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
17 OCTOBER 2025
Key Comparison of Air Kerma for Cs-137 – BIPM
New results issued from the continuous key comparison BIPM.RI(I)-K5 have been published in the KCDB, including results obtained with Korea Research Institute of Standards and Science (KRISS), Korea. This is a comparison of the measurement of air kerma for Cs-137.
17 OCTOBER 2025
Inorganic analysis - SIM
1 revised CMCs in the analysis of fresh water has been published in the KCDB for Mexico via SIM, in the field of Chemistry and Biology.
17 OCTOBER 2025
Inorganic analysis - APMP
1 revised CMC in the analysis of fresh drinking water has been published in the KCDB for Hong Kong, China via APMP, in the field of Chemistry and Biology.
17 OCTOBER 2025
Dimensional metrology - Finland
2 new CMCs in dimensional metrology have been published in the KCDB for Finland via EURAMET, in the field of Length.
Statistics
Currently in the KCDB there are
257 CIPM MRA participants
1243 key comparisons
26488 CMCs
754 supplementary comparisons