# The Measuring Instruments Regulations 2016, Paragraph 1.1


The manufacturer shall specify both the reference accuracy class Ref(x) and the operational accuracy class(es) X(x).

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Source: https://www.legislation.gov.uk/uksi/2016/1153/schedule/1G/chapter/III/paragraph/1.1 (the official version)
Page: https://openlegislation.uk/measuring-instruments-regulations-2016/schedule-1G/chapter-III/paragraph-1.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.