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Extech RH390 Precision Psychrometer

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Offers a dual backlit display

The Extech Precision Psychrometer RH390 has a high 2% RH accuracy, a fast response time, less than 30 seconds, and a dual backlit display.

The RH390 can simultaneously display humidity and temperature, humidity and dew point, or humidity and wet bulb measurements.

Features

  • Offers a dual backlit display
  • Made with a slim design complete with rubberized sides for better grip and for one hand use
  • Includes Data Hold and Min/Max functions
  • Auto-powers off with disable feature
  • Alerts user with low battery indicator
  • Has a simultaneous display of humidity/temperature, humidity/dew point or humidity/wet bulb

Specifications

Humidity 0 to 100%RH
Internal Temperature -4 to 199°F (-20 to 100°C)
Basic Accuracy ±2%RH, ±1.8°F/1°C
Max Resolution 0.1%RH, 0.1°F/°C
Dewpoint -22 to 199°F (-30 to 100°C)
Wet Bulb 32 to 176 °F (0 to 80°C)
Dimensions 7.8" H x 1.7" W x 1.3" D
Weight 7 oz (200g)
 

NIST Calibration

The Extech RH390 Precision Psychrometer is available with standard factory calibration or with NIST Calibration Certification (adds 5 days to product lead time). NIST certification offers a traceable certificate that satisfies ISO & other regulatory requirements for product accuracy traceability to nationally recognized reference standards.

2 Reviews Hide Reviews Show Reviews

  • 5
    Excelent Product

    Posted by Jorge on Jun 1st 2010

    Precision and good product

  • 5
    Excelent Product

    Posted by Jorge on May 28th 2010

    Excelent Product, Price/Value, as its named Precision

Please see our warranty page for more information regarding the warranty on this item.

Return Information

  • Return windows close 30 days after you receive your item.
  • You are responsible for obtaining a Return Merchandise Authorization, the cost of shipping, and potential restocking fees, if the item has been opened.
  • To start a return, or to view the full returns policy, click here.
Your Price
$199.99
Ships Free (US 48)
Ships the next business day

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