W4 HEAVY DUTY VIBRATING WIRE PIEZOMETER
Ranges kPa 150 | 300 | 500 | 700 | 1000 | 1500 | 2000 | 4000 | 6000 | 10000 | 15000
Material 316 grade Stainless Steel
Accuracy ±0.1% full scale
Linearity ±0.1% full scale
Resolution1 0.025% full scale (minimum)
Over range 200% of full scale
Diaphragm displacement < 0.001 cm3
Diameter 28mm
Weight (without cable) 980g
Temperature range -20 to +80°C
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Applications
> <The W4 Heavy Duty Vibrating Wire Piezometer accurately measures pore water pressures in fully or partially saturated soil. The heavy duty design prevents case stresses from affecting readings in extreme installations (dams and high ground stresses). The transducer is fitted with either a low air entry sintered steel or a high air entry ceramic filter. A cone shaped nose piece is available for push in installations.
The transducer is made from high quality 316 grade Stainless Steel and designed for pressure ranges from -50 to 15,000 kPa.
The Heavy Duty Vibrating Wire Piezometer incorporates an over voltage surge arrestor to offer protection from an indirect lightning strike. The piezometer is also available with a thermistor for temperature monitoring
Ranges kPa 150 | 300 | 500 | 700 | 1000 | 1500 | 2000 | 4000 | 6000 | 10000 | 15000
Material 316 grade Stainless Steel
Accuracy ±0.1% full scale
Linearity ±0.1% full scale
Resolution1 0.025% full scale (minimum)
Over range 200% of full scale
Diaphragm displacement < 0.001 cm3
Diameter 28mm
Weight (without cable) 980g
Temperature range -20 to +80°C
