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Optical Pyrometers (Disappearing Filament Pyrometer)
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written 8.9 years ago by
teamques10
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• modified 8.9 years ago |
• In this type of pyrometer, the tungsten filament of an electric bulb is used as a radiator.
• The intensity of radiation of filament is compared with the intensity of the radiation of the hot surface.
• When both intensities match, the filament disappears against the background.
• The …
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