W9 : STANDARD VIBRATING WIRE PIEZOMETER
Ranges kPa 300 | 500 | 700 | 1000 | 1500 | 2000 | 4000
Material 316 grade Stainless Steel
Accuracy ±0.1% full scale
Linearity ±0.5% full scale
Resolution1 0.025% full scale (minimum)
Over range 200% of full scale
Diaphragm displacement < 0.001 cm3
Diameter 19mm
Weight (without cable) 190g
Temperature range -20 to +80°C
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Applications
> <The Vibrating Wire Piezometer is designed for accurate and long term measurement of pore water pressures in fully or partially saturated soil and rock.
The transducer is made from high quality 316 grade stainless steel and designed to handle pressure ranges from -50 to 4000 kPa. It incorporates an over voltage surge arrestor that offers protection from a lightning strike
The piezometer may be fitted with either a low air entry sintered steel or high air entry ceramic filters. A coned nose piece is available for push in installations. An integral thermistor for temperature monitoring is included.
Piezometers are used in geotechnical, environmental, and hydrological applications. They can be installed in boreholes, placed in fill materials or open wells to measure water levels or pore water pressures to enable engineers to verify design assumptions and control placement of fill.
Ranges kPa 300 | 500 | 700 | 1000 | 1500 | 2000 | 4000
Material 316 grade Stainless Steel
Accuracy ±0.1% full scale
Linearity ±0.5% full scale
Resolution1 0.025% full scale (minimum)
Over range 200% of full scale
Diaphragm displacement < 0.001 cm3
Diameter 19mm
Weight (without cable) 190g
Temperature range -20 to +80°C
