# The Measuring Instruments Regulations 2016, Paragraph 4.1.1


The variation of the measurement result after the durability test when compared with the initial measurement result for the flow rates in the range Qt to Qmax shall not exceed the measurement result by more than 2 %.

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Source: https://www.legislation.gov.uk/uksi/2016/1153/schedule/1D/paragraph/4.1.1 (the official version)
Page: https://openlegislation.uk/measuring-instruments-regulations-2016/schedule-1D/paragraph-4.1.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.