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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.

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News
28 OCTOBER 2026
DC voltage and current - APMP
3 new CMCs in DC voltage and current have been published in the KCDB for Indonesia via APMP, in the field of Electricity and Magnetism.
27 OCTOBER 2026
Key comparisons on the activity of radionuclides - BIPM
The results of the key comparisons BIPM.RI(II)-K1.Ba-133, BIPM.RI(II)-K1.Tb-161, BIPM.RI(II)-K1.Lu-177 and BIPM.RI(II)-K1.Mn-54 have been published in the KCDB. This are comparisons of activity measurements of radionucludes, coordinated by the BIPM.
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.
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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
26441 CMCs
783 supplementary comparisons