These handheld tools measure surface temperature using infrared energy, giving you instant, contact-free readings with a simple trigger pull. In industrial settings, infrared thermometers help diagnose overheating motors, verify HVAC system performance, and even detect insulation leaks or electrical hotspots. The Best Infrared ThermometersBest Overall:Best Budget:Best Rechargeable:Most Compact:Best With Detachable Probe:What to ConsiderTemperature RangeFor cooking, a range from -5o degrees Fahrenheit to 700 degrees is typically sufficient. EmissivityAdjustable emissivity refers to the ability to fine-tune the emissivity setting on an infrared thermometer to match the specific material being measured, enhancing accuracy. This ratio is important because it determines the accuracy of temperature readings, especially for small objects or distant surfaces.