T P Jones and J Tapping
CSIRO Division of Applied Physics, National Measurement Laboratory, Lindfield, Australia 2070
T P Jones and J Tapping 1988 Metrologia 25 41
The thermodynamic temperatures of the silver, gold and copper-silver eutectic fixed points were measured with a photoelectric pyrometer relative to an aluminium point of 660.302 °C. The values obtained were (961.744 ± 0.055) °C, (1064.145 ± 0.060) °C and (779.583 ± 0.060) °C respectively. Although the final uncertainty of the copper-silver eutectic was similar to that of the other two, the effort necessary to obtain it was much greater and it is not recommended as a major reference point for use in photoelectric pyrometry.
85.60.-q Optoelectronic devices
Issue 1 (1988)
Received 18 August 1987
T P Jones and J Tapping 1988 Metrologia 25 41
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