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Observator 100 jaar

Seametrics PT12-BV Barometric/Vacuum Sensor

The Seametrics PT12-BV comes as a weatherproof stand-alone box or with an automatic compensation wiring option. The PT12-BV measures pressure, temperature, and supply voltage.

The weatherproof box is an ideal barometric reference for absolute pressure sensors. This version features both an SDI-12 interface and a Modbus® RTU interface that makes the product easy to connect to recorders and operates on low power. This makes it a preferred choice for many environmental professionals with existing SDI-12 or Modbus® RTU systems.

With the Compensation Wiring Option, the PT12-BV automatically provides barometric compensation for a single attached absolute PT12 submersible pressure sensor. No post processing of data. No need to use a vented cable or worry about maintaining desiccant tubes. This version features an SDI-12 communication interface, making it ideal for many existing environmental systems.

Aanvullende documenten


  • Weatherproof box
  • Automatic barometric compensator
  • SDI-12 v1.3 interface and/or Modbus® RTU interface (depends on version)
  • Pressure/vacuum and temperature
  • Polyethylene, polyurethane, and ETFE cable options



  • Barometrically compensate absolute pressure sensors for level measurement
  • Measure vacuum pressure during vapor extraction pilot testing
  • Supplement aquifer test data in leaky or confined conditions
  • Measure accurate barometric pressure

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