The PR140 is a pressure data logger for high temperature applications. Includes ISO17025 accredited calibration certificate. Read More >

Key Features:

  • Submersible
  • Accuracy of ±0.03 Bar
  • Available in Flush or NPT Pressure Port Top



The PR140 is a pressure data logger designed for use in high temperature applications. This device is completely submersible (IP68) and is available with a 1/8-27 NPT pressure port top, allowing it to connect with a variety of fitting and adapters.

The PR140 can withstand temperatures up to +140 °C (+284 °F) with an accuracy of up to ±0.03 Bar (±0.435 PSI). The PR140 can be programmed to take measurements as often as once per second (1 Hz) and can store up to 32,256 readings.

The PR140 is compatible with the latest MadgeTech 4 Software making starting, stopping, and downloading simple and easy. Graphical, tabular, and summary data is provided for analysis and can be viewed as customizable engineering units.


Memory32,256 readings
Reading Rate1 second to once every 24 hours, selectable in software
Baud Rate125,000
Battery Life2 years typical (1 minute reading rate at 25 °C / 77 °F)

Fast reading intervals and extreme temperatures will shorten the battery life substantially
Material316 Stainless Steel, Radel
Dimensions2.29 in x 1.0 in dia. (58.2 mm x 25.4 mm dia.)
IP RatingIP68
Operating Environment-20 °C to +140 °C (-4 °F to +284 °F), 0 %RH to 100 %RH
Note: The PR140 may be used above +60 °C for up to 8 hours, per 24 hour period.


Pressure SensorSemiconductor Strain Gauge
Pressure Range0 to 5 Bar (0 to 72.5 PSIA)
Pressure Resolution0.0001 bar (0.00145 PSIA)
Pressure Calibrated Accuracy±0.03 bar from +20 °C to +140 °C (+68 °F to +284 °F)
±0.1 bar from -20 °C to +19.99 °C (-4 °F to +68 °F)


PR140 Specification Sheet

PR140 Product User Guide


Part Numbers

PR140 (Flush Top) — 900998-00
PR140 (NPT Port Top) — 900992-00


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