadripole (SEV) techniques or<br />

multi-electrode electric tomography.<br />

The type of seismic or geo-electric<br />

probing to carry out is selected from<br />

the main menu, by simply touching the<br />

colour, touch screen monitor. Once the<br />

data acquisition method has been set<br />

(single measurement or cycle), the<br />

data is automatically acquired by the<br />

device by simply pressing a button.<br />

The main characteristic of the seismograph<br />

section is the 24-bit resolution<br />

for each single channel. This<br />

result is achieved thanks to the adoption<br />

of a new, 24 bit, MAE data acquisition<br />

card that uses an A/D digital converter<br />

for each inlet channel of the<br />

seismograph (SST technology). The<br />

adoption of this architecture renders<br />

A6000SE ideal for all types of active<br />

and passive seismic prospecting, and<br />

for structural surveys and inspections<br />

on buildings and infrastructural works<br />

(acquisition of vibrations with accelerometers<br />

or low frequency seismic sensors,<br />

tomographic surveys). It is also<br />

possible to carry out a first analysis<br />

of the seismograms acquired, also for<br />

single wave, directly on site, visualizing<br />

the seismograms in details, with<br />

just a few simple operations.<br />

The georesistivity meter section of<br />

A6000SE is characterised by utmost<br />

resolution and accuracy in the geoelectric<br />

survey and extreme operative<br />

promptness thanks to the use of highly<br />

resistant cables for geo-electric prospecting,<br />

equipped with 16 plugs each,<br />

with intervals of 2; 3; 5 or 10 metres<br />

each. The instrument takes the measurement<br />

or carries out the measurement<br />

cycle set by the user in automatic<br />

mode; once the measurement cycle<br />

is completed, the acquired data can be<br />

immediately processed with the relative<br />

elaboration software.<br />

300, 400, 500ms<br />

• Sampling intervals: 1/30, 1/15, 1/7.5, 1/3.75,<br />

0.5, 1.0, 2.0, 10.0, 20.0 ms<br />

• Number of samples per event: set from 1024<br />

to 43520 with increases of 512<br />

• Channels: configurations of 12, 24 or 36<br />

channels. Possibility to use from 1 to the<br />

maximum number of channels installed for<br />

each acquisition<br />

• Test on instruments: in the laboratory. Internal<br />

self-calibration of the converters prior to<br />

each acquisition<br />

• Digital filters: selected automatically based<br />

on the sampling frequency<br />

• Geophone tests: automatic check to identify<br />

interruptions of cables or broken geophones<br />

or in short circuit. Real time visualization of<br />

the signals coming from the geophones<br />

• Data storage: inside an internal FLASH<br />

memory (up to 3GB available) and/or on removable<br />

pen-drive USB<br />

• Trigger: positive, negative (optional with<br />

contact lock) with threshold regulated<br />

through a software<br />

• Data format: SEG-2 standard (32-bit long<br />

integer) or ASCII<br />

General data:<br />

• Power supply: 12V DC, supplied by a specific<br />

power box with 24Ah batteries<br />

• Average absorption: 2.5A<br />

• Interfaces available: LAN, USB, VGA<br />

• 10.4” LCD display with touch-screen optical<br />

bonding<br />

• Operative System: Windows Embedded<br />

Standard 2009<br />

• Environmental operating conditions:<br />

-20/80 °C<br />

• Sizes and weight: L406 x H174 x P330 mm,<br />

6.5 Kg<br />

mae-srl.it/go/A6000SE


› Geo-Electric Explorations<br />

52<br />

A6000E<br />

SUPPORTED INVESTIGATION<br />

Multi-electrode geoelectrical prospections<br />

V.E.S. Vertical Electric Survey<br />

Measure of self potential<br />

Measure of chargeability<br />

Induced Polarization<br />

SPECIFICATIONS<br />

Outlet current:<br />

• Automatic regulation (4 steps)<br />

• Maximum intensity: 1.2 A at 50V<br />

• Outlet voltages: ±50V, ±100V, ±250V,<br />

±500V nominal<br />

• Maximum power: 60W (600W with<br />

optional external generator)<br />

• Input time: set from 100 ms to 30s<br />

• Measurement precision: ±38μA<br />

Potential measurement:<br />

• Auto range (4 steps)<br />

• Maximum full scale: 50V<br />

• Inlet impedance: 1 M<br />

• Network frequency filter: 50 Hz<br />

• Measurement precision: maximum<br />

±38μV (within range 0-1.25V), minimum<br />

±1.53mV (within range 5-50V)<br />

• Noise reduction: with average from 2<br />

to 10 measurements<br />

• Automatic zeroing of self-potential<br />

• Accuracy of the resistivity measured:<br />

±1%<br />

• Chargeability measured on four temporal<br />

windows of overall duration of<br />

1.2 seconds<br />

General data:<br />

• Electrodes managed: 32 without expansion,<br />

256 with external commutating<br />

boxes<br />

• Power supply: 12V DC, supplied by a<br />

specific power box with 24Ah batteries<br />

• Average absorption: 2A<br />

• Data formats: TSV, CSV, DAT<br />

• Interfaces available: LAN, USB, VGA<br />

• 10.4” LCD display with touch-screen<br />

optical bonding<br />

• Operative System: Windows Embedded<br />

Standard 2009<br />

• Environmental operating conditions:<br />

-20/80 °C<br />

• Sizes and weight: L470 x H229 x P351<br />

mm, 9 Kg


› Mae 53<br />

A6000E is a digital georesistivity meter<br />

for Multi-electrode Electric Tomography<br />

or S.E.V. (Sondaggio Elettrico<br />

Verticale – Vertical Electric Probing).<br />

The instrument integrates all the elements<br />

to carry out vertical geo-electric<br />

and multi-electrode prospecting<br />

with 32 electrodes. It is anyhow possible<br />

to increase the number of electrodes<br />

managed by the device through<br />

the external extension boxes of 16<br />

electrodes each, up to maximum 256<br />

electrodes. The device is characterised<br />

by utmost resolution and accuracy<br />

in the geo-electric survey and extreme<br />

operative promptness thanks<br />

to the use of highly resistant cables<br />

for geo-electric prospecting, equipped<br />

with 16 plugs each, with intervals of 2;<br />

3; 5 or 10 metres each. The instrument<br />

takes measurements or performs the<br />

measurement cycle set by the user in<br />

automatic mode. Once the measurement<br />

cycle is concluded, the acquired<br />

data can be immediately processed<br />

with the relative data elaboration software.<br />

The power supply is guaranteed<br />

by external battery packs managed by<br />

a micro-processor with extensive acquisition<br />

autonomy. The 60 Watt power<br />

of the internal generator can be increased<br />

up to 600 Watt with the use<br />

of an optional external generator. Data<br />

recording and saving take place on an<br />

internal Disk on Module or disk on key<br />

USB (supplied). The unit is fully computerised<br />

and all the operative functions<br />

are selected by simply touching<br />

the relative menu on the 10.4” transflective<br />

colour LCD monitor with integrated<br />

touch screen.<br />

mae-srl.it/go/A6000E


› Geo-Electric Explorations<br />

54<br />

ACCESSORIES<br />

A6000E<br />

A6000SE<br />

B.G.E. External booster • •<br />

