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P3 International > 
Item#: 9SIA3J01SM0871
P3 International P0270 Mold Alert Digital Thermo-Hygrometer

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Learn more about the P3 International P0270


P3 International
Weather Monitoring


Molds do not require water to grow. They only require relative humidity levels over 65%. If you keep the humidity low enough, you can prevent mold growth. Maintaining relative humidity below 50% will inhibit mold and mildew growth, dust mite infestations, and bacteria.

To prevent mold and damp patches you first need to know that the potential for a problem exists. Using a Swiss precision sensor allows our electronic Mold Alert Thermo-Hygrometer to give accurate measurements when checking a room's ambient condition.

Monitors multiple factors that can lead to mold, dust mites & bacteria

Built-in visual and audible alarm alerts you to mold growth conditions

Measures relative humidity, dew point and room temperature

Precision Swiss hygrometer

Min/Max values with reset feature


Relative Humidity: 1% to 99% RH, accuracy ±3%

Room Temperature: 14°F to 140°F, accuracy ±1%

Dew Point: 65% humidity triggers audio/visual alarm

Display: User selectable F° or C°, Min/Max values

Batteries: 2 x AA (not included)

Physical Characteristics

Dimensions & Weight
Dimensions: 3.75"H x 3.75"W x 2.5"D
Weight: 4.8 oz.


Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 180 days
  • Limited Warranty period (labor): 180 days
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Customer Reviews of the P3 International P0270

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  • Joseph B.
  • 2/17/2014 5:59:17 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat little machine

Pros: Very accurate temperature display. Checked it up against 3 other thermometers of known accuracy. The hygrometer works great. Recently installed a humidifier in my hot air heating system. The readings change throughout the day. Very happy with this unit.

Cons: Could use a back light for night viewing

Other Thoughts: Have not heard the mold alarm go off so that's a good thing

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Item#: 9SIA3J01SM0871
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