Infrared Thermometer Temp Range (F) - Infrared -58 Degrees to 1922 Degrees Temp Range (C) - Infrared -50 Degrees to 1050 Degrees Focus Spot Size and Distance - Infrared 1 in @ 20 in Temp Accuracy (C) - Infrared +/-2.5 Degrees From -50.0 Degrees to 20.0 Degrees +/-1.0 Percent of Reading or +/-1.0 Degrees Whichever is Greater from 20.0 Degrees to 300.0 Degrees +/-1.5 Percent of Reading from 300.0 Degrees to 1050.0 Degrees