National Physical Laboratory

What is the difference between an NPL certificate and a UKAS certificate? (FAQ - Length)

All certificates issued by NPL are traceable to the relevant National Standards and the work performed is carried out to the NPL Quality Management System, which itself is registered to ISO 9000. However some services at NPL have been accredited by UKAS and for calibrations made using these accredited services, a UKAS certificate is issued. This involves independent assessment of the technical procedures, methods, uncertainties etc.

Last Updated: 17 Feb 2012
Created: 17 Jul 2007

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