Extech Precision HYGRO-Thermometer with GPP Green


6 in stock

Get precision weather readings with the EXTECH RH490 HYGRO-Thermometer. This device measures temperature, relative humidity, and even grains per pound (GPP). Stay informed and make the most accurate decisions with this convenient green device.

SKU: 793950444900 Category: Tags: , , , ,


Brand: Extech

Color: Green


  • 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


The EXTECH RH490 Precision HYGRO-Thermometer is a reliable and efficient tool for measuring humidity and temperature. With its less than 30-second response time, you can quickly obtain accurate readings. This hygro-thermometer also provides measurements of water vapor in GPP (Grains per Pound) and g/kg, allowing for a comprehensive analysis of moisture levels. The dual backlit display enables simultaneous viewing of humidity/temperature, humidity/dew point, or humidity/wet bulb readings. Its slim design, complete with rubberized side grips, ensures easy handling and comfortable use. Add a touch of style to your toolkit with the EXTECH RH490 in its vibrant green color.

UPC: 793950444900

Additional information

Weight 0.440924524 kg
Dimensions 1.70078739984 × 1.30314960497 × 6.99999999286 cm