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A region of the electromagnetic radiation spectrum where wavelengths range from about 700 nm to 1mm

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Why does my infrared thermometer say the sky is at -2 °C?

You are likety to be directly measuring the greenhouse effect of the atmosphere. The fact that your cursory measurements seem to be correlated with the air temperature around you supports this idea: t …
Yojimbo's user avatar
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Would placing a polarized sunglass lens in front of an IR thermometer double its max tempera...

Almost certainly this will not work. Most modern pyrometers, which most digital infrared thermometers are a kind of, are multi-color pyrometers, which means that they measure the ratios of powers rec …
Selene Routley's user avatar