Psychrometer – Displays Temperature, Humidity, Dew Point, and Wet Bulb EP8709

An upgraded model from the EP8703 Hygrometer, EP8709 adds features for your specific measurement needs.

On site calibration for measurement accuracy.

Digital Psychrometer Features:

• Jumbo backlit display with double readout
• Field calibratable using optional 33% HR33LJ and 75% HR75LJ salts
• Data hold and Max/Min buttons
• Also calculates and displays wet bulb temperature
• °F/°C switch
• 20-minute Auto Power Off (can be disabled for calibration) 
• Low battery indicator  

Digital Psychrometer Specifications:

Ambient Temperature Measurement Range:  14° to 122°F
Ambient Temperature Measurement Accuracy/Resolution:  ±1.8°F
Temperature Measurement Resolution:  0.1°

Relative Humidity Measurement Range:  0 to 99.9%
Relative Humidity Measurement Accuracy:  ±3% from 5% to 95% RH
Relative Humidity Measurement Resolution:  0.1%
Relative Humidity Response Time:  <80 seconds

Current Consumption:  <15mA
Battery Life:  60 hours (typical)
Dimensions:  7.56 x 2.40 x 1.57 in.
Weight (without battery):  3.77 oz.
Power Source:  1 “9V” battery (included)

Digital Psychrometer EP8709 Includes:

• Sensor Protection Cap
• “9V” Battery
• User’s Manual

One Year Limited Manufacture's Warranty