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

Comparison statistics

Comparison

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EURAMET.L-K4.n02

Information & contact
Participants

Metrology area, Sub-field	Length, Dimensional Metrology
Description	Roundness standards
Time of measurements	2025
Status	Protocol complete

References	Technical Protocol
Measurand	Roundness
Parameters	Peak-to-valley roundness deviations
Transfer device	Ceramic sphere, steel ring

Comparison type	Key Comparison
Consultative Committee	CCL (Consultative Committee for Length )
Conducted by	EURAMET (European Association of National Metrology Institutes)
Pilot institute	GUM Glowny Urzad Miar, Central Office of Measures Poland
Contact person	Dariusz Czułek 48 22 581 9543

Pilot laboratory
GUM	Glowny Urzad Miar, Central Office of Measures, Poland, EURAMET

FSB-LPM

FSB - Laboratory for Process Measurements, Croatia, EURAMET

INM	National Institute of Metrology, Romania, EURAMET

LNE	Laboratoire national de métrologie et d'essais, France, EURAMET

MIKES

VTT Technical Research Centre of Finland Ltd, Centre for Metrology/Mittatekniikan keskus, Finland, EURAMET

PTB	Physikalisch-Technische Bundesanstalt, Germany, EURAMET

VSL	VSL, Netherlands, EURAMET