IR Measurement Range: -60 to 1000°C (-76 to 1832°F). IR Accuracy: ± 1°C (1.8°F): Object Temp. = 15 to 35°C, Ambient Temp. = 25°C; ± 2% of reading or ±2°C ( ±4°F) whichever is greater. Object Temp. = -33 to 1000°C. Ambient Temp. = 23±3°C. Type K Thermometer range: -64 to 1400°C (-83.2 to 1999°F). Type K Thermometer accuracy: ±1% of reading or ±1°C (±1.8°F), Test under T ambient = 23±5°C. Resolution: 0.1°C/0.1°F. <1,000°C/<1,000°F; 1°C/1°F. ≥1,000°C /≥1,000°F. Measurement Wavelength Region: 8 to 14μm. Sampling Time: Approx. 0.7 second. Operating Temperature: 32 to 122°F/0 to 50°C. Operating Humidity: Less than 80%RH.