Why does a Total Radiation Pyrometer typically only measure temperatures above 800°C?

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Physics · Pyrometer

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Objects below that temperature do not emit sufficient thermal radiation.

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Answer 1

800°C is the boiling point of the pyrometer's liquid.

Answer 2

Objects below that temperature do not emit sufficient thermal radiation.

Answer 3

Materials at low temperatures emit too much radiation.

Answer 4

Instruments cannot withstand lower temperatures.

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