8090 is dual thermometer that combines two precision themometers in one unit: a non-concact infrard thermometer and a thermocouple themometer. This unique thermometer measurement surface temperature with and without contact. Measures internal temperatures with type K thermocouple. With fast response, emissivity of 0.95, field of view of 2:1, it is an ideal range for non-concact accuracy thermometer, provides holds AVG, MIN & MAX values, backlight, ℃ and ℉ selectable, auto power off, and Data Hold. Applications include Refrigeration, Boiler, Pavement, Printer/Copier, HVAC/R, Automotive and Industrial Troubleshooting.