Infrared K-Thermometer Model CA876 7CHAPTER 3SPECIFICATIONS3.1 Environmental Specifications3.1.1 INFRAREDTemperature Scale:Celsius (°C) or Fahrenheit (°F) user-selectableTemperature Range:-4°F to 1022°F (-20°C to 550°C)Display Resolution:1°F / 1°CAccuracy:< 212°F (100°C) ± 10°F (5°C)> 212°F (100°C) ± 2% of Reading or ± 6°F (3°C), whichever is greater @64.4 to 82.4°F (18 to 28°C) ambient operating temperature.Temperature Coefficient:Changes in accuracy operating temperature above 82.4°F/28°C or below64.4°F/18°C: ±0.2% of Reading or ± 0.36°F/0.2°C, whichever is greater.Response Time:1 secondLaser:Red, <0.5mW (670nm) Class II, 2 - 50 ft rangeSpectral Response:6 to 14μm nominalEmissivity:Pre-set @ 0.95, user-selectable from 0.10 to 1.00Detection Element: ThermopileOptical Lens: Fresnel Lenswww. .com information@itm.com1.800.561.8187