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Pore water pressure gauge

Integrated pore pressure automatic monitoring station is adopted
Pore water pressure monitoring is planned to use an integrated pore water pressure automatic monitoring station, combined with deep displacement monitoring, to monitor the pore water pressure of the slope, and the monitoring data can be transmitted to the monitoring and early warning platform through GPRS, CDMA, Beidou satellite SMS and other communication methods .
The signal is received by the data acquisition and telemetry terminal, and transmitted to the data server of the monitoring center through GPRS, CDMA or Beidou satellite SMS, etc., so as to record the pore water pressure data in real time, and realize the monitoring of the pore water pressure through the monitoring software.
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Product Features

Pore water pressure monitoring plans to adopt integrated automatic monitoring station of pore water pressure, combined with deep displacement monitoring implementation, to monitor the pore water pressure of the slope body, and the monitoring data can be passedGPRS, CDMA, Beidou satellite SMS and other communication modes are transmitted to the monitoring and early warning platform. The signal is received by the data acquisition telemetry terminal and transmitted to the data server of the monitoring center through GPRS, CDMA or Beidou satellite SMS, so as to record the pore water pressure data in real time. The pore water pressure is monitored by monitoring software.

Through the embedded in soil pore water pressure in soil monitoring sensor for monitoring the internal factors such as consolidation and deformation of foundation and water infiltration leads to the change of pore water pressure under the action of monitoring, to learn monitoring information on distribution of groundwater in the saturated soil and structure, the landslide disaster monitoring has important reference value.



Instrument composition

Sensor, terminal, data acquisition equipment, lightning protector, data transmitter, support, solar panel, instrument box, battery, cable, other related accessories.


Technical Parameter

The sensor

 

Measuring range

0.05, 0.1, 0.2, 0.35, 1.0, 10MPa (optional)

Accuracy of measurement

Plus or minus 0.25%, plus or minus 0.5% f. S

Long-term stability

0.1% f. S/year

Overload capacity

1.5 X f. S

Pressure type

Gauge pressure (atmospheric reference), absolute pressure, Gauge pressure (seal reference)

Temperature characteristic

Compensation temperature

0 ~ 70 ℃

Working temperature

- 20 ~ 85 ℃

Storage temperature

- 40 ~ 125 ℃

Electrical characteristics

The power supply voltage

DC12 ~ 30 v

Power protection

Protection against reverse connection and over voltage

Output way

Two wire system4 ~ 20mA, 4 ~ 20mA+HART (optional)

Load capacity

(U - 12) / 0.02 (Ω)

The structural characteristics

Measuring the dielectric

Compatible with stainless steel, fluorine rubber

Pressure interface

M20*1.5 external thread, G1/2 external thread, custom /

Shell material

1 cr18ni9ti stainless steel

Diaphragm material

316 l stainless steel

Cable material

PVC and polyurethane are optional

Environmental features

Protection grade

IP65

Explosion-proof grade

Exia Ⅱ C T6

insulation

50 v/m Ω @ 100

vibration

20 g, 20 ~ 5000 hz

impact

20g, 11ms

Product Size

Selection Guide

Application Scheme

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