3
NOVEMBER
2026
Key comparison in thermometry - SIM
The Final report of the key comparison
SIM.T-K9.4 linked to
CCT-K9 has been published in the KCDB. This is a bilateral comparison on the realization of the ITS-90 of the triple point of Argon between
NIST,
United States and
NRC,
Canada.
2
NOVEMBER
2026
DC voltage, Josephson standards - BIPM
The final report and results of the key comparison
BIPM.EM-K10, obtained with
Istituto Nazionale di Ricerca Metrologica (
INRIM)
Italy,
have been published in the KCDB. This is a continuous bi-lateral comparison of DC voltage using Josephson standards at a nominal value of 1 V and 10 V in which 31 state economies have participated so far.
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.
