Noise Thermometry in the Range 630-962°C
1978
A noise thermometer has been developed at IMGC and has been used to realize the Thermodynamic Scale (TS). Differences between TS, as realized at IMGC, and the IPTS-68 were determined in the range 630-962°C and the results are presented. The discussion of results primarily deals with the factors introducing measurement uncertainties and with the comparison of noise thermometer results with those of recent radiation thermometry and gas thermometry experiments. Data fitting provides the TS versus IPTS-68 differences as a continuous function of the Celsius temperature in the range 630-1064°C. For this, data from monochromatic pyrometry experiments are taken into account in order to cover the range from the freezing point of silver to the freezing point of gold.
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