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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
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.

In case of multiple search, please use ADVANCED SEARCH.
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News
28 OCTOBER 2025
Mass standards - EURAMET
2 revised CMCs in mass measurements have been published in the KCDB for Bulgaria via EURAMET, in the field of Mass and related measurements.
28 OCTOBER 2025
Dimensional metrology - EURAMET
1 revised CMC in dimensional metrology has been published in the KCDB for Finland via EURAMET, in the field of Length.
28 OCTOBER 2025
Supplementary Comparisons in Electricity and Magnetism - EURAMET
The final reports of the supplementary comparisons EURAMET.EM-S46 and EURAMET.EM-S47 have been published in the KCDB. These comparisons in high voltage and current measurements were piloted by VTT Technical Research Centre of Finland Ltd, Centre for Metrology/Mittatekniikan keskus (MIKES) Finland, with participants from 5 state economies.
24 OCTOBER 2025
Dosimetry - GULFMET
1 new CMC in X-ray dosimetry has been published in the KCDB for the United Arab Emirates via GULFMET, in the filed of Ionizing Radiation.
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Statistics
AFRIMETS APMP COOMET EURAMET GULFMET SIM
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Currently in the KCDB there are
258 CIPM MRA participants
1243 key comparisons
26498 CMCs
755 supplementary comparisons