The EPS-30V-S earth pressure cell is used to measure total pressure in the earth fills and embankments. Two stainless steel discs welded around the periphery forms a flexible, circular and flat pressure pad. The pressure pad is connected to an electron beam welded vibrating wire pressure sensor with a 6 mm diameter x 165 mm long stainless tube. The narrow cavity between the pressure pad and the tube is filled with de-aired fluid. Pressure applied by the earth on the capsule is transmitted through the fluid to the vibrating wire pressure sensor, which converts it into an electrical signal.

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Instrument Name

Earth pressure cell

Sensor Type

Vibrating wire

Construction

Suitable for embedment in soil

Application

Monitor total pressure in earth fills and embankments

Parameter

Stress/total pressure

Range (kN)

0.5, 1.0, 2.0, 3.5, 5.0, 10.0 MPa; specify

Key Testing / Calibration

Accuracy test, leakproof test (standard tests of pressure sensor)

Key Feature/Advantage

Hermetically sealed with electron beam welding

Protection (Waterproofing)

IP-68, water resistant up to its full range

Dimension (mm)

200 x 7 mm (dia x thick)

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