This pocket digital psychrometer is a must have for every HVACR professional. Wet bulb, dry bulb, dew point, and %RH are shown on the backlight, dual display, and measurements can be taken either in the duct, or ambient.

Features:
Ultra bright backlight
The PRH2 runs on a single AA-battery that lasts up to 100 hours.
2" long tip for insertion into ductwork

Measures:
Wetbulb
Dewpoint
Relative Humidity
Temperature