BOX-16 • •<br />

VES Investigations KIT • •<br />

Geoelectric cable 16 socket • •<br />

24-BIT Seismic tomography KIT<br />

S3 3D down-hole sensor<br />

S5 5D down-hole sensor<br />

S3S 3D 4.5 Hz surface sensor<br />

S3S2 3D 2 Hz surface sensor<br />

S3SA 3D accelerometric surface sensor<br />

SSA Accelerometer<br />

SEISMIC CABLE 12 socket<br />

Geophones 4,5/10/14 HZ<br />

Piezoelcetric seismic sensor<br />

ESP2 seismic source<br />

•<br />

•<br />

•<br />

•<br />

•<br />

•<br />

•<br />

•<br />

•<br />

•<br />

•<br />

USB Printer • •


› Mae 55<br />

ACCESSORIES<br />

› BGE EXTERNAL POWER SUPPLY GENERATOR<br />

Software-aided by a central processing unit<br />

Multipolar connector for electrodes box<br />

Power supply 230 Volt AC, or 230 group (AC 1200 Watt minimum)<br />

Emergency stop switch<br />

Protection fuses for 230V and A-B output<br />

Tensioning output from 100 to 800 Volt CC (with automatic selection)<br />

Adjustable power output to 2 Ah<br />

Polypropylene copolymers bag<br />

Dimensions: 406x174x330 mm<br />

Weight: 11 Kg<br />

› BOX-16 EXPANSION BOX FOR MULTI-ELECTRODE MEASUREMENT<br />

Microprocessor-controlled 16-channel expansion unit for electric tomography<br />

Input/output BUS communication cable connector<br />

Cable entrance with fixed spacing sockets<br />

Can be connected in series (up to 256 electrodes)<br />

Polypropylene bag<br />

› V.E.S. - MEASUREMENT KIT VERTICAL ELECTRIC SURVEY<br />

N.2 Cable reel, length 500 mt. for A,B electrodes<br />

N.2 Cable reel, length 250 mt. for M,N electrodes<br />

N.1 data elaboration software<br />

N.4 stainless steel electrodes<br />

› Additional accessories for the Geoelectrical Prospection<br />

- Geoelectrical prospection cable A6000E: 16 sockets, 2/3/5/10 m pitch<br />

- Cable reel for S.E.V. dia. 1.5 mm, length 250/500 m<br />

- Non-Invasive geoelectrical prospection template (replaces the electrodes)


MONITORING


58<br />

MONITORING<br />

› NON-DESTRUCTIVE TESTS<br />

The Non Destructive Tests (NDT) consists<br />

in a series of assessments, tests<br />

and surveys carried out with methods<br />

that do not alter the material and do<br />

not require the destruction or removal<br />

of samples from the structure tested,<br />

aimed at finding and identifying structural<br />

defects of the same structure. The<br />

acronym NDT derived from the English<br />

expression Non Destructive Testing, is<br />

often used or acronym P.n.D., derived<br />

from Non Destructive tests (in Italian).<br />

In the industrial sector, each product<br />

of critical importance (beams for construction,<br />

support screws, aeronautical<br />

components, car components, pressure<br />

bodies) must be checked to assess<br />

its integrity and conformity with<br />

applicable laws. The primary objective<br />

of non destructive tests is therefore to<br />

foresee the cracking of materials and<br />

objects, thus covering an essential role<br />

to prevent economic damages due to<br />

possible accidents and also to guarantee<br />

a high level of safety for operators.<br />

Reinforced concrete structures<br />

(masonry), particularly important for<br />

their long-life and unlimited endurableness<br />

to continuous and uncontrollable<br />

changes, excluding disastrous<br />

events (earthquakes, thermal shocks,<br />

landslides, etc), ) in the majority of<br />

the cases showed phenomena of progressive<br />

deterioration during their life.<br />

These defects are linked to the executive<br />

phase of the works, aggressiveness<br />

of building materials (alkalis – silica<br />

reactions), micro-holes produced<br />

by water-thermal variations, sagging<br />

of foundations or grounds, static-dynamic<br />

operating stresses. The non invasive<br />

character of this method applicable<br />

to existing works allows to verify<br />

the physical and mechanical characteristics<br />

of the materials that constitute<br />

the structure.<br />

› MEASUREMENT OF HEAT TRANSMISSION ON SITE<br />

In building technology, the testing of<br />

the insulation capacity of building materials<br />

is an important topic of study. In<br />

addition to laboratory measurements<br />

of the thermal properties of materials,<br />

their behaviours is also studied through<br />

tests on field, in order to obtain information<br />

on the behaviours in different<br />

climates. The total heat flow through a<br />

material consists of a conductive, convective<br />

and radioactive part. In order to<br />

measure the heat transmission, a heat<br />

flow meter and some thermometers<br />

are used, assembled on both sides (interior<br />

and exterior) of a wall. After recording<br />

the flow and temperatures for<br />

a few hours, measured with high precision,<br />

the data is elaborated to obtain<br />

the average heat transmission of<br />

the wall.


› Mae 59<br />

› LOAD TESTS<br />

The load tests have the primary objective<br />

to compare the experimental<br />

arrows obtained during the testing<br />

phase and the theoretical arrows<br />

of the project, in order to evaluate<br />

the deformation profile of the element<br />

tested. The test loads used can<br />

be distributed (bricks, blocks or cement<br />

bags, water tanks) or similar<br />

concentrates (hydraulic jacks). The<br />

tests that use similar concentrated<br />

loads can be of pull or push test type.<br />

The result of the load tests and elastic<br />

behaviour of the structure is represented<br />

through load/shift graphs and<br />

hysteresis curves. The measurement<br />

of the shifts and deformations can be<br />

taken with manual systems, such as<br />

mechanical comparators or deflectometers<br />

or with automatic-electric<br />

systems, such as movement transducers<br />

(resistive, inductive, potenziometric).<br />

The use of these electric systems<br />

allows continuous, stable and<br />

precise readings that can be transmitted<br />

also far away from the relative<br />

testing area. Rapidity of execution, accuracy<br />

and safety make this system<br />

the most diffused one nowadays, in<br />

the test and trial sector.<br />

› MEASUREMENT OF THE HEAT TRANSMISSION IN GROUNDS<br />

The measurement method is based<br />

on the so called unstable sensor technique,<br />

that uses a probe (also called<br />

thermal needle), which mounts a heating<br />

wire and a temperature sensor. The<br />

probe is introduced in the ground. From<br />

its response when subject to a heating<br />

cycle for a few minutes, it is possible<br />

to calculate the thermal resistivity (or<br />

its opposite, the heat transmission).<br />

The principle of the measurement is<br />

based on a peculiar characteristic of<br />

a rectilinear heat course (the heating<br />

wire of the probe): after a short transitional<br />

period, the increase of the temperature<br />

depends only on the heating<br />

power and heat transmission of the<br />

medium. Once the first is known, the<br />

second can be calculated. The main<br />

applications of the technique consists<br />

in the testing of high voltage cables<br />

and heating ducts.


