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Sensor Type
Temperature / Freeze
Tool Type
Temperature Measurement
Audible Indicator
Battery Operated
LCD Display
Visual Indicator
Ease of Installation
Beginner (Installs < 10 minutes)
Extech Instruments
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Programmable Alarm Warns of High Humidity Conditions
Extech Instruments 445814 Hygro-Thermometer Humidity Alert with Dew Point
Extech Instruments 445814 Hygro-Thermometer Humidity Alert with Dew Point
Extech Instruments 445814 Hygro-Thermometer Humidity Alert with Dew Point
Item# 90268
Price: Normally $49.99 
Hot Deal $41.99
Free shipping on orders over $175 - See Details


  • Large, easy-to-read triple LCD displays Relative Humidity, Temperature and Dew Point
  • RH audible and visual alarms, with adjustable set points, alert when humidity exceeds set limit
  • Max/Min with Reset function
  • Indicates Humidity and Temperature

Essential Info

Humidity alarms warn when the %RH exceeds a pre-set HI or LO limit. It also features Humidity and Temperature calibration adjustments. The unit can be wall mounted or placed on a flat surface using the fold-out stand. This professional meter, with proper care, will provide years of safe reliable service.


What's Included

  • Hygro-Thermometer
  • Built-in Stand
  • Wall Mount Bracket
  • 2 AAA Batteries
  • More Info

    In summertime, identifies and warns when conditions for mold growth exist
    In wintertime, identifies and warns when low humidity conditions for static electricity exist
    Air temperature and dew point temperature indicate where condensation may occur
    Monitor conditions in laboratories, storage areas and other controlled environment settings


  • Humidity 10 to 99%
  • Temperature 14 to 140°F (-10 to 60°C)
  • Basic Accuracy ±4%RH; ±1.8°F/1°C
  • Dimensions 4.3 x 3.9 x 0.78" (109 x 99 x 20mm)
  • Weight 6oz (169g)

  • Important notes:
    Defective exchanges for identical item within 30 days of purchase. After 30 days, please contact the manufacturer.
    Manufacturer contact information: Extech Instruments Corp, Tel: (781) 890-7440 Ext 200



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