EXTECH RH490 - Precision HYGRO-Thermometer with GPP (Grains per Pound)

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Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.

•Less than 30 second RH response time
•Water Vapor in GPP and g/kg
•Dual backlit display
•Simultaneous display of Humidity/Temperature, Humidity/Dew Point or Humidity/Wet Bulb
•Slim design with rubberized side grips