Features 1、Infrared thermometer, the emissivity is adjustable between 0.1‑1.00, and the response is fast. 2、High‑accuracy temperature measurement, the measurement range is 200‑2200℃ (392‑3992℉). 3、With RS232 interface and supporting analysis software, it is easy to connect and use. 4、Using non‑contact measurement, the object‑to‑distance ratio is 80:1, which is safe and dependable. 5、Hand‑held thermometer, small size, easy to carry, suitable for industrial temperature measurement. Specification Item Type: Thermometer Material: ABS Model: GM2200 Battery: 1 x 9V 6F22 Battery (Battery Not Included) Purpose: Industrial Temperature Measurement Measuring Range 200-2200℃ (392-3992℉) Accuracy 200℃ (392℉)-450℃ (842℉): ±2℃ or ±2% 450℃ (842℉)-1100℃ (2012℉): ±3℃ or ±3% 1100℃ (2012℉)-2200℃ (3992℉): ±4℃ or ±3% Repeatability 1% of reading or 1℃ Response Time 500mSec, 95% response Response Wavelength 900-1700nm Emissivity 0.1-1.00 adjustable (default 0.95) Temperature Operating Range 0-40℃ (32-104℉) Relative Humidity 10-80%RH non-condensing Storage Temperature -20-60℃ (-4-140℉) ≤85% Object Distance Ratio 80:1 Package List 1 x Infrared Thermometer (Battery Not Included) 1 x RS232 Connection Line 1 x Toolbox 1 x Manual