Extech RHT3
EzSmart Hygro-Thermometer

  • Free app from iTunes® and Google Play™ for taking readings and further analysis
  • Measures Humidity and Temperature simultaneously
  • Calculates Wet Bulb and Dew Point Temperature
  • Continuous graph plots Humidity and Temperature changes over time
  • 5 user-settable high/low alarms for both Temperature and Humidity
  • 4 records - each contains 100 data points with Humidity, Temperature, Wet Bulb, and Dew Point, plus Time, Date and GPS coordinates
  • Post images directly to social media (Facebook® and Twitter™)
  • Complete with built-in sensor and protective connector cap with strap
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Extech RHT3 Shown
Product Information
Datasheet 352 KB PDF
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The Extech RHT3 unique technology provides iOS/Android device owners the ability to take quick, general readings of Humidity and Temperature. Further analyze these readings with the handy trend graph feature. It’s fully functional like a regular all purpose Hygro-Thermometer for a fraction of the cost!

Ordering Information
Model Description Buy Now Price
RHT3 Extech RHT3 EzSmart Hygro-Thermometer Buy Now Sale $47.99
(Reg. $59.99)
Included Accessories
  • 1 - Protective connector cap with strap