Calibration and Measurement Capabilities – CMCs
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Key and supplementary comparisons
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News
20 MARCH 2026
Quantum Hall Resistance - BIPM
The Final report and most recent results of the continous key comparison BIPM.EM-K12 have been published in the KCDB, including the first results obtained with Centro Español de Metrologia (CEM), Spain in November 2025. This is a comparison of resistance using a Quantum Hall resistance standard in which 12 institutes have taken part.
20 MARCH 2026
Key comparison in radio frequencies - CCEM
The Final report of the key comparison CCEM.RF-K28.W has recently been published in the KCDB. This is a comparison on the calibration of waveguide power factors, piloted by the National Institute of Metrology (NIM) China, with participants from 10 state economies.
20 MARCH 2026
Key comparison in organics - CCQM
The Final report of the key comparison CCQM-K180 has recently been published in the KCDB. This is a comparison on polar analytes in high protein food matrix piloted by Bundesamt für Verbraucherschutz und Lebensmittelsicherheit (BVL), Germany, with participants from 17 state economies.
19 MARCH 2026
Dosimetry - EURAMET
A revised CMC in dosimetry has been published in the KCDB for Finalnd via EURAMET, in the field of Ionizing Radiation.
Statistics
Currently in the KCDB there are
258 CIPM MRA participants
1263 key comparisons
26393 CMCs
767 supplementary comparisons