SIM.T-K9.3: Standard platinum resistance thermometer ITS-90 realizations from the Hg triple point to the Zn freezing point

IF 2.1 3区工程技术 Q2 INSTRUMENTS & INSTRUMENTATION

Metrologia Pub Date : 2024-03-13 DOI:10.1088/0026-1394/61/1a/03002

Klaus N Quelhas, Bruno M Lozano, Francis Hamilton

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引用次数: 0

Abstract

Main textThis report shows the results of a bilateral comparison of temperature standards between Instituto Nacional de Metrologia, Qualidade e Tecnologia (Inmetro, Brazil), and Trinidad and Tobago Bureau of Standards (TTBS, Trinidad and Tobago), carried out between January and July of 2020. The measurands of this comparison were the W(t₉₀) ratios of two Standard Platinum Resistance Thermometers (SPRTs), used as transfer standards, measured at the zinc freezing point (Zn FP, 419.527 °C), tin freezing point (Sn FP, 231.928 °C), gallium melting point (Ga MP, 29.7646 °C), triple point of water (TPW, 0.01 °C) and mercury triple point (Hg TP, -38.8344 °C).To reach the main text of this paper, click on Final Report. Note that this text is that which appears in Appendix B of the BIPM key comparison database https://www.bipm.org/kcdb/.The final report has been peer-reviewed and approved for publication by the CCT, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA).

查看原文本刊更多论文

SIM.T-K9.3：从汞的三相点到锌的凝固点的标准铂电阻温度计 ITS-90 实测值

正文本报告展示了巴西国家计量、质量和技术研究所（Inmetro，巴西）与特立尼达和多巴哥标准局（TTBS，特立尼达和多巴哥）在 2020 年 1 月至 7 月期间进行的温度标准双边比对的结果。此次比较的测量值是两个标准铂电阻温度计 (SPRT) 的 W(t90) 比率，用作转移标准，分别在锌凝固点 (Zn FP, 419.527 °C) 、锡凝固点 (Sn FP, 231.928 °C）、镓熔点（Ga MP，29.7646 °C）、水的三相点（TPW，0.01 °C）和汞的三相点（Hg TP，-38.8344 °C）。请注意，该文本是出现在 BIPM 关键对比数据库附录 B 中的文本 https://www.bipm.org/kcdb/.The 根据 CIPM 互认安排 (CIPM MRA) 的规定，最终报告已经过同行评审，并获准由 CCT 出版。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Metrologia 工程技术-物理：应用

CiteScore

2.80

自引率

25.00%

发文量

137

审稿时长

12 months

期刊介绍： Published 6 times per year, Metrologia covers the fundamentals of measurements, particularly those dealing with the seven base units of the International System of Units (metre, kilogram, second, ampere, kelvin, candela, mole) or proposals to replace them. The journal also publishes papers that contribute to the solution of difficult measurement problems and improve the accuracy of derived units and constants that are of fundamental importance to physics. In addition to regular papers, the journal publishes review articles, issues devoted to single topics of timely interest and occasional conference proceedings. Letters to the Editor and Short Communications (generally three pages or less) are also considered.