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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.

In case of multiple search, please use ADVANCED SEARCH.
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News
16 MAY 2025
Temperature - AFRIMETS
5 first CMCs in temperature measurements has been published in the KCDB for Tanzania via AFRIMETS, in the field of Thermometry.
16 MAY 2025
Dimensional metrology - SIM
2 revised CMCs in dimensional metrology have recently been published in the KCDB for Argentina via SIM, in the field of Length
15 MAY 2025
Dimensional metrology - APMP
1 new and 1 revised CMC in dimensional metrology have recently been published in the KCDB for China via APMP, in the field of Length.
15 MAY 2025
CCQM key comparison - Organics
The Final report and results of the key comparison CCQM-179 have been published in the KCDB. This is a key comaprison for determining the mass fraction of oxytetracycline hydrochloride, piloted by the BIPM with participants from 15 state economies.
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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
1224 key comparisons
26135 CMCs
732 supplementary comparisons