Extech HD500-NISTL Psychrometer, 932°F Max, ±4 °F Accuracy, Backlit LCD Display, Battery-Powered

The FLIR Psychrometer with Infrared Thermometer is a versatile 3 in 1 tool that combines a humidity meter, type K thermometer and infrared thermometer functions. With a large triple LCD backlit display and built-in USB port, this tool is perfect for a variety of temperature measurement applications.

Minimum/maximum, data hold, and auto power off functions for convenience
Comes with a 3 year warranty and Windows compatible software