P J Allisy-Roberts et al 2007 Metrologia 44 06006 doi:10.1088/0026-1394/44/1A/06006
P J Allisy-Roberts, D T Burns and C Kessler
Show affiliationsInternational comparisons of air kerma have been made at the Bureau International des Poids et Mesures (BIPM) since 1975. Twenty-one national metrology institutes have taken part, some of which have repeated the comparison over the years. The key comparison reference value (KCRV) is unity, each comparison result being the ratio of the national metrology institute (NMI) evaluation to that of the BIPM standard. The degrees of equivalence between each NMI and the KCRV, and between each pair of NMIs, are given in the form of a matrix, using the most recent published result of the past ten years for each of fifteen NMIs. A graphical presentation is also given.
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 CCRI, according to the provisions of the CIPM Mutual Recognition Arrangement (MRA).
Issue 1A ( 1 January 2007)
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