Previous
Next
Pneumatic piezometers are usually used to measure pore water pressure in fills or boreholes. It comprises of a pneumatic piezometer, twin tubing with connector fittings and a pneumatic readout. The pneumatic piezometer is typically sealed in the borehole. The twin-tubing transports the gas to and from the piezometer. The portable pneumatic readout comes with an internal supply tank which holds the compressed nitrogen gas which activates the piezometer for reading.