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orange-cake t1_j5pkl19 wrote

Reply to comment by Appaulingly in Why does hot air cool? by AspGuy25

I've seen laser thermometers that can measure emissivity, are they able to accurately compensate or do you need to know the material?

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MasterPatricko t1_j5pzgt2 wrote

A "laser thermometer" as commonly sold is just a small FoV infrared thermometer with a laser pointer strapped on top. (The exception is very advanced thermometers which use calibrated lasers and optical ranging to measure reflectivity.)

Usually these thermometers accept emissivity as a setting. They don't measure it.

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InfintySquared t1_j5q3tvm wrote

> Usually these thermometers accept emissivity as a setting

That little nugget said more than most of the in-depth answers above. Thank you, you done good.

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