Measures relative humidity instantly Wet/dry bulb readings with a single selector switch Hold feature Readings to one-tenth (0.1) degree Designed for true go-anywhere portability 15-seconds of gentle waiting to get reading

The most accurate evaporative type psychrometer electronically measures relative humidity. Readings can be taken in 15 seconds. Hold locks reading while the probe is still in motion eliminating errors due to changes while reading. Has a low-battery indicator. Pocket sized with belt clip. Designed for all areas where accurate air, relative humidity and dew point temperatures must be taken.

Atmospheric humidity may be determined quickly and accurately even in air ducts, corners, and small or cramped spaces. Powered by a standard 9V battery provides 1000-hour battery life. The probe handle holds 1 ounce of water, sufficient for a period of 30-days of daily use.

Model 622  Digital Psychrometer
Available for purchase on Abbeon.com