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Extech RH490 Precision Hygro-Thermometer, -30 to 100°C, 0 to 100%RH

Model #   RH490

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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

Technical Information

  • Humidity0 to 100%RH
  • Temperature-22 to 199°F (-30 to 100°C)
  • Accuracy±2%RH, ±1.8°F/1°C
  • Max Resolution0.1%RH, 0.1°F/°C
  • Dewpoint-22 to 199°F (-30 to 100°C)
  • Wet Bulb32 to 176 °F (0 to 80°C)
  • Absolute Humidity0 to 1120GPP (0 to 160g/kg)
  • Dimensions7.8x1.7x1.3in (200x45x33mm)
  • Weight7oz (200g)

Items Included

  • carrying case
  • 9V battery

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