› Monitoring<br />

60<br />

SUPPORTED<br />

INVESTIGATION<br />

DL8<br />

DL8-IP<br />

A5000M<br />

A5000M-IP<br />

MULTILOG<br />

A5000MA<br />

A5000MAW<br />

TERMALOG<br />

A5000T<br />

Structural Monitoring • • • • •<br />

Ambiental Monitoring • • • • •<br />

Load charge test<br />

•<br />

Dynamic • • •<br />

Measure of soil thermal conductivity<br />

•<br />

Measure of conduttance • • •<br />

Crack monitoring • • • • •


› Mae 61<br />

DL-8<br />

SUPPORTED INVESTIGATION<br />

Structural Monitoring<br />

Ambiental Monitoring<br />

Crack monitoring<br />

DL 8 is a compact and affordable data-logger<br />

for structural and environmental<br />

monitoring. The low purchase<br />

and management costs render it ideal<br />

for all monitoring applications which<br />

require flexibility, prompt installation,<br />

and facility to manage the acquired<br />

data, also remotely. The data<br />

acquired by the unit can be indeed<br />

downloaded locally through the USB<br />

interface or remotely through GSM/<br />

GPRS connection (available upon request).<br />

The USB interface allows to<br />

program the parameters and data<br />

acquisition methods of the sensors<br />

connected to the DL-8 unit, through<br />

local connection with a PC or notebook<br />

on which the DL-8 MANAGER<br />

software is installed. DL-8 is ideal in<br />

the structural sector, such as for example<br />

for monitoring holes through<br />

various types of displacement transducers<br />

in buildings and infra-structural<br />

works, and also in the environmental<br />

sector, for monitoring<br />

meteorological parameters (temperature,<br />

humidity) or for the constant<br />

monitoring of levels (reservoirs, basins,<br />

lakes) or capacity measurements<br />

of rivers.<br />

SPECIFICATIONS<br />

Acquisition:<br />

• Resolution: 10 bit<br />

• Number of channels: 8<br />

• Sampling: 0.5Hz<br />

• Maximum range of inlet signal (without<br />

influence): 0-2.5V<br />

• Signals influence: with internal<br />

modules of 4 sensors<br />

Recording:<br />

• Recording intervals: from 2 minutes<br />

to 24 hours<br />

• Measures stored: 770 (circular file)<br />

• Watch: integrated with buffer battery<br />

• Recording support: internal flash<br />

memory<br />

• Data format: TSV<br />

• Measurement type: absolute<br />

• Interfaces: USB, GSM (optional)<br />

General data:<br />

• Measures display: numeric and<br />

graphic (on PC)<br />

• Alarms: with closed contacts and/or<br />

via SMS (only with GSM)<br />

• Alarm thresholds: no. 2 set for each<br />

channel<br />

• Power supply: internal batteries AA<br />

type rechargeable (4.8V – 2.5Ah)<br />

• Typical consumption: 10-30mA (depending<br />

on the sensors connected)<br />

• Average autonomy: 60 days without<br />

GSM option, 30 days with GSM<br />

• Operating temperature: 0-60°C<br />

• Sizes and weight: L190 mm x P110<br />

mm x H60 mm, 0.8Kg<br />

mae-srl.it/go/DL8


› Monitoring<br />

62<br />

DL-8 IP<br />

SUPPORTED INVESTIGATION<br />

Structural Monitoring<br />

Ambiental Monitoring<br />

Crack monitoring<br />

DL-8 IP is a compact and affordable data-logger<br />

for structural and environmental<br />

monitoring, located in a sturdy<br />

container with protection degree IP-66<br />

for outdoor installations, equipped with<br />

solar panel, battery with longer life<br />

and GSM/GPRS module (upon request)<br />

for burdensome applications or prolonged<br />

stays outdoors. The system allows<br />

to program alarms thresholds set<br />

by the user for each channel, that once<br />

reached or exceeded, will automatically<br />

generate a call or an alarm message<br />

via SMS, to one or more numbers input<br />

in the unit when programmed. Two<br />

channels are also available, that can<br />

be used to automatically activate local<br />

alarm systems of visual (light) or sound<br />

type (buzzer) in case the alarm thresholds<br />

pre-set for one or more channels<br />

are exceeded. The low purchase and<br />

management costs render it ideal for<br />

all monitoring applications which require<br />

flexibility, prompt installation,<br />

and facility to manage the acquired<br />

data, also remotely. The data acquired<br />

by the unit can be indeed downloaded<br />

locally through the USB interface or remotely<br />

through GSM/GPRS connection<br />

(available upon request). The USB interface<br />

allows to program the parameters<br />

and data acquisition methods of<br />

the sensors connected to the DL-8 unit,<br />

through the local connection with a PC<br />

or notebook on which the DL-8 MANAG-<br />

ER software is installed. DL-8 is ideal in<br />

the structural sector, such as for example<br />

for monitoring holes through various<br />

types of displacement transducers<br />

in buildings and infra-structural works,<br />

and also in the environmental sector,<br />

for monitoring meteorological parameters<br />

(temperature, humidity) or for the<br />

constant monitoring of levels (reservoirs,<br />

basins, lakes) or capacity measurements<br />

concerning rivers.<br />

SPECIFICATIONS<br />

Acquisition:<br />

• Resolution: 10 bit<br />

• Number of channels: 8<br />

• Sampling: 0.5Hz<br />

• Maximum range of inlet signal (without<br />

influence): 0-2.5V<br />

• Signals influence: with internal<br />

modules of 4 sensors<br />

Recording:<br />

• Recording intervals: from 2 minutes<br />

to 24 hours<br />

• Measures stored: 770 (circular file)<br />

• Watch: integrated with buffer battery<br />

• Recording support: internal flash<br />

memory<br />

• Data format: TSV<br />

• Measurement type: absolute<br />

• Interfaces: USB, GSM (optional)<br />

General data:<br />

• Measures display: numeric and<br />

graphic (on PC)<br />

• Alarms: with closed contacts and/or<br />

via SMS (only with GSM)<br />

• Alarm thresholds: no. 2 set for each<br />

channel<br />

• Power supply: internal batteries AA<br />

type rechargeable (4.8V – 2.5Ah).<br />

Envisaged for external power supply.<br />

• Typical consumption: 10-30mA (depending<br />

on the sensors connected)<br />

• Average autonomy: 60 days without<br />

GSM option, 30 days with GSM<br />

• Operating temperature: 0-60°C<br />

• Sizes and weight: L 420 mm x P310<br />

mm x H160 mm, kg. 7<br />

• Container: IP-65<br />

mae-srl.it/go/DL8-IP


› Mae 63<br />

A5000M-IP<br />

SUPPORTED INVESTIGATION<br />

Structural Monitoring<br />

Ambiental Monitoring<br />

Dynamic<br />

Crack monitoring<br />

A5000M-IP device is a 24-bit data acquisition<br />

unit for structural or environmental<br />

