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A pyrometer, or radiation thermometer, is a type of remote sensing thermometer used to measure the temperature of distant objects. Various forms of pyrometers have historically existed. Various forms of pyrometers have historically existed.
The disappearing-filament pyrometer is an optical pyrometer, in which the temperature of a glowing incandescent object is measured by comparing it to the light of a heated filament. [ 1 ] [ 2 ] [ 3 ] Invented independently in 1901 by Ludwig Holborn and Ferdinand Kurlbaum in Germany and Everett Fleet Morse in the United States, [ 1 ] it was the ...
Louis-Bernard Guyton de Morveau used his pyrometer to evaluate the temperature scale of Wedgwood and came to the conclusion that the starting point should be significantly lower, at 517 °F (269 °C) instead of 1,077.5 °F (580.8 °C), and that the steps should be nearly halved from 130 °F (72 °C) to no more than 62.5 °F (34.7 °C). However ...
Pyrometric devices gauge heatwork (the combined effect of both time and temperature) when firing materials inside a kiln.Pyrometric devices do not measure temperature, but can report temperature equivalents.
1864 — Henri Becquerel suggests an optical pyrometer; 1866 — Thomas Clifford Allbutt invented a clinical thermometer that produced a body temperature reading in five minutes as opposed to twenty. [14] 1871 — William Siemens describes the Resistance thermometer at the Bakerian Lecture; 1874 — Herbert McLeod invents the McLeod gauge
An infrared thermometer is a kind of pyrometer . All objects above absolute zero emit blackbody radiation for which the spectra is directly proportional to the temperature. This property is the basis for a pyrometer or infrared thermometer and thermography. It has the advantage of remote temperature sensing; it does not require contact or even ...
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