Extech Humidity Temperature Data Logger Kit - 42275

In stock

This temperature and humidity data logging kit is a great way to log data over a long period of time with highly accurate results. Great for refrigerators, storage rooms, labs, barns, etc.

Extech Humidity Temperature Data Logger Kit - 42275

Compact, powerful and easy to use tempreature and humidity measurements with PC interface


  • Records up to 16,000 readings
  • Water resistant
  • Temperature range of -40 to 185°F (--40 to 85°C)
  • Real time clock with date and time
  • Logs data for days, weeks or months- up to 1 year battery life
  • Three start methods: scheduled, immediate or magnetic
  • Multiple Data loggers can be programmed and data downloaded from one single docking station
  • Programmable sampling rate from 1 sec to 2 hours
  • Hi/Lo Limits with alarm indication
  • High resolution of 0.1%RH and 0.1°F/C
  • Comes with Windows compatible software and a docking station for uploading data
  • 1 year warranty

This data logging humidity and temperature kit is designed to be set up and left to collect data for days weeks or months. It is able to collect temperature and humidity readings with a programmable sampling rate from 1 second up to 2 hours apart. With an added alarm function which alerts the user to when the programmable Hi/Lo limits have been breached. This kit is designed to upload its data to a PC to be analyzed and manipulated with the included software. 

This unique data logging meter is useful for any temperature reading but is especially useful in freezers, shipping crates, laboratories, clean rooms, refrigerators, storage units, warehouses and cargo vessels. With a wide temperature range from -40 to 185°F (--40 to 85°C). The 42275 Data Logger Kit is attached to this page to answer any further questions.


  • Temperature Range: -40°F to 185°F, -40°C to 85°C
  • Temperature Resolution: 0.1°
  • Temperature Basic Accuracies:
    • ±1°F (-4 to 122°F)
    • ±2°F (-40 to -4°F, 122 to 185°F)
    • ±0.6°C (-20 to 50°C)
    • ±1.2°C (-40 to 20°C, 51 to 85°C)
  • Humidity Range: 0 to 100%RH
  • Humidity Resolution: 0.1%
  • Humidity Basic Accuracy: ±3%RH
  • Data logging Interval 1 sec to 2 hours
  • Memory:
    • Temperature: 8000 points
    • Relative Humidity: 8000 points
  • Dimensions: 4.9 x 3.8 x 2" (123.8 x 95.3 x 51mm)
  • Weight: 9oz (254g)

Unit Ship Weight: 1 lb

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