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PT12-BV
Brand: Seametrics, IncThe 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.
Features- 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
Specifications
Brand
Material
- Weatherproof box - ABS - IP66/67
Dimensions
- Box 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
Options
- PT12-BV compensation wiring option; Bulkhead connector
Operating Range
- Recommended: -15° to 55° C (5° to 131° F) Not designed to operate under water
Storage Range
- -40° to 80° C (-40° to 176° F)
Voltage
- 9-15 Vdc, electromagnetic & transient protection IEC-61000 - 4-3, 4-4, 4-5, 4-6
Supply Current
- Active 3 mA average/ 10 mA peak; sleep 150 µA
Modbus®
- RS-485 Modbus® RTU, output=32bit IEEE floating point
SDI-12
- SDI-12 (ver. 1.3) - ASCII
Element
- Digital IC on board
- Silicon Strain Gauge Transducer, 316 Stainless Steel
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)
Resolution
- 0.06° C
- 0.0034 % Full Scale (typical)
Range
- -15° to 55° C (5° to 131° F)
- 0-16 psia (110 kpa)
Compensated
- 0° to 40° C (32° to 104° F)
Over pressure protection
- 2x
Environmental
- IP66/67