The PRHTemp101A is a compact, pressure, humidity and temperature data logger. Includes standard calibration certificate. Read More >

Key Features:

  • Compact Size
  • Configurable Alarms
  • Memory Capacity of 500,000+ Readings


MadgeTech recommends annual calibration.


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The PRHTemp101A is a pressure, humidity, and temperature data logger. Its compact design and 10-year battery life make it ideal for long-term deployment.

The PRHTemp101A has multiple start/stop functions and can even be programmed to start recording 18 months in advance. It also features user-specified high/low alarm limits (pressure channel only) and the ability to store up to 523,776 readings.

The PRHTemp101A 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.


Memory523,776 readings
Reading Rate 1 reading every second up to 1 reading every 24 hours
Baud Rate 115,200
LED Indicators Red & Green
Battery Life 10 years typical (at a 15 minute reading rate)
Dimensions1.4 in x 2.1 in x 0.6 in (35 mm x 54 mm x 15 mm)
Operating Environment -40 °C to +80 °C (-40 °F to +176 °F), 0 %RH to 95 %RH non-condensing, 0.002 PSIA to 100 PSIA
Required Interface Package IFC200


Internal Channel Temperature Sensor Resistance Temperature Detector (RTD)
Internal Channel Temperature Range -40 °C to +80 °C (-40 °F to +176 °F)
Internal Channel Temperature Resolution 0.01 °C (0.018 °F)
Internal Channel Temperature Calibrated Accuracy ±0.5 °C (±0.9 °F) from 0 °C to +55 °C (+32 °F to +131 °F)
±1.0 °C (±1.8 °F) from -40 °C to 0 °C (-40 °F to +32 °F)
and +55.01 °C to +80 °C (+131.01 °F to +176 °F)


Humidity Sensor Capactive Polymer
Humidity Range 0 %RH to 95 %RH
Humidity Resolution 0.1 %RH
Humidity Calibrated Accuracy 3.0 %RH (+5 °C to +55 °C / +41 °F to +131 °F)
Specified Accuracy
25 %RH to 75 %RH
+20 °C to +40 °C
Hysteresis Error 1 % typical, 3 % Maximum


Pressure Sensor Piezoresistive
Pressure Range 250 mbar to 1300 mbar
Pressure Resolution 0.02 mbar
Pressure Calibrated Accuracy 10 mbar (+5 °C to +55 °C / +41 °F to +131 °F)


PRHTemp101A Product User Guide
PRHTemp101A Specification Sheet

Support Videos

PRHTemp101A | Changing the Battery


Part Numbers

PRHTemp101A — 901052-00


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