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How do infrared (IR) thermometers work?

April 26, 2017infrared IR thermometers

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How do infrared (IR) thermometers work?

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All objects emit infrared energy. The hotter an object is, the more active its molecules are, and the more infrared energy it emits. An infrared thermometer houses optics that collect the radiant infrared energy from the object and focus it onto a detector. The detector converts the energy into an electrical signal, which is amplified and displayed.