Benetech GM550E Non-contact 12:1 Digital Infrared IR Thermometer Laser Temperature Gun Tester Range -50~550?? (-58~1022¨H)

The meter is used for measuring the temperature of the object's surface、 which is applicable for various hot、 hazardous or hard-to-reach objects without contact safely and quickly. The unit consists of optics、 temperature sensor signal amplifier、 processing circuit and LCD display.
Features:
Measurement range: -50~550 (-58~1022)
Object distance to spot size: 12:1
Max / min / average / difference value reading
Emission rate: 0.10-1.00 adjustable(0.95 preset)
LCD backlight display
/ unit selectable
Auto power off and data hold
Laser on/off selectable
High / low temperature alarm set

Specifications:
Measurement range: -50~550 (-58~1022)
Accuracy: 0~550(32~1022)、 ?à1.5% or ?à1.5(?à2.7); -50~0(-58~32)、?à3(?à5)、 whichever is greater
Resolution: 0.1 /
Repeatability: ?à1% of reading or 1
Response time: 500 ms、 95% response
Spectral response: 8-14um
Emission rate: 0.10-1.00 adjustable(0.95 preset)
Object distance to spot size: 12:1
General Specifications:
Operating temperature/humidity: 0~40(32~104)、 10~95%RH
Storage temperature: -20~60(-4~140)
Power Supply: 1 * 9V/6F22 battery (not included)
Item Size: 14.5 * 10 * 4cm / 5.7 * 4 * 1.7in
Item Weight: 134g / 5.36oz
Package Size: 21 * 16 * 4.5cm / 8.4 * 6.2 * 2in
Package Weight: 176g / 6.2oz
Package List:
1 * Digital Infrared Thermometer
1 * English Manual"