monitoring, located in a container<br />

for outdoor installation, with<br />

protection degree IP-66; this aspect<br />

makes it the ideal solution for all environmental<br />

and structural monitoring<br />

applications where promptness<br />

to start the system, multi-parameters<br />

and promptness in downloading<br />

and elaborating data are required.<br />

A5000M-IP is equipped with graphic<br />

display, charge-transfer keyboard<br />

and removable S.D. memory, to carry<br />

out acquisitions from multiple types<br />

of measurement sensors (movement<br />

transducers, inclinometers, environmental<br />

sensors, water table meters,<br />

etc), with operative methods set by<br />

the user. Indeed, it is possible to use<br />

the instrument to carry out static or<br />

dynamic tests, where the data must be<br />

verified as soon as it is acquired or the<br />

device can be programmed for medium<br />

and long term acquisitions, where<br />

the data can be examined remotely,<br />

through online connection via modem<br />

or GSM network.<br />

The high technological content and<br />

low cost render A5000M-IP acquisition<br />

device, the ideal solution for different<br />

monitoring and data acquisition<br />

applications. The operative methods<br />

are programmed by the user directly<br />

on the instrument through LAN network<br />

interface.<br />

SPECIFICATIONS<br />

Acquisition:<br />

• Resolution: 24 bit<br />

• Maximum distortion: 0.0005%<br />

• Number of channels: 16<br />

• Sampling: 1Hz-500Hz<br />

• Maximum range of inlet signal (without<br />

influence): 0-2.5V<br />

• Signals influence: with internal<br />

modules of 2/4 sensors<br />

Recording:<br />

• Recording intervals: from 10 seconds<br />

to 12 hours<br />

• Watch: integrated with buffer battery<br />

• Recording support: removable SD<br />

memory up to 2 GB<br />

• Data format: TSV, BMP<br />

• Measurement type: relative or absolute<br />

• Interfaces: LAN, GSM (optional)<br />

General data:<br />

• Keyboard: 24 charge-transfer buttons<br />

• Display: mono-chromatic graphic<br />

LCD 320 x 240 pixel<br />

• Measures display: numeric and<br />

graphic<br />

• Power supply: Internal battery (12V<br />

– 7.2Ah). Envisaged for external<br />

power supply<br />

• Typical consumption: 40mA monitor<br />

off - 90mA monitor on<br />

• Container: anti-crash, in copolymers<br />

of polypropylene<br />

• Operating temperature: 0-60°C<br />

• Sizes and weight: L 420 mm x P310<br />

mm x H160 mm, kg. 9<br />

mae-srl.it/go/A5000M-IP


› Monitoring<br />

64<br />

MULTILOG<br />

SUPPORTED INVESTIGATION<br />

Structural Monitoring<br />

Ambiental Monitoring<br />

Dynamic<br />

Crack monitoring<br />

Modular data acquisition system that<br />

can be configured with 16 to 3200<br />

channels, particularly suitable for the<br />

structural or environmental multiparametric<br />

monitoring on vast scale.<br />

The MULTILOG instrumentation consists<br />

of a modular data acquisition<br />

unit of 24-bit resolution for structural<br />

or environmental monitoring, located<br />

inside a container to be installed outdoors,<br />

with protection degree IP-66,<br />

which records and transmits the acquired<br />

data on LAN network, and of<br />

a feeder unit configured according to<br />

the number and type of sensors connected<br />

to the system.<br />

MULTILOG is the ideal solution for all<br />

environmental or structural monitoring<br />

applications, which require extensive<br />

modularity and expansibility,<br />

promptness to enable it and low management<br />

costs of the system, combined<br />

to utmost simplicity in managing<br />

and elaborating the data acquired.<br />

The system allows to easily create architectures<br />

for data acquisition systems<br />

up to 3200 channels.<br />

The high technological content and<br />

the low management cost render<br />

the multi-channel acquisition device<br />

MULTILOG, the ideal solution for different<br />

environmental and structural<br />

monitoring applications and data acquisition,<br />

where as many channels as<br />

possible must be managed. The operative<br />

methods of the system are programmed<br />

by the user through LAN<br />

network.<br />

SPECIFICATIONS<br />

Acquisition:<br />

• Resolution: 24 bit<br />

• Maximum distortion: 0.0005%<br />

• Number of channels: 16<br />

• Sampling: 1Hz-500Hz<br />

• Maximum range of inlet signal (without<br />

influence): 0-2.5V<br />

• Signals influence: with internal<br />

modules of 2/4 sensors<br />

Recording:<br />

• Recording intervals: from 10 seconds<br />

to 12 hours<br />

• Watch: integrated with buffer battery<br />

• Recording support: removable SD<br />

memory up to 2 GB<br />

• Data format: TSV, BMP<br />

• Measurement type: relative or absolute<br />

• Interfaces: LAN<br />

General data:<br />

• Power supply: Envisaged for external<br />

power supply<br />

• Typical consumption: 30mA<br />

• Container: IP-65<br />

• Operating temperature: 0-60°C<br />

• Sizes and weight: L 300 mm x P250<br />

mm x H160 mm, kg. 6<br />

mae-srl.it/go/multilog


› Mae 65<br />

A5000MA<br />

SUPPORTED INVESTIGATION<br />

Measure of conduttance<br />

A5000MA thermo-flow meter for heat<br />

transmission measurements on site<br />

stands out for utmost accuracy in<br />

data acquisition (24-bit resolution)<br />

combined to the great versatility and<br />

simplicity of use. With the use of four<br />

probes to measure contact temperature<br />

and a flow plate, the instrument<br />

measures the on-site transmission<br />

values of the opaque walls of entire<br />

buildings as set forth by recent laws<br />

on energy saving. The data acquisition<br />

device is equipped with graphic display<br />

for the real time visualization of<br />

the trend of the values acquired, keyboard<br />

with charge-transfer technology<br />

and removable S.D. memory for<br />

storing and following elaboration of<br />

the measurements acquired. The recording<br />

methods can be set using the<br />

software in an easy and quick manner,<br />

to carry out surveys with utmost accuracy<br />

and simplicity. A5000MA thermoflow<br />

meter is envisaged to carry out<br />

medium and long-term surveys and<br />

is suitable to measure environmental<br />

parameters on site and in the laboratory.<br />

The data acquired is downloaded<br />

on PC and elaborated with GT LAB<br />

software (supplied) for the direct calculation<br />

of coefficient K (heat transmission)<br />

and of the parameters linked<br />

