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Extech RH390 Precision Psychrometer

SKU: 120274


Special Order Item. Sales tax applies.

Highest 2% RH accuracy with fast 30-second response time!


  • Fast response time
  • Dual backlit display
  • Simultaneous display of: Humidity/Temperature Humidity/Dew Point or Humidity/Wet Bulb
  • Data Hold and Min/Max functions
  • Auto power off with disable and low battery indicator

Kit Includes:

  • Carrying case
  • 9V battery
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