Portable Infrared Calibrator 95 Degrees to 932 Degrees F (35 Degrees to 500 Degrees C) Temp Accuracy +/-0.35 Degrees F @ 35 Degrees F +/-0.63 Degrees F @ 95 Degrees F +/-1.60 Degrees F @ 500 Degrees F +/-2.9 Degrees F @ 932 Degrees F Target Emissivity 0.95 Display LCD Target Size 6 in (152.4 mm) Temp Stability +/-0.09 Degrees F @ 95 Degrees F +/-0.72 Degrees F @ 932 Degrees F Heating Time 20 min. Cooling Time 40 min. Calibration Certificate NIST