to thermal insulation of the building<br />

tested, through the progressive average<br />

method. The instrument complies<br />

with ISO 9869 standard.<br />

Fields of use:<br />

Acquisition of environmental parameters<br />

on existing buildings (prior to restructuring<br />

activities) in order to determine<br />

the actual insulation need<br />

which falls within the parameters<br />

set forth by law, and on new buildings<br />

(after restructuring activities) to<br />

evaluate the quality of the work performed.<br />

SPECIFICATIONS<br />

Acquisition:<br />

• Resolution: 24 bit<br />

• Maximum distortion: 0.0005%<br />

• Number of channels: 5 analogue + 2 digital<br />

(optional)<br />

• Maximum sampling: 1Hz<br />

• Maximum range of inlet signal: 0-2.5V<br />

Recording:<br />

• Recording intervals: from 10 seconds to 12<br />

hours<br />

• Watch: integrated with buffer battery<br />

• Recording support: removable SD memory<br />

up to 2 GB<br />

• Data format: TSV, BMP<br />

• Measurement type: relative or absolute<br />

Thermometers:<br />

• Number: 4<br />

• Temperature range: -40 - +110°C<br />

• Precision: ±0.2°C<br />

Thermo-flow plate:<br />

• Sensitivity: 50μV/Wm2 (typical)<br />

• Temperature range: -30 / +70°C<br />

• Diameter: 80mm<br />

• Thickness: 5mm<br />

• Measured flow: bidirectional<br />

General data:<br />

• Keyboard: 24 charge-transfer buttons<br />

• Display: mono-chromatic graphic LCD 320 x<br />

240 pixel<br />

• Measures display: numeric and graphic<br />

• Power supply: batteries AA type rechargeable<br />

and replaceable (12V – 2.5Ah). Envisaged<br />

for external power supply<br />

• Typical consumption: 40mA monitor off -<br />

90mA monitor on<br />

• Container: anti-crash, in copolymers of polypropylene<br />

• Operating temperature: 0/60°C<br />

• Sizes and weight: L. 270 x H. 120 x P. 246<br />

mm, 3 Kg<br />

mae-srl.it/go/A5000MA


› Monitoring<br />

66<br />

A5000M<br />

SUPPORTED INVESTIGATION<br />

Structural Monitoring<br />

Ambiental Monitoring<br />

Load charge test<br />

Dynamic<br />

Crack monitoring<br />

SPECIFICATIONS<br />

Acquisition:<br />

• Resolution: 24 bit<br />

• Maximum distortion: 0.0005%<br />

• Number of channels: 8 – 16 (cable or<br />

wireless)<br />

• Sampling: 1Hz-500Hz<br />

• Maximum range of inlet signal (without<br />

influence): 0-2.5V<br />

• Signals influence: with internal modules<br />

of 2/4 sensors<br />

Recording:<br />

• Recording intervals: from 10 seconds<br />

to 12 hours<br />

• Watch: integrated with buffer battery<br />

• Recording support: removable SD<br />

memory up to 2 GB<br />

• Data format: TSV, BMP<br />

• Measurement type: relative or absolute<br />

• Interfaces: LAN, USB, GSM (optional)<br />

Radio:<br />

• Frequency: 2.4GHz<br />

• Transmission power: 0dBm (14dBm<br />

upon request)<br />

• Receiver’s sensibility: –96dBm<br />

• Protocol: IEEE802.15.4<br />

• Exposed capacity: 300m (1000m with<br />

power 14dBm)<br />

• Capacity in buildings: 40m<br />

WLS-1 modules for connecting<br />

to sensors:<br />

Transmission power: 0dBm (14dBm<br />

•<br />

upon request)<br />

• Converters’ resolution: 24 bit<br />

• Maximum distortion: 0.0005%<br />

• Maximum sampling: 0.5Hz<br />

• Maximum range of inlet signal: 0-2.5V<br />

• Power supply: independent, with batteries<br />

AA type rechargeable and replaceable<br />

(7.2V – 2.5Ah).<br />

Operative autonomy: 15 days<br />


› Mae 67<br />

24-bit data acquisition system for<br />

structural or environmental monitoring,<br />

characterised by extreme<br />

compactness, high technological<br />

content and versatility of use.<br />

A5000M device is an independent data<br />

acquisition unit, equipped with graphic<br />

display, charge-transfer keyboard<br />

and removable S.D. memory, to carry<br />

out acquisitions from multiple types<br />

of measurement sensors (movement<br />

transducers, inclinometers, environmental<br />

sensors, water table meters,<br />

etc), with operative methods set by<br />

the user. Indeed, it is possible to use<br />

the instrument to carry out static or<br />

dynamic tests, where the data must<br />

be verified as soon as it is acquired<br />

or the device can be programmed<br />

for medium and long term acquisitions,<br />

where the data can be examined<br />

remotely, through online connection<br />

via modem or GSM network.<br />

The connection between sensors<br />

and data acquisition unit can be effected<br />

by cables or, alternatively, by<br />

wireless connection without installing<br />

cables on-site, but through miniaturized<br />

radio transmitters (WLS-1),<br />

able to transmit the data coming from<br />

the sensor and transfer it to A5000M<br />

acquisition unit for visualization and<br />

storage on solid state memory. Hybrid<br />

configuration are available (8 channels<br />

on cable + 8 wireless channels).<br />

The high technological content and<br />

low cost render A5000M acquisition<br />

device, the ideal solution for different<br />

monitoring and data acquisition applications.<br />

The operative methods can<br />

be easily programmed by the user directly<br />

on the instrument, without the<br />

need of a PC for configuration. The device<br />

is equipped with output interface<br />

of USB type (LAN interface is available<br />

upon request), to analyse the data<br />

in real time with post-processing software.<br />

Generali:<br />

• Keyboard: 24 charge-transfer buttons<br />

• Display: mono-chromatic graphic LCD<br />

320 x 240 pixel<br />

• Measures display: numeric and graphic<br />

• Power supply: internal batteries AA<br />

type rechargeable and replaceable<br />

(12V – 2.5Ah). Envisaged for external<br />

power supply.<br />

• Typical consumption: 40 mA screen<br />

off - 90 mA screen on<br />

• Container: anti-crash, in copolymers<br />

of polypropylene<br />

• Operating temperature: 0-60°C<br />

• Sizes and weight: L.270 x H.120 x<br />

P.246 mm, 3 Kg<br />

mae-srl.it/go/A5000M


› Monitoring<br />

68<br />

A5000MAW<br />

SUPPORTED INVESTIGATION<br />

Measure of conduttance<br />

A5000MAW thermo-flow meter for heat<br />

transmission measurements on site<br />

stands out for utmost accuracy in data<br />

acquisition (24-bit resolution) combined<br />

to the great versatility and simplicity of<br />

use. Through the use of four probes to<br />

measure contact temperature and a flow<br />

plate connected wirelessly to A5000MAW<br />

central unit (connection through remote,<br />

totally independent data acquisition and<br />

transmission unit), the instrument takes<br />

