• Temp. Range: -4 to 122˚F (-20 to 50˚C)
• RH% Range: 0 to 100% RH
• Wet Bulb Range: -6.88 to 122˚F (-21.6 to 50.0˚C)
• Dew Point Range: -109.7 to 122˚F (-78.7 to 50.0˚C)

The Mastercool 52233 Digital Psychrometer has a rotating cap to protect the sensor, LCD digital display, data hold to capture readings, low battery indicator, min / max record function and auto power off with disabling capability. This pocket-sized unit provides fast, accurate readings with reliable microprocessor circuitry.