Seametrics PT2X Pressure & Temperature with Datalogging

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Seametrics PT2X Pressure and temperature sensor
Seametrics PT2X Pressure and temperature sensor

The Seametrics PT2X Smart Sensor is an integrated data logger and pressure/temperature sensor and is ideal for monitoring groundwater, well, tank, and tidal levels, as well as for pump and slug testing. This sensor networks with all of the Seametrics Smart Sensor family.

This industry-standard digital RS485 interface device records up to 520,000 records of pressure/level, temperature, and time data, operates with low power, and features easy-to-use software with powerful features. Constructed with 316 stainless steel or titanium, PTFE, and fluoropolymer, this sensor provides high-accuracy readings in rugged and corrosive field conditions.

Two replaceable internal AA batteries power the PT2X. (Auxiliary power supplies are available for data-intensive applications.) The unit is programmed using Seametrics’ easy-to-use Aqua4Plus 2.0 control software. Once programmed the unit will measure and collect data on a variety of time intervals. Several PT2Xs, or a combination of PT2Xs and other Seametrics Smart Sensors, can be networked together and controlled directly from a single computer.

While most will use the PT2X with our free, easy-to-use Aqua4Plus 2.0 software, it is by no means limited to that software. You can use your own Modbus® RTU or SDI-12 software or logging equipment to read measurements, thus tying into your existing telemetry and control systems.


  • Measures & records pressure/level and temperature
  • Low power
  • Modbus® RTU (RS485) and SDI-12
  • ±0.05% FSO typical accuracy
  • Thermally compensated
  • Small diameter — 0.75” (1.9 cm)
  • 520,000 records in non-volatile memory
  • Barometric compensation utility for use with absolute sensors
  • Free, easy-to-use Aqua4Plus 2.0 software


  • Pump and slug tests
  • Stormwater runoff monitoring
  • Well, tank, tidal levels
  • River, stream, reservoir gauging
  • Wetland monitoring
  • Resource administration


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