Extech Instruments Extech 445702 Indicator Relative Humidity/Temperature with Clock

...r0">Hygro-Thermometer Clock

The Extech Hygro-Thermometer Clock (model 445702 )combines three displays for time, temperature, and humidity. This attractive indicator is ideal for desktop or wall mounting applications.

Numerous Features & Functions

The 445702's clock function automatically displays 12 hour time with AM/PM indication when in Fahrenheit mode, and displays in 24 hour time when in Celsius mode. It also features a memory with reset function stores minimum and maximum measurements for both temperature and humidity. The 445702 offers a measuring range of 14 to 140 degrees F (-10 to 60 degrees C) and a basic accuracy of 1.8 degrees F with 14 to 122 degrees F (1 degree C within -10 to 50 degrees C). It also offers a humidity reading of 10 to 99 percent RH basic accuracy (6 percent within 25 to 80 percent RH).


Built-in tilt stand, wall mounting bracket, AAA battery, and user guide.

  • Humidity range: 10 to 85 percent
  • Temperature range: 14 to 140 degrees F / -10 to 60 degrees C
  • Accuracy: 6 percent RH; 1.8 degrees F, 1 degree C
  • Resolution: 1 percent RH; 0.1 degree C or F
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