Temperature range-30°C to 650°C (-22°F to 1202°F)Accuracy±1.0°C or ±1.0% of reading, whichever is greater-10°C to 0°C: ±2.0-30°C to -10°C: ±3.0Response time (95%)< 500 ms (95% of reading)Spectral response8 to 14 micronsEmissivity0.10 to 1.00Optical resolution12:1 (calculated at 90% energy)Display resolution0.1°C (0.2°F)Repeatability of readings±0.5% of reading or <±0.5°C (1°F), whichever is greaterPowerAA batteryBattery life8 hours with laser and backlight onPhysical SpecificationsWeight255 g (8.99 oz)Size175 x 85 x 75 mm (6.88 x 3.34 x 2.95 in)Operating temperature0°C to 50°C (32°F to 122°F)Storage temperature-20°C to 60°C (-4°F to 140°F), (without battery)Operating humidity10% to 90% RH non-condensing at 30°C (86°F)Operating altitude2000 meters above mean sea levelStorage altitude12,000 meters above mean sea levelIP ratingIP 54 per IEC 60529Drop test3 metersVibration and shockIEC 68-2-6 2.5 g, 10 to 200 Hz, IEC 68-2-27, 50 g, 11 msElectromagnetic complianceIEC 61326-1: Portable electromagnetic equipmentSafetyIEC 61010-1: Pollution degree 2IEC 60825-1: Class 2