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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 />
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