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Bilateral comparison of 1 Ω and 10 kΩ standards (ongoing BIPM key comparisons BIPM.EM-K13.a and 13.b) between the CMI (Czech Republic) and the BIPM

Rolland, B ; Fletcher, N ; Kučera, J ; Chrobok, P ; Voj´čkov´, L

Metrologia, 2017-01, Vol.54 (1A), p.1007 [Periódico revisado por pares]

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  • Título:
    Bilateral comparison of 1 Ω and 10 kΩ standards (ongoing BIPM key comparisons BIPM.EM-K13.a and 13.b) between the CMI (Czech Republic) and the BIPM
  • Autor: Rolland, B ; Fletcher, N ; Kučera, J ; Chrobok, P ; Voj´čkov´, L
  • É parte de: Metrologia, 2017-01, Vol.54 (1A), p.1007
  • Descrição: This report gives the result of a bilateral comparison of resistance between the CMI (Czech Republic) and the BIPM carried out in 2015. Two 1 Ω and two 10 kΩ travelling standards belonging to the BIPM were used. The comparison was carried out with an 'A-B-A' pattern of measurements; the standards were measured first at the BIPM for a period of about one month, then for a similar period at the BIM, and finally again at the BIPM. The measurand was the 4 terminal dc resistance at low power. The BIPM was the pilot laboratory, and the comparison forms part of the ongoing BIPM key comparisons BIPM.EM-K13.a (for 1 Ω) and BIPM.EM-K13b (for 10 kΩ). The results from the CMI and the BIPM were found to be in good agreement, with a difference smaller than the relative expanded uncertainty (95% confidence, k = 2) of 0.046 × 10 -6 for 1 Ω and 0.034 × 10 -6 for 10 kΩ. Main text 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 kcdb.bipm.org/ . The final report has been peer-reviewed and approved for publication by the CCEM, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA).
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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