Extech RH390 Precision Thermohygrometer, 0 to 100% RH/, -22 to 199F

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Extech Mfr # RH390 – Item # EW-37803-33
Measures relative humidity with ±2% accuracy
  • 1 year warranty


$215.99USD / Each
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Specifications & Description

  • Min RH Range (%)0
  • Max RH Range (%)100
  • RH Accuracy±2% RH
  • RH Resolution (%)0.1%
  • Min Temperature (° F)-22
  • Min Temperature (° C)-30
  • Max Temperature (° F)199
  • Max Temperature (° C)100
  • Temperature Accuracy±1.8°F (±1.0°C)
  • Temperature Resolution0.1°
  • Wet BulbYes
  • Response Time30 seconds
  • Display TypeDual LCD
  • Battery1 9V (included)
  • Height (in)7 3/4
  • Width (in)1 5/8
  • Depth (in)1 1/4
  • DescriptionPrecision Thermohygrometer, 0 to 100% RH/, -22 to 199F
  • Warranty1 year
1 Year WarrantyConformite EuropeenneDEW POINT

Key Features

  • 1 year warranty

More About this Item

Precision capacitance humidity sensor offers fast response. Slim design with rubberized sides for better grip and easy, one-handed operation. The dual LCD provides simultaneous display of humidity and temperature, or humidity and dew point, or humidity and wet bulb. Advanced features include data hold, min/max readings, low-battery indication, and auto power off.




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