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Extech 42275 Temperature / Humidity Datalogger Kit

Extech Instruments
SKU: EXTE42275
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Due to ship mid-November 2026
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Key Features
  • Records up to 16,000 readings, plus customisable sampling rates
  • Battery life of up to 1 year allows logging for days, weeks or months
  • Includes datalogger, docking station with USB cable and PC software

Related Categories

Temperature and Humidity Dataloggers Industrial Thermometer Kits
Description

Extech 42275 Temperature/Humidity Datalogger Kit with PC Interface

Capable of recording up to 16,000 readings, the Extech 42275 Temperature/Humidity Datalogger Kit is perfect for use in most environments, including shipping vans, storage containers, freezers, warehouses, industrial refrigeration units and cargo ships.

Featuring a user-programmable sampling rate of 1 second to 2 hours, in addition to Hi/Lo limits with alarm indication, the Extech 42275 has a wide operating temperature range of -40 to 85°C (-40 to 185°F) and a humidity range of 0 to 100% RH, making it a very versatile instrument.

Temperature and humidity are shown on a clear LCD screen and the built-in clock stores date and time info with the data. With three start methods (scheduled, immediate and magnetic), the Extech 42275 can log data for days, weeks or even months, boasting a battery life that can last up to one year.

The PC interface allows users to program the logger whilst analysing and storing data using Windows 95 / 98 / 2000 / NT / ME / XP compatible software, with the RS-232 docking station allowing data to be streamed instantly onto a PC.

Please Note: The datalogger unit will not function without the docking station and PC software.

Extech 42275 Key Features:

  • Record up to 16,000 readings, including date and time data
  • Customisable sampling rate, from 1 second to 2 hours
  • LCD screen displays humidity and temperature
  • Log for days, weeks or months with battery life of up to 1 year
  • Analyse or store data using PC software
  • Hi/Lo limits and alarm indication
  • Multiple start methods: Scheduled, immediate, magnetic
  • Includes datalogger, docking station with USB cable and PC software

What's In The Box?

  • Extech 42275 Temperature/Humidity Datalogger
  • Docking Station With USB Cable
  • PC Software Package
Specification
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Specification
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Temperature

  • Range: -40°F to 185°F (-40°C to 85°C)
  • Max Resolution: 0.1°
  • Basic Accuracy: ±1°F/ ±0.6°C

Humidity

  • Range: 0 to 100%RH
  • Max Resolution: 0.1%
  • Basic Accuracy: ±3%RH

General

  • Datalogging Interval: 1 sec to 12 hours
  • Memory: Temperature: 8000 points and Relative Humidity: 8000 points
  • Dimensions: 123.8 x 95.3 x 51mm (4.9 x 3.8 x 2”)
  • Weight: 254g (9oz)
Reviews
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£148.80 (Inc. VAT) £124.00 (Ex. VAT)