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CIPM MRA PARTICIPANTS
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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
23 OCTOBER 2026
Key comparison in gases - CCQM
The Final report of the key comparison CCQM-K174 has been published in the KCDB. This is a comparison on methanol, ethanol and acetone in air, coordinated by VSL Netherlands  in which 6 state economies participated.
23 OCTOBER 2026
Dimensional metrology - APMP
A new CMC in dimensional metrology has been published in the KCDB for India via APMP, in the field of Length.
21 OCTOBER 2026
Dimensional metrology - APMP
A new CMC in dimensional metrology has been published in the KCDB for India via APMP, in the field of Length.
21 OCTOBER 2026
Inorganic analysis - SIM
4 new CMCs in inorganic analysis have been published in the KCDB for Argentina via SIM, in the field of Chemistry and Biology.
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Statistics
AFRIMETS APMP COOMET EURAMET GULFMET SIM
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Currently in the KCDB there are
263 CIPM MRA participants
1288 key comparisons
26438 CMCs
783 supplementary comparisons