The Extech Digital Psychrometer and Probe and calculates humidity, wet bulb, and dew point. The unique sensor cap closes for protection during transport and storage.

Features:

• Simultaneous display of %RH, temperature and dew point, wet bulb or probe temperature
• Calculates T1-T2 differential (air temperature-external probe temperature) using external probe
• Unique sensor cap design twists to closed position for protection during storage
• Switchable °F/°C temperature units with 0.1° resolution
• Data hold freezes current reading on display
• Max/Min readings
• Auto power off to save battery life
• Complete with 2 AAA batteries
• External temperature probe (TP890)

Applications:

• HVACR
• Clean rooms
• Drying rooms
• Greenhouses
• Soil
• Food & textile industry use
• Humidity monitoring in schools, offices and manufacturing or storage areas
• Whenever wet bulb, dew point, humidity and temperature need to be monitored

Spec Summary:

Humidity:	0 to 100%RH
Temperature (internal):	-4 to 122°F
Temperature (external):	-4 to 158°F
Dew Point:	-90.4 to 122°F
Wet Bulb:	-6.9 to 122°F
Dimensions:	7" x 1.9" x 1"
Weight:	3.3 oz.

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