Extech 42570-NISTL with Limited NIST Certificate

High 50:1 distance to target ratio measures smaller surface areas at greater distances Dual Laser Targeting indicates ideal measuring distance when two laser points converge to 1 target spot IR Temperature range: -58 to 3992°F (-50 to 2200°C) Type K thermocouple input from -58 to 2498°F (-50 to 1370°C) White backlit multifunction LCD display with bargraph Fast 100 millisecond response time MAX/MIN/AVG/DIF feature displays highest, lowest, average, and MAX minus Min values Adjustable emissivity increases measurement accuracy for different surfaces Adjustable High/Low set points with audible alarm alerts user when temperature exceeds the programmed set points USB interface Double molded housing > Each Unit Includes Type K Temperature probe USB cable and software Carrying case 9V battery NIST Certificate