the measurement of the heat transmission<br />

values on site of the opaque walls of<br />

entire buildings, as requested by recent<br />

laws on energy efficiency. The data acquisition<br />

device is equipped with graphic<br />

display for the real time visualization<br />

of the trend of the data acquired, keyboard<br />

with charge-transfer technology<br />

and removable S.D. memory for storing<br />

and following elaboration of the measurements<br />

acquired. The recording methods<br />

can be set using the software in an<br />

easy and quick manner, to carry out surveys<br />

with utmost accuracy and simplicity.<br />

A5000MAW thermo-flow meter is envisaged<br />

to carry out medium and long-term<br />

surveys and is suitable to measure environmental<br />

parameters on site and in the<br />

laboratory. The unit can also manage up<br />

to two optional couples of remote transmitting<br />

units MW-1; MW-2 so as to record<br />

the heat transmission parameters in 3<br />

different measurement areas of a building,<br />

at the same time. The data acquired<br />

is downloaded on PC and elaborated with<br />

(GT LAB) software for the direct calculation<br />

of coefficient K (heat transmission)<br />

and of the parameters linked to the thermal<br />

insulation of the building, through<br />

the progressive average method. The instrument<br />

complies with ISO 9869 standard.<br />

Fields of use: Acquisition of environmental<br />

parameters on existing buildings (prior<br />

to restructuring activities) in order to determine<br />

the actual insulation need which<br />

falls within the parameters set forth by<br />

law, and on new buildings (after restructuring<br />

activities) to evaluate the quality<br />

of the work performed.<br />

SPECIFICATIONS<br />

Recording:<br />

• Recording intervals: from 10 seconds to 12<br />

hours<br />

• Watch: integrated with buffer battery<br />

• Recording support: removable SD memory<br />

up to 2 GB<br />

• Data format: TSV, BMP<br />

• Measurement type: relative or absolute<br />

Thermometers:<br />

• Total number: 4<br />

• Temperature range: -40 - +110°C,<br />

• Precision: ±0.2°C<br />

Thermo-flow plate:<br />

• Sensitivity: 50μV/Wm2 (typical)<br />

• Temperature range: -30 - +70°C<br />

• Diameter: 80mm<br />

• Thickness: 5mm<br />

• Measured flow: bidirectional<br />

Radio:<br />

• Frequency: 2.4GHz<br />

• Transmission power: 0dBm (14dBm upon<br />

request)<br />

• Receiver’s sensibility: –96dBm<br />

• Protocol: IEEE802.15.4<br />

• Exposed capacity: 300m (1000m with power<br />

14dBm)<br />

• Capacity in buildings: 40m<br />

WLS-1 modules for connecting to sensors:<br />

• Transmission power: 0dBm (14dBm upon<br />

request)<br />

• Converters’ resolution: 24 bit<br />

• Maximum distortion: 0.0005%<br />

• Maximum sampling: 0.5Hz<br />

• Maximum range of inlet signal: 0-2.5V<br />

• Channels: 2 for MW-2, 3 for MW-3<br />

• Power supply: independent, with batteries<br />

AA type rechargeable and replaceable<br />

(7.2V – 2.5Ah)<br />

• Operative autonomy: 10 days<br />

General data:<br />

• Keyboard: 24 charge-transfer buttons<br />

• Display: mono-chromatic graphic LCD 320 x<br />

240 pixel<br />

• Measures display: numeric and graphic<br />

• Instrument’s power supply: batteries AA<br />

type rechargeable and replaceable (12V –<br />

2.5Ah). Envisaged for external power supply<br />

• Typical consumption: 40mA monitor off -<br />

90mA monitor on<br />

• Container: anti-crash, in copolymers of polypropylene<br />

• Operating temperature: 0-60°C<br />

• Sizes and weight: L. 270 x H. 120 x P. 246<br />

mm, 3 Kg<br />

mae-srl.it/go/A5000MAW


› Mae 69<br />

TERMALOG<br />

SUPPORTED INVESTIGATION<br />

Measure of conduttance<br />

Termalog is a compact and affordable thermo-flowmeter<br />

to measure heat transmission<br />

on site. The unit is equipped with USB<br />

interface, which allows to easily program<br />

the measurement set-ups through a PC<br />

or notebook (not supplied) onto which<br />

the relative management software Termalog<br />

Manager is installed, which also allows<br />

to download the data acquired. The<br />

compact sizes, the extensive operative<br />

autonomy, ensured by the integrated, rechargeable<br />

battery pack and the extreme<br />

simplicity of use, render Termalog the ideal<br />

solution to easily and quickly measure<br />

and calculate heat transmission values in<br />

any application.<br />

With the use of four probes to measure<br />

contact temperature and a bidirectional<br />

flow plate, the instrument measures the<br />

on-site heat transmission values of the<br />

opaque walls of entire buildings as set<br />

forth by recent laws on energy saving.<br />

Termalog flowmeter is suitable to measure<br />

environmental parameters on site<br />

and in the laboratory. The data acquired<br />

is downloaded on PC and elaborated with<br />

GT LAB software (supplied) for the direct<br />

calculation of coefficient K (heat transmission)<br />

and of the parameters linked to<br />

thermal insulation, through the progressive<br />

average method.<br />

The instrument complies with ISO 9869<br />

standard.<br />

Fields of use:<br />

Acquisition of environmental parameters<br />

on existing buildings (prior to restructuring<br />

activities) in order to determine the<br />

actual insulation need which falls within<br />

the parameters set forth by law, and on<br />

new buildings (after restructuring activities)<br />

to evaluate the quality of the work<br />

performed.<br />

SPECIFICATIONS<br />

Acquisition:<br />

• Resolution: 10 bit<br />

• Number of channels: 5<br />

• Sampling: 0.5Hz<br />

• Maximum range of inlet signal (without influence):<br />

0-2.5V<br />

• Signals influence: with internal modules<br />

Recording:<br />

• Recording intervals: from 2 minutes to 24<br />

hours<br />

• Measures stored: 770 (circular file)<br />

• Watch: integrated with buffer battery<br />

• Recording support: internal flash memory<br />

• Data format: TSV<br />

• Measurement type: absolute<br />

• Interfaces: USB<br />

Thermometers:<br />

• Number: 4<br />

• Temperature range: -40 - +110°C<br />

• Precision: ±0.2°C<br />

Thermo-flow plate:<br />

• Sensitivity: 50μV/Wm2 (typical)<br />

• Temperature range: -30 - +70°C<br />

• Diameter: 80mm<br />

• Thickness: 5mm<br />

• Measured flow: bidirectional<br />

General data:<br />

• Measures display: numeric and graphic (on<br />

PC)<br />

• Power supply: internal batteries AA type rechargeable<br />

(4.8V – 2.5Ah)<br />

• Typical consumption: 20mA<br />

