Extech RH390 Precision Dual Display Hygro Thermometer Psychrometer

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.

• Fast response time (<30 seconds)
• Dual backlit display
• Simultaneous display of: Humidity/Temperature, Humidity/Dew Point or 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

• 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: 7.8"x1.7"x1.3" (200x45x33mm)
• Weight: 7oz (200g)