Extech 445703 Big Digit Hygro-Thermometer

Comes with Max/Min with "reset" function

The Extech 445703 Big Digit Hygro-Thermometer displays concurrent measurements of temperature and humidity using easy-to-read 1" digits on a spacious dual LCD screen.

This meter helps maintain proper temperature and humidity conditions in a variety of different locations, giving you accurate measurements and recording for all of your assessment projects.


  • Comes with Max/Min with "reset" function
  • Sizable digits on display for quick readings
  • °C/°F alternatable temperature measurements
  • Low battery indicator
  • Complete with built-in tilt stand, wall mounting bracket, and 1.5V AAA battery


Humidity 10 to 99% RH
Temperature 14 to 140°F or -10 to 60°C
Accuracy ±5%RH; ±1.8°F, ±1°C
Dimensions 4.3" H x 3.9" W x 0.78" D
Weight 6 oz

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This product comes standard with a 1-year warranty.

Return Information

  • Return windows close 30 days after you receive your item.
  • You are responsible for obtaining a Return Merchandise Authorization, the cost of shipping, and potential restocking fees, if the item has been opened.
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Ships Free (US 48)
Ships in 2-3 weeks

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