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Extech 42270 Temperature/Humidity Datalogger

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42270
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extech 42270 temperature humidity datalogger

Please note: this datalogger cannot be used without an Extech docking station (sold separately). The docking station is required for configuring the logger and for download into PC. This unit is designed purely as an extra instrument for use with the USB station included with the Extech 42275 docking station kit.

Simply place the Extech 42270 in a storage container, warehouses, van, freezer, greenhouse or any other environment to constantly monitor temperature and humidity levels!

Extremely small and fully user-programmable, the 42270 is simple to install at a fixed point and allows the user to adjust the logging rate from every second up to every 2 hours. High/low alarm limits can also be set using a PC and the instrument will alert the user if any of these parameters are exceeded.

Once configured, the 42270 will constantly log temperature and humidity values at the rate specified. Up to 16000 readings (8000 for temperature, 8000 for humidity) can be stored and the instrument's long battery life (approx 1 year), ensures its perfect for prolonged measurements.

This logger can measure and store temperature values from -40 to 85°C (-40 to 185°F) and humidity values from 0 to 100% RH.

Extech 42270 Temperature/Humidity Datalogger Key Features

  • Wide operating temperature range: -40 to 185°F (-40 to 85°C)
  • Humidity range: 0 to 100% RH
  • Records up to 16,000 readings (8,000 readings for each parameter)
  • Use in storage containers, shipping vans, freezers and more
  • Logs data for days, weeks or months - up to 1 year battery life
  • Programmable sampling rate from 1sec to 2hrs plus Hi/Lo limits with alarm indication
  • LCD displays current temperature/humidity
  • Requires 42275 docking station for programming and data download

Extech 42270 Technical Specifications

Specifications Ranges Resolution Basic Accuracy
Temperature -40°F to 185°F
-40°C to 85°C
0.1° ±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 0 to 100%RH 0.1% ±3%RH
Datalogging Interval 1 sec to 2 hours
Memory Temperature: 8000 points; Relative Humidity: 8000 points
Dimensions 3 x 2.3 x 0.88" (76 x 57.2 x 22.3mm)
Weight 2.6oz. (72.6g),
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Additional Information
SKU 42270
Manufacturer Part Code 42270
Country of Origin China
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