Comments on Interlaboratory Comparison Around the Country about Standard Platinum Resistance Thermometer in the Range from 0℃ to 419.527℃
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In 2000, the State Bureau of Technical Supervision of China assigned a mission to arrange a standard platinum resistance thermometer comparison among 7 main laboratories in the country. As a pilot lab, the National Institute of Metrology draw up a protocol for the comparison, finished data processing and made commentary. This paper analyzes and comments on the results which had been public in order to find out present situation of realization on ITS-90 in China, so as to direct us to improve our level on realization and maintain of ITS-90 and ensure every main temperature laboratory has accurate dissemination in the range from 0 ℃ to 419.527 ℃.