液体密度单位国家计量标准:结构、计量特性及工作原理

Yrii Kuzmenko, Liudmyla Ovchar, Volodymyr Gavrylkin, Oleksandr Melnykov, Yunona Kyrychenko, Nataliia Butkovska, Viktoriia Shvedova, Yehor Sedliarov, Kostiantyn Firsov
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引用次数: 0

摘要

介绍了液体密度单位国家一级计量标准的结构、组成、工作原理及计量特点。本计量标准通过参考程序实现了液体密度单位,为其他液体密度单位计量标准的比较和计量溯源提供了依据,使其有可能获得国家一级标准地位。通过对其他国家主要计量标准(国际计量局KCDB的cmc线基于重点和补充比较)的精度特性分析,可以证明其较高的计量地位,并为建立其与其他国家类似计量标准的计量等效性启动国际比较。分析了液体密度测量的测量标准操作算法(加权比较模式)和造成测量不确定度预算的不确定度来源,从而使测量结果能够按照国际公认的要求提交。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
National measurement standard of liquid density unit: structure, metrological characteristics, and operation principles
The article presents the structure, composition, operation principle, and metrological characteristics of the national primary measurement standard of liquid density unit. This measurement standard realizes the liquid density unit by reference procedure and is the basis for comparison and metrological traceability for other measurement standards of liquid density unit, that made it possible to give it the national primary standard status. Based on accuracy characteristics analysis of primary measurement standards from other countries (CMC-lines from the KCDB of the International Bureau of Weights and Measures based on key and supplementary comparisons), it is possible to prove its high metrological status and initiate international comparisons for establishing its metrological equivalence to the analogical measurement standards from other countries. Measurement standard operation algorithms (in weighting and comparing mode) and uncertainty sources contributing to the uncertainty budget of liquid density measurement, which make it possible to submit measurement results according to established international requirements, are analyzed in the publication.
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