UNI T UT303a Handheld Non Contact Digital Laser Infrared Thermometer Temperature Meter -32℃ - 800℃ Condition: Item Type: Infrared Thermometer Material: ABS Basic Functions Range Basic Accuracy UT303A+ Temperature Measurement (℃) -32-800°C ≥0℃:±1.5℃ or ±1.5% of the reading, take the larger value. <0℃: ±(1.5℃+0.1℃/℃) Temperature Measurement (℉) -25.6℉-1472℉ ≥32℉:±3.0℉ or ±1.5% of the reading, take the larger value. <32℉: ±(3.0℉+0.1℉/℉) Temperature Coefficient 0.1℃ / ℃ (0.1℉/℉) or ± 0.1% of the reading per degree, take the larger value Repeatability ±0.7°C or ±0.7% takes a larger value (1.5℉ or 0.7% takes a larger value) Special Function Optical Resolution 30:1 Emissivity 0.1-1.0 (Adjustable, 5 sets of preliminary values can be set) Response Time 250ms Spectrum Response 8um-14um Automatic Shut-Down Support Low Voltage Display Support LCD Display TN Positive Display Digital Retention Support Unit Conversion (℃/℉) Support Maximum/Minimum/Average/Difference Support Lock Measurement Support High and Low Temperature LED Alarm Support High and Low Temperature Sound Alarm Support Backlight Support Laser Support Operating Temperature 0℃-50℃ (32℉-122℉) Storage Temperature -20℃-60℃ (-4℉-140℉) Working Humidity <Rh90% (Non-Condensing) Drop Test 1m / 3.3ft General Characteristics Power Supply 9V Alkaline Battery (1604A) (Battery Not Included) LCD Size 35x35mm / 1.4x1.4in Color Red + Gray Weight 1085g / 38.3oz Size 179x126.50x53mm / 7.0x5.0x2.1in