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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
24 SEPTEMBER 2025
Dosimetry - SIM
3 new CMCs in dosimetry measurements have been published in the KCDB for Mexico via SIM, in the field of Ionizing Radiation.
24 SEPTEMBER 2025
Impedance - APMP
1 revised CMC in impedance measurements has been published in the KCDB for South Korea via APMP, in the field of Electricity and Magnetism.
22 SEPTEMBER 2025
Thermometry - EURAMET
1 new and 1 revised CMCs in temperature and humidity measurements have recently been published in the KCDB for Poland and Switzerland via EURAMET in the field of Thermometry.
22 SEPTEMBER 2025
Dimensional metrology - APMP
1 new CMC in dimensional metrology has been published in the KCDB for Hong Kong, China 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
257 CIPM MRA participants
1237 key comparisons
26476 CMCs
751 supplementary comparisons