• Average autonomy: 30 days<br />

• Operating temperature: 0-60°C<br />

• Sizes and weight: L190 mm x P110 mm x<br />

H60 mm, 0.6Kg<br />

mae-srl.it/go/termalog


› Monitoring<br />

70<br />

A5000T<br />

SUPPORTED INVESTIGATION<br />

Measure of soil thermal conductivity<br />

A5000T is a device specifically studied<br />

to measure the heat transmission of<br />

the ground (tendency of the ground to<br />

transmit heat). This type of survey is<br />

usually carried out prior to install the<br />

underground cable ducts, or prior to<br />

build the geo-thermic wells to detect<br />

the heat from the ground, for heating<br />

or conditioning buildings. The measurement<br />

can be taken on site with<br />

the probe supplied, up to a depth of<br />

120 cm, or in case of greater depths,<br />

it is possible to pick up samples of<br />

compact ground (logs) and take the<br />

measurement in the laboratory with<br />

the relative laboratory probe. The acquired<br />

data can be examined directly<br />

on site, at the end of the acquisition<br />

phase regulated automatically by<br />

the device and it is expressed graphically<br />

and numerically in watt / (metres<br />

x kelvin) where: watt = unit of power;<br />

metre = unit of distance; kelvin = unit<br />

of temperature. In operative terms,<br />

a hole is made in the ground using a<br />

common drill (not supplied) and a perforation<br />

point of 20 mm diameter with<br />

prolonged rod (supplied). Then, the<br />

probe is introduced in the hole and<br />

by pressing slightly, the point of the<br />

probe is fixed into the ground by about<br />

20 cm, with the purpose to obtain the<br />

best coupling with the ground. The<br />

data acquisition procedure is initiated<br />

by pressing a button, it is managed<br />

automatically by the instrument, and<br />

lasts a few seconds. The numeric and<br />

graphic data is stored on SD memory<br />

and then elaborated with the relative<br />

GT-LAB software supplied with the instrument.<br />

Heat transmission of some types of<br />

sub-soil<br />

- Dry loose rocks: +/- 1.5 W/m K<br />

- Gravel, sand, water table: 1.8 -<br />

2.4W/m K<br />

- Granite: 3.4W/m K<br />

SPECIFICATIONS<br />

Acquisition:<br />

• Resolution: 24 bit<br />

• Maximum distortion: 0.0005%<br />

• Maximum sampling: 0.3Hz<br />

• Maximum range of inlet signal: 0-2.5V<br />

Measurement:<br />

• Measurement type: compliant with ASTM D<br />

5334 standard<br />

• Measurement time: from 300s to 1020s with<br />

pitch 30s<br />

• Calculated values: thermal λ (heat transmission)<br />

and Rt (resistivity)<br />

• Recording support: removable SD memory<br />

up to 2 GB<br />

• Data format: TSV, BMP<br />

Conductivity probe:<br />

• Specific resistance: 83 Ω/m (typical)<br />

• Length: 350mm (in the laboratory), 1200mm<br />

(on site)<br />

• Heater voltage: 3, 4, 4.5V set by the user<br />

• Precision: ±0.2°C<br />

General data:<br />

• Watch: integrated with buffer battery<br />

• Keyboard: 24 charge-transfer buttons<br />

• Display: mono-chromatic graphic LCD 320 x<br />

240 pixel<br />

• Measures display: numeric and graphic<br />

• Power supply: batteries AA type rechargeable<br />

and replaceable (12V – 2.5Ah).<br />

• Typical consumption: 120mA idle, 350mA<br />

when taking measurements<br />

• Container: anti-crash, in copolymers of polypropylene<br />

• Operating temperature: 0-60°C<br />

• Sizes and weight: L. 270 x H. 120 x P. 246<br />

mm, 3 Kg<br />

mae-srl.it/go/A5000T


› Mae 71<br />

ACCESSORIES<br />

DL8<br />

DL8-IP<br />

A5000M<br />

A5000M-IP<br />

MULTILOG<br />

A5000MA<br />

A5000MAW<br />

TERMALOG<br />

A5000T<br />

IMAX-10 Inclinometer • • • •<br />

SS-14 Seismic alarm sensor • • • •<br />

LSOC Servoinclinometer • • •<br />

KG-05 Strain Gauge • • •<br />

L2900 Load cell • • •<br />

L2822 Load cell • • •<br />

IMF-10 Borehole Inclinometer • • •<br />

TDSC-1 Vibrating wire • • • • •<br />

ISDG LVDT Linear motion trasducer • • •<br />

IEDT LVDT Linear motion trasducer • • •<br />

PT-50 Linear motion trasducer • • • • •<br />

PT-50/T Linear motion trasducer • • • • •<br />

TL-DLB-15 Laser motion trasducer • • •<br />

BRM Barometer • • • • •<br />

TERM4 Termometer • • • • •<br />

TERM5 Termometer • • •<br />

PT-01 Heat flux plate • • •<br />

CTS-120 Soil Thermal conductivity probe<br />

•<br />

CTS-45 Soil Thermal conductivity probe •<br />

GSM • • • • •<br />

SOFTWARE<br />

GM-LAB<br />

MULTIMONITOR<br />

ALARM<br />

MANAGER<br />

GT-LAB<br />

PC-LAB<br />

CT-LAB<br />

GMREADER<br />

DL8 MANAGER<br />

TERMALOG<br />

MANAGER<br />

Structural Monitoring<br />

•<br />

Ambiental Monitoring<br />

•<br />

Load charge test<br />

•<br />

Measure of conduttance test report<br />

•<br />

Data download from sensors net<br />

•<br />

Alarm management<br />

•<br />

LAN data download • •


› Monitoring<br />

72<br />

ACCESSORIES<br />

› IMAX-10<br />

Resistive Inclinometer<br />

Resolution: 0.01 degrees<br />

Mono/biaxial<br />

Magneto resistive sensor<br />

Angle: +-5 /+-10 /+-20/+-30°<br />

Aluminium case<br />

Wall clamps<br />

› PT-50<br />

Linear Displacement Transducer<br />

No contact sensor<br />

Mounting eyelets<br />

Stroke: 50 mm<br />

Accuracy: 1/100 mm<br />

› PT-CRH<br />

Temperature/Humidity Digital Probe<br />

Temperature range: 40/+123 °C<br />

Accuracy: 0.04 °C<br />

Humidity range: 0/100% RH<br />

Accuracy: 0.5% RH<br />

› TERM4<br />

Temperature Sensor<br />

Aluminium case<br />

Range: -40/+110 °C<br />

Aluminium case<br />

Dimensions: 56x60x25 mm<br />

Accuracy: 0.2 °C<br />

Probe calibration using laser technique<br />

Dimensions: 56x60x25 mm<br />

› TERM5<br />

Thermal flux Meter Temperature Probe<br />

Temperature wall probe<br />

Accuracy: 0.2 °C<br />

Probe calibration using laser technique<br />

Dimensions: 35x10 mm


› Mae 73<br />

› PT-01<br />

Thermal Flux Meter Template<br />

Sensitivity: 50µVolt/Wm2<br />

Temperature range: -30/+70 °C<br />

Accuracy: +5/-15%<br />

Diameter: 80 mm<br />

› BRM<br />

Atmospheric pressure sensor(barometer)<br />

-Temperature compensation<br />

- Operative temperature: -20/+70 C°<br />

- Range: 300 mbar (30kPa)/1200 mbar<br />

(120 kPa)<br />

Thickness: 5 mm<br />

Scale: +2000 Wm2 / -2000 Wm2<br />

Two-way thermal flux meter sensor<br />

- Accuracy: 6 Pa<br />

- Dimensions: L56xH60xP25 mm<br />

› CTS-120/CTS-45<br />

Thermal Conductivity Sensor<br />

Needle probe for measure of soil thermal conductivity, lenght: 120 cm.<br />

Needle probe for measure of thermal conductivity on samples, lenght: 45 cm.<br />

