Highest 2% RH accuracy with fast 30 seconds Response Time

Measure humidity and temperature simultaneously with the RH390 Precision Psychrometer from Extech. A dual-illuminated readout can be alternated to display wet bulb and humidity, or dew point and humidity, or temperature and humidity. This handheld device registers temperatures from -22 degrees to 199 degrees F (-30 degrees to 100 degrees C) and measures the full spectrum of relative humidity with ±2% accuracy between 20 and 90% RH. Complete with carrying case and 9V battery.

Precision Psychrometer Features:

• Fast response time (<30 seconds)
• Dual backlit display
• Simultaneous display of: Humidity/Temperature, Humidity/Dew Point or Humidity/Wet Bulb
• Data Hold and Min/Max functions

Specifications                                      Range 390
Humidity                                              0 to 100%RH
Temperature (Internal)                   -22 to 199°F (-30 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                                       7.8x1.7x1.3" (200x45x33mm)
Weight                                                7oz (200g)

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