Number of supplementary comparisons by state or economy
The KCDB - the BIPM key comparison database – supports the CIPM MRA. The KCDB contains information on the internationally recognized Calibration and Measurement Capabilities (CMCs) for services available from the participating institutes, and the key and supplementary comparisons supporting these CMCs.
All data listed in the KCDB have been reviewed and approved within the CIPM Mutual Recognition Arrangement