EXTECH HD 550( HYGRO-THERMOMETER+ IRG PP VERSION)

Water vapor in GPP ( grains per pound) / g/ kg ( grams per kilogram)
Built-in InfraRed Thermometer for non-contact temperature measurement to 932° F ( 500° C) with 30: 1 distance to target ratio
Type K Temperature function for contact temperature measurement to 2501° F ( 1372° C)
Highest 2% RH accuracy
Heavy Duty rugged double molded housing with large triple LCD backlit display
Auto power off
Includes Windows® compatible software with USB cable, Type K bead wire temperature probe, built-in stand, hard carrying case, and 9V battery