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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
11 APRIL 2025
Fluid flow - EURAMET
6 modified CMCs in fluid flow measurements have recently been published in the KCDB for Austria, United Kingdom, Switzerland, and France via EURAMET in the field of Mass and related quantities.
10 APRIL 2025
Dimensional metrology - APMP
5 new and 2 modified CMCs in dimensional metrology, have recently been published in the KCDB for China and Thailand via APMP, in the field of Length.
7 APRIL 2025
Key Comparison in brachytherapy - BIPM
The latest results of BIPM.RI(I)-K8 have recently been published in the KCDB, including results obtained via comparison with National Institute of Metrology (NIM), China in 2024. This is a comparison of the determination of air kerma associated with the use of brachytherapy sources within the field of Ionizing Radiation. Brachytherapy is a frequently applied technique for cancer treatment where the radiation source is embedded in the body for internal radiation therapy.
2 APRIL 2025
Vibration - EURAMET
2 new CMCs in vibration measurements have recently been published for Türkiye via EURAMET, in the field of Acoustics and Vibration
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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
1220 key comparisons
26139 CMCs
726 supplementary comparisons