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Extech IR300UV: IR Thermometer with UV Leak Detector

Professional 4-in-1 Infrared Thermometer with UV Leak Detector and LED Flashlight

Professional 4-in-1 Thermometer features a non-contact Infrared Thermometer, UV Leak Detector, bright Flashlight, and a unique coaxial Distance-to-Spot guidance laser. This combination meter helps you take quick temperature readings on unsafe surfaces while the circular laser shows you the area being measured to maintain accurate measurement distance. Its UV light easily reveals refrigerant leaks in combination with a standard UV dye (not included) on AC units, pipes, and automotives. Convenient built-in bright flashlight will help you do your job in dark environment.



  • Non-contact IR Thermometer measures temperature up to 932°F (500°C)
  • UV Leak Detector with 5 UV/Blue LEDs (460-470nm)
  • Coaxial laser displays a circular representation of the target area
  • Programmable High/Low Temperature set points with audible and visual alarm
  • Adjustable emissivity for better accuracy on different surfaces
  • MAX/MIN/AVG/DIF displays highest, lowest, average, and Max minus MIN values
  • Bright flashlight with 5 white LEDs
  • Automatic data hold when trigger is released
  • Auto power off
  • Complete with three AA batteries


Specifications Range
IR Temperature -22 to 932°F (-30 to 500°C)
Resolution 0.2°F, 0.1°C
Accuracy ±1.5% rdg or ±3°F/±1.5°C whichever is greater
Distance to Target ratio 12:1
Emissivity 0.10 to 1.00 (adjustable)
Repeatability ±0.8% rdg or ±2°F/±1°C whichever is greater
Dimensions 4.1 x 2.1 x 7.3″ (104 x 54 x 185mm)
Weight 10.6oz (300g)


IR300UV English Datasheet

IR300UV English User’s Manual

IR300UV CE Declaration of Conformity