Extech RH390 Psychrometer, 199°F Max, ±1.8 °F Accuracy, Backlit LCD Display, Battery-Powered

The FLIR Precision Psychrometer is a handheld device that measures humidity and temperature simultaneously with great accuracy. Ideal for a wide range of applications, this psychrometer provides reliable and precise data for professional use.

Dual-illuminated readout for easy viewing
Accuracy within ±2% for Relative Humidity
Wide temperature range from -22°F to 199°F
Compact and portable design for on-the-go measurements