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Extech 42510: Mini IR Thermometer

8:1 Compact IR thermometer with wide temperature range

The 42510 is a Wide Range Mini IR Thermometer. Meter measures non-contact surface temperature up to 1000°F and as low as -58°F (-50 to 538°C). Audible and visible over range indicators. 8:1 distance to target ratio with a built-in laser pointer for easy targeting. Complete with 9-Volt battery and carrying case.



  • Wide temperature range: -58 to 1000°F (-50 to 538°C)
  • Built-in laser pointer for easy targeting
  • Audible and visible overrange indicators
  • Large backlit LCD display
  • High resolution of 0.1° up to 199.9°
  • Fixed 0.95 emissivity covers 90% of surface applications
  • Automatic Data Hold when trigger released
  • Auto power off


Specifications Range
Range -58 to 1000°F (-50 to 538°C)
Basic Accuracy ±2% of reading or ±4˚F/±2˚C (whichever is greater)
Max. Resolution 0.1°F/°C; 1°F/°C
Emissivity 0.95 fixed
Field of View (Distance to Target) 8:01
Dimensions 3.2×1.6×6.3″ (82x42x160mm)
Weight 6.4oz (180g)


42510 English Datasheet

42510 English User’s Manual

42510 CE Declaration of Conformity