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1概述随着2013年贵金属热电偶新规程的宣贯,计量系统各检定人员应该根据自身实验室情况对贵金属热电偶不确定度进行一次重新评定,以下是本人进行的一次重新评定,并根据实际增加部分不确定度分量。1.1测量依据:JJG141-2013《工作用贵金属热电偶检定规程》。1.2计量标准:计量标准器为一等标准铂铑10-铂热电偶,温度范围(419.527~1084.62)℃,主要技术指标如下表:
1 Overview With the publicity of the new procedures for precious metal thermocouples in 2013, all accreditation personnel of a metrology system should conduct a re-evaluation on the uncertainty of precious metal thermocouples according to their own laboratory conditions. The following is a re-evaluation conducted by me and based on actual Increase part of the uncertainty component. 1.1 Measurement basis: JJG141-2013 “work with precious metal thermocouple test procedures.” 1.2 Metrology standards: Metrology standard first-class standard platinum and rhodium 10-platinum thermocouple, temperature range (419.527 ~ 1084.62) ℃, the main technical indicators are as follows: