Calibration and Measurement Capabilities – CMCs
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Key and supplementary comparisons
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News
30 OCTOBER 2026
Key comparison in fluid flow - APMP
The results of the key comparison APMP.M.FF-K3.2020 linked to CCM.FF-K3.2011 have been published in the KCDB. This is a comparison on air speed measurements using an ultrasonic anemometer as transfer standard, in the field of Mass and related quantities, coordinated by the Industrial Technology Research Institute/Center for Measurement Standards (CMS/ITRI), Chinese Taipei, in which seven state economies participated.
30 OCTOBER 2026
Key comparison on the activity of radionuclide Tc-99 - BIPM
The first results of the continous key comparison BIPM.RI(II)-K5.Tc-99 including those obtained with LNE-LNHB, France in 2024 and NRC, Canada in 2026 have been published in the KCDB. This is a comparison of activity measurements of the radionuclude Tc-99, coordinated by the BIPM.
29 OCTOBER 2026
Key comparisons on air kerma and absorbed dose to water in Co-60 - BIPM
The Final reports and latest results from the continuous key comparisons BIPM.RI(I)-K1 and BIPM.RI(I)-K4 have been published in the KCDB, including results obtained with Commissariat à l'énergie atomique / Laboratoire National Henri Becquerel (LNE-LNHB), France.
29 OCTOBER 2026
Gas analysis - EURAMET
A revised CMC in gas analysis has been published in the KCDB for Germany via EURAMET, in the field of Chemistry and Biology.
Statistics
Currently in the KCDB there are
263 CIPM MRA participants
1288 key comparisons
26446 CMCs
783 supplementary comparisons