Digital Infrared Thermometer Non-contact Pyrometer Laser Temperature Meter Termometer Imager Hygrometer LCD Display Industrial IR Termometro This digital non-contact infrared thermometer is a reliable industrial temperature measuring gun used to measure the surface temperature of an object safely and quickly in le than a second. Can be widely used in oil and chemical industry, railway, electricity, textile proceing, etc. Please note: only for industry, not Suitable for human body temperature measuring 1.Digital color LCD display with backlight, convenient to read at night. 2.Safely measure surface temperature of hot, hazardous or hard-to-reach objects without contact. 3.Wide Measuring Range, high performance and high accuracy. 4.Includes data locking, switchable laser positioning & auto power off function. 5.Switchable temperature units: Celsius(C) and Fahrenheit(F). 6.Low battery indication and laser indication functions. 7.Widely used for measuring the temperature of the object's surface. Measuring Range(AE320 ST390+):-50 C to 390C/-58F-734F Measuring Range(ST490+):-50 C to 490C/-58F-914F Accuracy(ST390+ ST490+): -50C(-58F) to 0 C(32F)2C 0C(32F) to 100C(212F)1.5C 100C here in before2C or 2% whichever is greater High Low Temp. Alarm: only for ST490+ Emiivity(pre-set 0.95):0.10~1.00 adjustable only for ST490+ Distance to spot size:12:1 Spectral response:8-14 um & 500mSec Repeatability:1%of reading or 0.1C Celsius/Fahrenheit unit switch:Yes Laser Points:13 Points on ST390+ ST490+, one laser point for AE320 Ambient operating range:0 to 40C (32F to 104F) Relative humidity:10-95% RH noncondensing Storage temperature:-20 to 60C (-4Fto 140F) Data Hold function:Yes Laser pointer hot spot location:Yes Auto power off function:Yes Power:2*1.5V AAA battery (not included) Packing Contents 1pc Infrared thermometer 1pc user manual 1pc Gift box Item pictures for AE320 Item pictures for ST390 ST490