作者: Graham Peter Spurge , Roger Ernest King
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摘要: A radiation pyrometer assembly and method for sensing the temperature of an elongate body, such as metal strip, moving longitudinally in direction its length includes a spray gun which deposits narrow stripe (5) black paint uniform emissivity, upon one surface strip it moves towards station. The station calibration (6) arranged to view once has reached strip. accuracy apparatus may be improved by provision process control (7) directed opposite, un-painted (1) combined readings from two pyrometers allow correction otherwise unpredictable errors