Comparison Display

CIPM MRA PARTICIPANTS

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

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CIPM MRA PARTICIPANTS

CMC statistics

Published CMC statistics

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AFRIMETS.L-K1.n01

Information & contact
Participants

Metrology area, Sub-field	Length, Dimensional Metrology
Description	Calibration of short gauge blocks by interferometry
Time of measurements	2020 - 2021
Status	Measurements in progress

References	AFRIMETS.L-K1.n01 Technical Protocol
Measurand	Central length nm
Parameters	Gauge blocks

Comparison type	Key Comparison
Consultative Committee	CCL (Consultative Committee for Length )
Conducted by	AFRIMETS (Intra-Africa Metrology System)
Pilot institute	NMISA National Metrology Institute of South Africa South Africa
Contact person	Patrick Masina +27 12 947 2840
Additional	Oelof Kruger, National Metrology Institute of South Africa Patrick Masina, National Metrology Institute of South Africa

Pilot laboratory
NMISA	National Metrology Institute of South Africa, South Africa, AFRIMETS