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Geosense VWP-3000 Vibrating Wire Piezometers

The Geosense VWP-3000 Series of Vibrating Wire Piezometers use the well-proven method of converting fluid pressures on a sensitive diaphragm into a frequency signal. The available models are ideal for a wide range of monitoring conditions.

  • Standard, heavy-duty, slim, low pressure and vented models available
  • Can be used in wet wiring conditions
  • Noise resistant and capable of long transmission distances

Description

Geosense® VWP-3000 Series of Vibrating Wire Piezometers use the well-proven method of converting fluid pressures on a sensitive diaphragm into a frequency signal. Frequency signals are particularly suitable for the demanding environment of civil engineering applications, since the signals are capable of long transmission distances without degradation, tolerant of wet wiring conditions and resistant to external electrical noise.

  • VWP-3000 Standard construction with high & low air entry filters to measure groundwater elevations and pore pressures.
  • VWP-3100 Heavy duty body for direct burial in fills and dam embankments. Available with high & low air entry filters.
  • VWP-3200 Low pressure version to measure groundwater elevations and pore pressures. Available with high & low air entry filters.
  • VWP-3300 A low pressure vented version to compensate for barometric pressure changes. Available with high & low air entry filters.
  • VWP-3400 Heavy duty Drive-in Type 1 featuring inclined ports to minimise smearing affects.
  • VWP-3500 Slim line Drive-in Type 2 featuring large surface area porous filter.

  • Pressure range: 345 to 6895 kPa
  • Over range: 2 x rated pressure
  • Resolution: 0.025% FS
  • Accuracy: ± 0.1% FS
  • Non linearity: <0.5% FS
  • Temperature range: -20 to +80°C
  • Frequency range: 2200 to 3500 Hz

VWP-3000 series piezometers are available in a wide range of different models. Provide the following information for the application:

  • Type
  • Cable length
  • Pressure range

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