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PO Box 5197
Janesville, WI 53547-5197

Phone Number: 608-743-8002
Fax Number: 608-743-8039
Toll Free Number: 1-800-334-9291
Toll Free Fax Number: 1-888-776-3187


Extech Precision Digital Psychrometer

 Extech Precision Digital Psychrometer
Item #: M509-3900
Manufacturer: Extech Instruments
Manufacturer Item #: RH390
Product Type: Psychrometers
Your Price: $179.99
 In Stock
Extech Precision Digital Psychrometer measures relative humidity & calculates dewpoint temps!
Features & Applications:

Slim design with rubberized sides for better grip and for one hand operation.

Features:

  • Fast response time (<30 seconds)
  • Dual backlit display
  • Simultaneous display of:
    • Humidity/Temperature
    • Humidity/Dew Point
    • Humidity/Wet Bulb
    • Data Hold and Min/Max functions
  • Highest 2% RH accuracy
  • Auto power off with disable and low battery indicator
  • Complete with carrying case and 9V battery

Spec Summary:

Humidity:
 0 to 100%RH
Temperature (internal):
 -4 to 140°F (-20 to 60°C)
Basic Accuracy:
 ±2%RH, ±3°F/2°C
Max. Resolution:
 0.1%RH, 0.1°F/°C
Dewpoint:
 -22 to 212°F (30 to 100°C)
Wet Bulb:
 32 to 176 °F (0 to 80°C)
Dimensions:
 7.8x1.7x1.3” (200x45x33mm)
Weight:
 7oz (200g)
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