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Hygro-Thermometer Humidity Alert Detector with Dew Point

Precision Hygro-Thermometer Psychrometer

Extech Precision Psychrometer for Temperature, Humidity and Dew Point Measurements

Part Number: RH390

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  • Simultaneous Display Humidty/Temperature, Humidity/Dew Point and Humidity/Wet Bulb
  • Fast Response Time When Taking a Measurement
  • Data Hold and Min/Max Functions, Auto Power off and Low Battery Indicator
  • CE Approved with 1 Year Warranty
  • Dual Backlit LCD

Includes Carrying Case and 9 Volt Battery

Special order - please allow 7-10 days for this item to ship.


Hygro-Thermometer Psychrometer Specifications

Humidity 0 to 100% Relative Humidity
Temperature (Internal) -4 to 140°F (-20 to 60°C)
Basic Accuracy ±2%RH
Max. Resolution 0.1% RH , 0.1 F/ C
Dewpoint -22 to 212 F (-30 to 100 C)
Wet Bulb 32 to 176 F (0 to 80 C)
Standard Compliance CE Approved
Weight 7oz. (200g)
Dimensions 7.8" x 1.7 " x 1.3" (200mm x 45mm x 33mm)

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