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EXTECH RH300: Hygro-Thermometer Psychrometer


Extech RH300: Hygro-Thermometer Psychrometer

Humidity, Wet bulb, Dew Point, Air Temperature plus External Probe Temperature measurements


  • Simultaneous display of %RH, Temperature and Dew point or Wet Bulb or Probe Temperature
  • Wet bulb measurements without slinging
  • Calculates T1-T2 differential (Air Temperature-External Probe Temperature) using optional probe
  • Unique sensor cap design twists to closed position for protection during storage
  • Switchable F/C temperature units with 0.1 resolution
Downloads:DatasheetEXTECH RH300 Datasheet
ManualEXTECH RH300 Manual

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865.777.0099 - Mon - Fri 8AM 5PM EST

For a limited time, is offering New Customers a 10% discount on any Extech item(s) in our on-line store. Select item(s) for purchase and enter Discount Coupon Code 7af751bfdb during checkout. The savings will be applied to your first order.

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  • Model: RH300
  • Shipping Weight: 1lbs