PT12

Pressure & Temperature with Modbus & SDI-12 Interface

Designed to resist the elements, the PT12 delivers accurate pressure and temperature readings in rugged environments.
This industry standard SDI-12 device is easy to interface with SDI-12 recorders and can be daisy-chained on one cable up to 200 feet, making it a preferred choice for many environmental professionals with existing SDI-12 systems.

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The Seametrics PT12 Pressure/Temperature Sensor has been designed to provide trouble-free submersible operation in liquid environments. This sensor communicates via SDI-12 (v1.3) or Modbus® RTU (RS485)protocol. Pressure/level is measured with an extremely rugged and stable piezo-electric, media isolated pressure element and compensated for temperature using our proprietary calibration methodology. Temperature is measured using an on-board digital chip. Seametrics also carries a special version of the PT12 designed to measure barometric pressure in reference to absolute pressure. If you are using an absolute PT12, contact your representative for details on how our PT12-BV can facilitate obtaining barometrically compensated pressure/level.

Features

  • SDI-12 v1.3 interface
  • Modbus® RTU interface
  • Optional U.S.G.S. OSW accuracy enhanced calibration on the 15 PSIG unit.
  • Available with a variety of cable options, including polyethylene, polyurethane, and FEP
  • Available in absolute and gauge versions
  • 316 stainless steel, fluoropolymer, and PTFE construction (titanium optional)
  • Optional automatic barometric compensation for absolute units using a PT12-BV Barometric Sensor (SDI-12 only)
  • Available from 1 PSI to 300 PSI
  • Optional 1/4″ NPT inlet

Applications

  • Monitoring groundwater, well, tank and tidal levels
  • Pump testing
  • Flow monitoring

Ordering Information

Specify Output in Meters or PSI
PRESSURE RANGES
For titanium, add TTi to the end of the part number.

Stainless Steel

2B43820 PT12, 1PSIg 316 Stainless/Set-Screw Standard Calibration

2B41824 PT12, 5 PSIg 316 Stainless Standard Calibration

2B41826 PT12, 15 PSIg 316 Stainless Standard Calibration

2B41828 PT12, 30 PSIg 316 Stainless Standard Calibration

2B41852 PT12, 30 PSIa 316 Stainless Standard Calibration

2B41830 PT12, 50 PSIg 316 Stainless Standard Calibration

2B41854 PT12, 50 PSIa 316 Stainless Standard Calibration

2B41832 PT12, 100 PSIg 316 Stainless Standard Calibration

2B41856 PT12, 100 PSIa 316 Stainless Standard Calibration

2B41834 PT12, 300 PSIg 316 Stainless Standard Calibration

2B41858 PT12, 300 PSIa 316 Stainless Standard Calibration

Titanium 

2B42824 PT12, 5 PSIg Titanium Standard Calibration

2B42826 PT12, 15 PSIg Titanium Standard Calibration

2B42828 PT12, 30 PSIg Titanium Standard Calibration

2B42852 PT12, 30 PSIa Titanium Standard Calibration

2B42830 PT12, 50 PSIg Titanium Standard Calibration

2B42854 PT12, 50 PSIa Titanium Standard Calibration

2B42832 PT12, 100 PSIg Titanium Standard Calibration

2B42856 PT12, 100 PSIa Titanium Standard Calibration

2B42834 PT12, 300 PSIg Titanium Standard Calibration

2B42858 PT12, 300 PSIa Titanium Standard Calibration

Sensor Options 

2B36901 USGS-OSW Calibration, Improves Level Accuracy 15 & 30 PSIG Ranges

8A6V124 Bulkhead Option for PT12-BV (Female)

2B36902 PT12 BV Compensation Wiring Option

pt12-specs

Weight 5 kg
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