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T: 514-354-2511
T: 1 800 463-4363
F: 514-354-6948
Pressure sensor Material Testing

Pressure sensor

Product Code:

Need more Info? (514) 354-2511 - 1-800-463-4363

  • Monitoring water levels in wells and standpipes
  • Monitoring water levels in stilling basins installed in reservoirs and streams
  • Monitoring dam seepage at V-notch weirs


The VW pressure transducer converts water pressure to a frequency signal via a patented* arrangement of diaphragm, a tensioned steel wire, and an electromagnetic coil. The pressure transducer is designed so that a change in pressure on the diaphragm causes a change in tension of the wire. An electromagnetic coil is used to excite the wire, which then vibrates at its natural frequency. The vibration of the wire in the proximity of the coil generates a frequency signal that is transmitted to the readout device. The readout or data logger stores the reading in Hz. Calibration factors are then applied to the reading to arrive at a pressure in engineering units.


Designed for Low Pressure
The vented pressure transducer has a range of 0 to 1.5 bar (22 psi).
Large Diameter Vent Tube
The large diameter vent tube provides quick response to changes in atmospheric pressure and cannot be blocked by condensation.
Oversize Desiccant Chamber
The large capacity, low maintenance desiccant chamber keeps vent tube dry for 3 to 6 months.


Sensor Type Pluck-type vibrating wire sensor with built-in thermistor or RTD
Range 1.5 bar (22 psi)
Resolution 0.025%FS, equivalent to 0.00038 bar or 0.0055 psi
Calibration Accuracy ±0.1% FS
Maximum Pressure 3 x rated range
Filter 50-micron sintered stainless steel
Calibration Eleven-point calibration
Temperature Coefficient < 0.02% FS per °C)
Materials Stainless steel
Dimensions 29 x 191 mm (1.125 x 7.5")
Weight 0.45 kg (1 lb)


SI52612402 Vented VW Pressure Transducer


Convertisseur d'unités