Term: pyrometer
Literally
meaning: “meausure of fire”
Origin: Anc Greek
πυρ/pyr(=fire, redish)
+μέτρον/metron (=meausure)
Coined/History
The first pyrometer was invented by English potter
Josiah Wedgwood (1730-1795) in order to measure the temprature inside the
kilns. Prior Wedgwood’s device the kiln
men were based on their judgment that wares were successfully fired. Wedgwood
matched fired clay cylindres with those fired at known temperature ranging in
colour.
Definition
Pyrometer is a scientific instrument for measuring heat as thermometer, but pyrometer is usually used for
extremely hot objects. There are radiation pyrometers that measure the
radiation the objects give off and optical onew which measure visible light
emitted by the hot objects. The process
of this measurement is called “pyrometry” .
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