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› 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

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