iButton Temperature Logger

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The stand alone iButton temperature logger can be placed almost anywhere and is easily mounted with an adhesive backing or a small plastic wall mount.

The device records at user-defined intervals and it can store up to 2,048 readings. If temperatures leave a pre-programmed range, the logger also records when this happened, for how long and if the temperature was too high or too low. Every iButton has a unique registration number engraved on a stainless steel casing, which is highly resistant to dirt and moisture.


  • Durable, stainless steel case is factory-lasered with a unique registration number to assure traceability
  • Built-in real-time clock and timer
  • Automatic wake up after a specified delay
  • Records a long-term temperature histogram
  • Programmable high and low alarms
  • Water resistant or waterproof if placed inside iButton capsule


  • Range: -40°F to 185°F (-40°C to 85°C)
  • Accuracy: ±2°F from 32°F to 158°F (±1°C from 0°C to 70°C)
  • Resolution: 0.5°C
  • Data Capacity: 2,048 readings
  • Logging Rate: Programmable from 1 to 255 minutes
  • Battery Life: Up to 7 years
  • Size: 17.35mm diameter x 5.89mm depth


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