› IMF-10<br />

Borehole inclinometer<br />

-Resolution: 0.01 degrees<br />

-Mono/biaxial<br />

-Magneto resistive sensor<br />

-Angle: +-5 /+-10 /+-20/+-30°<br />

-Aluminium case<br />

› PT-50/T<br />

Linear motion position sensor<br />

Ball head, Pre loaded spring type<br />

Stroke: 50 mm<br />

Accuracy: 1/100 mm<br />

› Additional accessories for data acquisition system<br />

- C-LVDT external signal conditioning for LVDT sensors<br />

- LSOC servo inclinometer , accuracy 1/1000 mm, Full Range<br />

out (FRO): ±5 Volts dc<br />

- L2900 load cell, temperature compensation, operative<br />

range: 15° to 72°C<br />

- L2822 dual effect load cell , temperature compensation,<br />

operative range: 15° to 72°C<br />

- KG-05 strain gauges, deformation (traction-compression)<br />

(ε): ± 600.10-6<br />

- TDSC-1 vibrating wire estensimeter, cord lenght: 155 mm,<br />

range: 3000 µ-strain<br />

ISDG Linear motion position LVDT sensor, strokes: 50/100<br />

mm, accuracy: 1/1000 mm<br />

- IEDT Linear motion position LVDT sensor ball head pre<br />

loaded spring type, strokes: 50/100 mm, accuracy: 1/1000<br />

mm<br />

- TL-DLB-15 Linear motion position laser sensor , range:<br />

0.05-500 mt (target)/0.05-65 mt (no target), resolution:<br />

0.1 mm, accuracy: +/- 1.5 mm, visible led color red<br />

- SS-14 seismic alarm sensor , trigger acquisition with noise<br />

monitoring to discriminate meaningful events.


› Monitoring<br />

74<br />

SOFTWARE<br />

› GM-LAB<br />

Software for managing measurements produced by instruments for<br />

monitoring. It facilitates data analysis thanks to the possibility of displaying<br />

graphics from different sensors. Through a simple and intuitive<br />

user interface, it is possible to manage the numerous functions of the<br />

application that allow storage of data from the monitoring concerned<br />

and the making up of test reports, professionally and quickly.<br />

Main functions:<br />

- Printable report of the data read and relative graphics, photos and indication<br />

of place of monitoring<br />

- General information on the site or structure being monitored<br />

- Type, number of sensors used and their location on the structure<br />

- Value of movements detected during the monitoring phase<br />

- Progressive systematic description of cracks through graphic displays<br />

of time diagrams<br />

- Automatic calculation of x and y movement for double measurement<br />

points<br />

The most useful feature of the GM LAB software is its multi-parametricity<br />

- that is, the possibility of managing data from many types of sensors<br />

in order to allow maximum freedom in configuring the sensor systems<br />

necessary for monitoring requirements.<br />

mae-srl.it/go/gmlab


› Mae 75<br />

› GT-LAB<br />

Software for calculating CONDUCTANCE and TRANSMITTANCE.<br />

The GT Lab program enables conductance and transmittance calculations<br />

by importing data measured with a thermal flux-meter.<br />

CONDUCTANCE<br />

The conductance calculation is carried out with the progressive averages<br />

method. By this method, the conductance is obtained not by using<br />

instantaneous values for temperature and thermal flow, but by taking<br />

account of the values calculated on averages obtained from the total<br />

of the readings performed.<br />

TRANSMITTANCE<br />

The transmittance calculation is carried out by selecting the surface<br />

coefficients of heat exchange, which combine the effects of the above<br />

phenomena and are tabulated in UNI 7357/76 Regulations and subsequent<br />

adaptations according to the geometrical situation (e.g. vertical,<br />

horizontal structure, etc.), and in the UNI regulations accompanying<br />

Law 10/91 (e.g. in the UNI 10345 regulations for window elements).<br />

mae-srl.it/go/gtlab<br />

› PC-LAB<br />

Software dedicated to display and storage of data acquired during load<br />

tests on floors or other load-bearing elements carried out with M.A.E.<br />

instrumentation.<br />

The test consists of producing, on a longitudinal line of the floor, one or<br />

more concentrated forces. The forces are calculated so as to produce<br />

the same maximum state of stress laid down in the design for applying<br />

the distributed load.<br />

When receipt of data starts, the software records the measurements on<br />

entry, displays them and creates the graphics in real time.<br />

The load value can be read automatically or entered manually.<br />

The reading of the data may be continuous in real time or at manual intervals<br />

with recording of the data decided on by the user.<br />

Data and Graphics displayed in real time.<br />

Possibility of analysing the graphic for one or more channels simultaneously.<br />

Report creation with tables of measurements read and graphics generated.<br />

Accepts LAN and USB connections.<br />

mae-srl.it/go/pclab


› Monitoring<br />

76<br />

› MULTI MONITOR<br />

Connection platform for data acquisition systems. The software allows the<br />

connection, display (also in real time) and storage of the data acquired by<br />

M.A.E. instrumentation installed locally or remotely, through different interface<br />

modes.<br />

Common characteristics:<br />

- management of filters on the display of data<br />

- instrumentation battery-level reading<br />

- management of alarm thresholds and sending alarms by email or text<br />

message<br />

- saving data received in real time with possibility of dividing archives on a<br />

time basis<br />

- downloading data stored on internal memories.<br />

mae-srl.it/go/multimonitor<br />

The platform allows for connection to the various instruments installed,<br />

by means of:<br />

LAN<br />

software for reading data from M.A.E. instruments connected in LAN<br />

reading of data from several stations in real-time.<br />

The application allows the management of connection by LAN to all remote<br />

units; it is also possible to display the status of sensors connected to the remote<br />

units, even simultaneously.<br />

GSM<br />

Software for connection to M.A.E. instrumentation through GSM<br />

scheduled monitoring on several machines.<br />

Range query modifiable by the user (from 2 minutes to 1 month)<br />

real time on individual machine.<br />

USB<br />

Software for connection to M.A.E. instrumentation by USB<br />

reading in real time on several machines.<br />

› ALARM-MANAGER<br />

Software for managing alarms from monitoring stations. Receives<br />

alarms notifications by text message sent by detection units. Shows<br />

on video the list of alarms received with information such as place of installation<br />

of the station, sensor in alarm and type of alarm found. A log<br />

is also generated with all the alarms that have occurred, with recording<br />

of date, time, station of origin and sensor in alarm.<br />

The software allows programming of alarm thresholds settable by the<br />

user for each channel; when these thresholds are reached or exceeded,<br />

a call or alarm text message is sent automatically to one or more numbers<br />

entered in the station at the time of programming.<br />

mae-srl.it/go/alarmmanager


› Mae 77


ivisitazione logo aziendale \ Canefantasma Studio, febbraio 2010<br />

GEOPHYSICS INSTRUMENTS<br />

ADVANCED GEOPHYSICS INSTRUMENTS<br />

ADVANCED GEOPHYSICS INS<br />

D GEOPHYSICS INSTRUMENTS<br />

ADVANCED GEOPHYSICS INSTRUMENTS<br />

Advanced Geophysics Instruments<br />

D GEOPHYSICS INSTRUMENTS<br />

Molisana Apparecchiature Elettroniche S.r.l.<br />

Certified according to EN ISO 9001 IQ-1003-06<br />

Zona Industriale Fresilia - 86095 Frosolone (IS)<br />

Tel +39 0874890571 - Fax +39 0874899328<br />

www.mae-srl.it<br />

info@mae-srl.it<br />

Sales Dept.: sales@mae-srl.it<br />

Technical Dept.: support@mae-srl.it<br />

ADVANCED GEOPHYSICS INSTRUMENTS<br />

D GEOPHYSICS INSTRUMENTS

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