The Temp101A is a compact, general purpose, temperature data logger. Includes ISO17025 accredited calibration certificate. Read More >

Key Features:

  • Compact Size
  • 10-Year Battery Life
  • Programmable Alarm Limits
  • .01 °C (.018 °F) Resolution
  • Precision RTD Sensing Element
  • Memory Capacity of 2,000,000+ Readings


MadgeTech recommends annual calibration.


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The Temp101A is a compact temperature data logger. This device can measure and record temperatures from -40 °C to 80 °C (-40 °F to +176 °F) with an accuracy of ±0.5 °C.

The Temp101A features user-specified high/low alarm limits and can even be programmed to start up to 18 months in advance. With a 10-year battery life and the ability to store up to 2,095,104 time and date stamped readings, the Temp101A is perfect for long-term studies.

The Temp101A 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.


Memory2,095,104 readings
Reading Rate 1 reading every second up to 1 reading every 24 hours
Baud Rate 115,200
LED Indicators Red & Green
Push-Button Start Yes
Battery Life 10 years typical at a 15 minute reading rate
Dimensions 1.4 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
Required Interface Package IFC200
Approvals CE


Temperature Sensor Precision RTD Element
Temperature Range -40 °C to +80 °C (-40 °F to +176 °F)
Temperature Resolution 0.01 °C (0.018 °F)
Temperature Calibrated Accuracy ±0.5 °C (±0.9 °F) from -5 °C to 55 °C (23 °F to +131 °F)
±1.0 °C (±1.8 °F) from -40 °C to 80 °C (-40 °F to +176 °F)


Temp101A Product User Guide
Temp101A Specification Sheet

Support Videos

Temp101A | Changing the Battery


Part Numbers

Temp101A — 901678-00

The Temp101A replaces the following products:
TempRetriever — 901685-00
TransiTempII — 901756-00


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