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Pressure And Level Sensors Type PT12-BV Seametrics

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PT12-BV Seametrics

Barometric & Vacuum with Modbus & SDI-12 Interface
  • Available as a weatherproof box or 316 stainless steel tube (titanium optional).
  • Provides barometric reference for absolute pressure sensors.
  • Automatically compensates for barometric pressure when attached to a PT12 submersible sensor (SDI-12 only).
  • Measures pressure and temperature.

Description

The PT12-BV barometric pressure sensor comes as a weatherproof box and provides an ideal barometric reference for absolute pressure sensors.

It also offers automatic barometric compensation when used with SDI-12. Simply attach the PT12-BV to a PT12 submersible sensor and receive barometrically compensated pressure readings. No post-processing of data. No vented cable. No desiccant tubes.

Featuring both an SDI12 (v.1.3) interface and a Modbus® RTU interface, the PT12-BV is easy to connect to recorders and existing monitoring networks, making it the preferred choice for many environmental professionals.

Features

Pressure And Level Sensors Type PT12-BV Seametrics
Pressure And Level Sensors Type PT12-BV Seametrics

  • Weatherproof box constructed with ABS – IP66/67, fluorocarbon, and Buna N (nitrile rubber).
  • SDI-12 v1.3 interface.
  • Modbus® RTU interface.
  • Barometrically compensate attached absolute sensor for level measurement (SDI-12 only).
  • Operates on low power.

Applications

  • Level measurement: barometrically compensate absolute pressure sensors.
  • Measure vacuum pressure during vapor extraction pilot testing.
  • Supplement aquifer test data in leaky or confined conditions.
  • Accurately measure barometric pressure.

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.

SPECIFICATION

HousingMaterialWeatherproof box – ABS – IP66/67
DimensionsBox only: 4.3” x 3.1” x 2.5” (10.9 x 7.9 x 6.4 cm)
Wire Seal
Material
Fluorocarbon and Buna N
Communication
Pigtail
5 ft (1.5 m) polyurethane cable
OptionsPT12-BV compensation wiring option; Bulkhead connector
TemperatureOperating RangeRecommended: -15˚ to 55˚C (5˚ to 131˚F) Not designed to operate under water
Storage Range-40˚ to 80˚C (-40˚ to 176˚F)
PowerVoltage9-16Vdc, 24Vdc over voltage protection, electromagnetic & transient protection IEC-61000 – 4-3, 4-4, 4-5, 4-6
Supply CurrentActive 3mA average/ 10mA peak; sleep 150 μA
CommunicationModbus®RS485 Modbus® RTU, output=32bit IEEE floating point
SDI-12SDI-12 (ver. 1.3) – ASCII
Output ChannelsTemperaturePressure/Vacuum
ElementDigital IC on boardSilicon strain gauge transducer, 316 stainless
Accuracy±0.5°C — 0° to 55°C (32˚ to 131˚F)
±2.0°C — below 0°C (32˚F)
±0.05% FSO (typical, static)
±0.1% FSO (maximum, static)
(B.F.S.L. 20˚C)
Resolution0.06˚C0.0034% FS (typical)
Range-15˚ to 55˚C (5˚ to 131˚F)0-16 psia (110 kpa)
Compensated0˚ to 40˚C (32˚ to 104˚F)
Over pressure protection2x
EnvironmentalIP66/67

*Specifications subject to change. Please consult out web site for the most current data (seametrics.com). Modbus is a registered trademark of Schneider Electric.

Read more : Pressure And Level Sensors Type LevelSCOUT Seametrics; Pressure And Level Sensors Type BaroSCOUT Seametrics

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