How is the temperature of things such as plasmas, arcs, and flames measured?
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How is the temperature of things such as plasmas, arcs, and flames measured? Generally, high temperatures exceeding 2,000 degrees Celsius are measured using radiometric temperature measurement, which is a non-contact method. Ultra-high temperatures such as those in plasmas can be detected using the Alexander effect spectroscopic high-temperature method, by utilizing the relationship between \"temperature, spectrum, and color angle\".
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