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Key comparison EURAMET.L-K5.2016 Calibration of a Step Gauge

Project Description

A key comparison of the calibration of a step gauge, to determine validity of participant's CMC claims and to support new CMC claims being offered for entry in the BIPM key comparison database.

Final Report 2020-06-30

The comparison has been completed and the results are available in the KCDB.

Progress Report 2019-09-30

Circulation was completed in January 2019.
Draft A1 has been circulated to participants in February 2019.
Draft A2 has been circulated to participants in September 2019.
Issues arose around the stability of the 610 mm artefact during the comparison. In accordance with the protocol, the decision regarding next steps to deal with this will be taken by EURAMET TC-L in October 2019. Further reports will be circulated. An executive report will be required for this comparison, which adds a further 6-8 months to the end of the comparison reporting period.

Progress Report 2019-02-15

Report in progress

Length (L)
Tim Coveney, NPL (United Kingdom)
Phone: +44 208 943 6297
Coordinating Institute
NPL (United Kingdom)
Further Partners
Carl Zeiss Industrielle Messtechnik GmbH (Germany)
Centro Nacional de Metrología (Mexico)
CSIR-National Physical Laboratory (India)
National Institute of Metrology (China)
National Institute of Standards and Technology (United States of America)
National Metrology Centre, Agency for Science, Technology and Research (Singapore)
National Research Council Canada (Canada)
National Metrology Institute of Japan (Japan)
Saudi Standards, Metrology and Quality Organization/National Measurement and Calibration Center (Saudi Arabia)


Reg. No.
Registered in KCDB
Collaboration Type