Extech RH30 Hygro-Thermometer with Humidity Alert View larger

Extech RH30 Hygro-Thermometer with Humidity Alert


New product

Monitors Temperature, Humidity, and Dew Point Monitor with Audible/Visial Alarm

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Call 1300 556 601 For Price

$52.50 tax excl.

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Extech’s attractive Humidity Alert monitors temperature, humidity, and dew point, alerting users to mold hazard conditions with an audible alarm and bright red LED indicator when humidity exceeds preset values.

Applications: Laboratories, R&D, clean rooms and bio-pharmaceutical manufacturing, Museum, storage and document archive facilities, Commercial, retail and residential sites prone to mold



  • Large, easy-to-read triple LCD display (°F or °C units)
  • Desktop or wall mount
  • Simultaneous display of Relative Humidity, Temperature and Dew Point
  • Measurement ranges: Humidity: 1 to 99%RH; Temperature: 14 to 122°F (-10 to 50°C)
  • Basic Accuracy of 4%RH (35% to 75%), ±5%RH (<35% or >75%), ±1.8°F/1°C
  • Beeper sounds and bright LED flashes when humidity level exceeds user preset (50, 60, or 65 %RH)
  • Max/Min with Reset
  • Complete with 2 AA batteries