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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
3 NOVEMBER 2026
Key comparison in thermometry - SIM
The Final report of the key comparison SIM.T-K9.4 linked to CCT-K9 has been published in the KCDB. This is a bilateral comparison on the realization of the ITS-90 of the triple point of Argon between NIST, United States and NRC, Canada.
3 NOVEMBER 2026
Fluid flow - EURAMET
2 new and 1 revised CMCs in fluid flow have been published in the KCDB for Germany, Italy and Portugal via EURAMET, in the field of Mass and related quantities.
3 NOVEMBER 2026
DC voltage - APMP
A new CMC in DC voltage has been published in the KCDB for Indonesia via APMP, in the field of Electricity and Magnetism.
3 NOVEMBER 2026
Dosimetry - EURAMET
2 new CMCs in dosimetry have been published in the KCDB for Finland via EURAMET, in the field of Ionizing Radiation.
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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
26459 CMCs
783 supplementary comparisons