Mold Inspection Consulting and Remediation Organization
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Extech/Flir RH390 Precision Hygro-Thermometer Psychrometer

Highest 2% RH accuracy!

More info

Extech/Flir RH390 Precision Hygro-Thermometer Psychrometer
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  • Extech/Flir RH390 Precision Hygro-Thermometer Psychrometer
  • Extech/Flir RH390 Precision Hygro-Thermometer Psychrometer

Alternative Products

  • Extech/Flir RH390-NIST Precision Hygro-Thermometer Psychrometer - NIST
    Extech/Flir RH390-NIST Precision Hygro-Thermometer Psychrometer - NIST

    $324.99

    Item #732

Features:

  • Less than 30 second RH response time

  • Dual backlit display

  • Simultaneous display of:

    • Humidity/Temperature

    • Humidity/Dew Point

    • Humidity/Wet Bulb
  • Slim design with rubberized sides for better grip and for one hand operation

  • Data Hold and Min/Max functions

  • Auto power off with disable and low battery indicator

  • Complete with carrying case and 9V battery

  • Model RH490 measures Grains Per Pound (grams per kilogram) to 1120GPP (160g/kg)
  • Complete with carrying case and 9V battery

Download Catalog

Looking for more products from Extech? We carry many more products than we are able to list on our website. Click here to download the full Extech catalog. Then contact us to place your order!