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Extech RH390
Precision Psychrometer

Highest 2% RH accuracy

  • 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
Click here for a larger image - Extech RH390 SuperHeat PsychrometerClick for larger image
Extech RH390 Shown
 
Product Information
Datasheet 91 KB
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Specifications
Humidity 0 to 100% RH
Temperature -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 7.81x1.7x1.3" (200x45x33mm)
Weight 7oz (200g)
 
Ordering Information
Model Description Buy Online Price
RH390  Extech RH390 Precision Psychrometer  Buy Now $179.99 
RH390NIST  Extech RH390-NIST Precision Psychrometer with NIST  Buy Now $284.99 
Included Accessories
 
  • (1) Carrying case
  • (1) 9V battery
Included


*NOTE: Items ordered with optional NIST calibration will require
approximately 10 days to complete the certification.

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$20.00 Minimum on Total Order

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