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Comparison of the Josephson Voltage Standards of the NIST and the BIPM (part of the ongoing BIPM key comparison BIPM.EM-K10.b)

S Solve1, R Chayramy1, M Stock1, Yi-hua Tang2 and June E Sims2

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KEY COMPARISON

A comparison of the 10 V Josephson array voltage standard of the Bureau International des Poids et Mesures (BIPM) was made with that of the National Institute of Standards and Technology (NIST), USA, in March 2009. For this exercise, three different measurement methods were carried out: the two different options of the BIPM.EM-K10.b comparison protocol as well as the measurement protocol applied by NIST. The results of both participants are in very good agreement and the overall relative standard uncertainty is 9.5 parts in 1011.

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 (MRA).


Dates

Issue 1A (Technical Supplement 2009)



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