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.

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News
22 FEBRUARY 2024
Key Comparison - Attenuation using a step attenuator (CCEM.RF-K26)
The Final report and results of CCEM.RF-K26 have been published in the KCDB. This is a key comparison of the measurement of attenuation at 18 GHz, 26.5 GHz and 40 GHz using a step attenuator in the field of Electricity and Magnetism. The comparison was coordinated by the National Metrology Institute of Japan (NMIJ), in which 14 state economies namely, Japan, China, Germany, France, Switzerland, India, Russia, South Korea, United Kingdom, South Africa, Turkey, Singapore, Czech Republic and Spain participated.
16 FEBRUARY 2024
Short-lived radionuclide Cr-51 - BIPM
The most recent results of BIPM.RI(II)-K1.Cr-51 have been published in the KCDB, now including results obtained in 2022 by KRISS (Rep. of Korea) in 2022, POLATOM (Poland), and to linked EURAMET.RI(II)-K2.Cr-51 comparison. This is a continuous comparison of radioactivity using the International Reference System (SIR) for measuring the activity of radionuclide Cr-51.
16 FEBRUARY 2024
Short-lived radionuclide Ge-68 - BIPM
The most recent results of BIPM.RI(II)-K1.Ge-68 have been published in the KCDB, now including results obtained by NIM (China) in 2022. This is a continuous comparison of radioactivity using the International Reference System (SIR) for measuring the activity of radionuclide Ge-68.
16 FEBRUARY 2024
Key comparison - Organic analysis
The Final report and the results of CCQM-K154.b.1 have been published in the KCDB.
This is a bilateral key comparison on the gravimetric preparation of organic solvent calibration solution and value assignment of Aflatoxin B1 (AfB1) in acetonitrile (ACN) between INRAP, Tunisia and the BIPM.
Statistics
Currently in the KCDB there are
250 CIPM MRA participants
1173 key comparisons
25867 CMCs
685 supplementary comparisons