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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
3 DECEMBER 2025
Key comparisons in Pressure - EURAMET
The Final report and results of the key comparison EURAMET.M.P-K4.2020 linked to CCM.P-K4.2012, have recently been published in the KCDB. This is a comparison of pressure measurements piloted by the Physikalisch-Technische Bundesanstalt (PTB), Germany, with participants from 5 state economies.
3 DECEMBER 2025
Electrochemical analysis - SIM
2 new and 5 revised CMCs in electrochemical analysis have been published in the KCDB for Argentina, Brazil, Colombia and Uruguay via SIM, in the field of Chemistry and Biology.
3 DECEMBER 2025
Inorganic analysis - APMP
17 revised CMCs in inorganic analysis have been published in the KCDB for Australia via APMP, in the field of Chemistry and Biology.
2 DECEMBER 2025
Properties of detectors and sources - EURAMET
6 revised CMCs in the measurement of irradiance have been published in the KCDB for Germany via EURAMET, in the field of Photometry and Radiometry.
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Statistics
AFRIMETS APMP COOMET EURAMET GULFMET SIM
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Currently in the KCDB there are
259 CIPM MRA participants
1256 key comparisons
26527 CMCs
765 supplementary comparisons