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Water monitors, piezometers & meters

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.
Water monitors, piezometers & meters

Ranges kPa 100 | 200 | 350 | 700 | 2000 | 3500
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) 130g
Temperature range -20 to +80°C
Excitation method 4-20mA loop

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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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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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Ranges kPa 350 | 500 | 700 | 1000
Material Stainless Steel / PVC
Accuracy ±0.5% full scale
Linearity ±0.5% full scale
Resolution1 0.025% full scale (minimum)
Over range 200% of full scale
Diameter 19mm
Weight (without cable) 150g
Temperature range -10 to +60°C

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Range (kPa) Bourdon gauge: -5kPa to 2000kPa 
Accuracy ±1.0% full scale 

Bourdon master gauge panel: 0kPa to 1500kPa
Accuracy ±1.0% full scale ±0.25% full scale

Material Porous Ceramic Porosity HAE 1 Micron or LAE 60 Microns
Hydraulic Tubing Type : Twin Nylon tubes sheathed in Polythene, flat or round in section

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Sensor Range +30 to +1000kPa
Material Brass/PVC
Accuracy ±2.0% full scale
Outside Diameter 38mm
Filter Type HAE Ceramic or  LAE Ceramic
Tubing : Twin nylon 11 tubes, sheathed in LDP (low density polyethylene)

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Porous plastic or ceramic filter tip
Choice of PVC or galvanized steel riser pipe
Drive-in tip available
Used when monitoring piezometric water levels in vertical boreholes
Can measure artesian pressures using a Bourdon Gauge readout

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Vibrating Wire precision water level sensor
Simple in, low cost and robust instrument
Accurate and sensitive water level monitoring
High resolution monitoring
Low maintenance system
Range: 300mm
Resolution*: 0.025% full scale (minimum)
Material: Stainless Steel

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