Description

To measure pore water pressure in the soil, earth/rock-fill foundations and concrete structures, we have EPP-30V. It is a vibrating wire piezometer that is made of stainless steel and hermetically sealed under a vacuum of 0.001 Torr. These sensors have a built-in thermistor for temperature measurement and a surge arrester for protection from lightning. A glass to metal seal solder pin connector is provided for an easy cable connection. Using the grouting technique these piezometers can be mounted at different levels in a borehole.

Specifications

Range (MPa)0.2, 0.35, 0.5, 0.7, 1.0, 1.5, 2.0, 3.5, 5.0, 10.0, specify
Accuracy± 0.25 % fs standard | ± 0.1 % fs optional
Non linearity± 0.5 % fs
Over range limit150 % fs of range
Temperature limit-20° to 80°C
ThermistorYSI 44005 or equivalent
Dimension (Φ x L)42 x 185 mm

Compare Our Products

Instrument Name

Piezometer - heavy duty

Sensor Type

Vibrating wire

Construction

Heavy duty

Application

Used for embedment in soil, rockfills, concrete for pore pressure monitoring; observation well for water level monitoring

Parameter

Water level/pore pressure

Range (kN)

0.2, 0.35, 0.5, 0.7, 1.0, 1.5, 2.0, 3.5, 5.0, 10.0 MPa; specify

Key Testing / Calibration

Thermal cycling (-20 to +80°C), Pressure cycling (2000 cycles), individually temperature compensated, reverse pressure test, individually calibrated providing high accuracy & repeatability

Key Feature/Advantage

Hermetically sealed with electron beam welding

Protection (Waterproofing)

IP-68, water resistant up to its full range

Dimension (mm)

42 Ø x 185 L

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Push-in Piezometer

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Bourdon Gage

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Electrical Uplift Pressure Sensor

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Casagrande Piezometer

6

Open Standpipe Piezometer

7

Water Level Meter

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