extech rh490 : precision hygro-thermometer


category: humidity meters / hygrometers

quick overview:

rh490: precision hygro-thermometer

highest 2% rh accuracy with grains per pound (gpp) display


features

  • less then 30 seconds of rh response time
  • water vapor in gpp
  • dual backlit display
  • simultaneous display of: humidity/temperature, humidity/dew point or humidity/wet bulb
  • slim design with rubberized side grips
  • data hold and min/max functions

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extech rh490 : precision hygro-thermometer


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