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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
6 SEPTEMBER 2024
Key Comparison in Photometry and Radiometry - CCPR/COOMET
The results of the linked key comparisons, CCPR-K1.a.2017 and COOMET.PR-K1.a.2018 have been published in the KCDB. These comparisons in Spectral Irradiance were piloted by the All-Russian Research Institute for Optical and Physical Measurement (VNIIOFI) Russia and included participants from 15 state economies.
5 SEPTEMBER 2024
Electricity and magnetism - EURAMET
5 revised CMCs in AC voltage, current and power and DC voltage, current and resistance have recently been published in the KCDB for Bulgaria, Portugal, Switzerland and Türkiye via EURAMET in the field of Electricity and magnetism.
3 SEPTEMBER 2024
Chemistry - SIM
38 new and revised CMCs in Food, Gases, and High-purity chemicals have recently been published in the KCDB for Brazil, Chile and Mexico via SIM, in the field of Chemistry and biology.
3 SEPTEMBER 2024
Chemistry - APMP
10 new and revised CMCs in Food and Water have recently been published in the KCDB for China, Hong Kong and Indonesia 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
251 CIPM MRA participants
1186 key comparisons
26085 CMCs
705 supplementary comparisons