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CIPM MRA PARTICIPANTS
All data listed in the KCDB have been reviewed and approved within the CIPM Mutual Recognition Arrangement
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CIPM MRA PARTICIPANTS
CMC statistics
Calibration and Measurement Capabilities – CMCs
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Key and supplementary comparisons
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Added keywords act as an additional filter. Keywords separated by a space will be treated by the logical function AND automatically. You may also use OR. Keyword searches also find close matches. Placing quotation marks (") before and after the search word, e.g. "word", will allow for exact matches.

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News
23 NOVEMBER 2022
Fluid flow Supplementary Comparison - EURAMET
The final report of EURAMET.M.FF-S14 has been approved and published in the KCDB. This is a supplementary comparison of calibration method of a 1000 L proving tank in the field of Mass and related Quantities in which 18 state economies participated.
18 NOVEMBER 2022
Hardness Supplementary comparions - APMP
The final reports of the supplementary comparisons APMP.M.H-S5 and APMP.M.H-S6 have been approved and can be consulted in the KCDB. These are comparisons of Brinell and Vickers Hardness, in which 5 state economies participated.
18 NOVEMBER 2022
Low-energy x-rays - BIPM.RI(I)-K2
Publication of the most recent results of BIPM.RI(I)-K2 key comparison of the air-kerma standards of the ARPANSA (Australia)  and the BIPM in low-energy x-rays, completed in July 2022;
17 NOVEMBER 2022
Thermometry - EURAMET
3 new CMCs in Temperature have recently been published in the KCDB for United-Kingdom via EURAMET, in the field of Thermometry.
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Statistics
AFRIMETS APMP COOMET EURAMET GULFMET SIM
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Currently in the KCDB there are
250 CIPM MRA participants
1137 key comparisons
25959 CMCs
665 supplementary comparisons