# The Measuring Instruments Regulations 2016, Paragraph 11: Maximum permissible error


(1) A measuring system which falls within an accuracy class of 0.3, 0.5 or 1.0 must, when used to measure a quantity set out in column 1 of the following Table, operate within the maximum permissible error as set out in column 2, 3 or 4 of that Table for that class and that quantity.
Accuracy class
0.3
0.5
1.0
Column 1
Column 2
Column 3
Column 4
Quantity delivered
Maximum permissible error
Maximum permissible error
Maximum permissible error
MMQ to and including MMQ x 2
± 0.6% x MMQ
± 1% x MMQ
±2% x MMQ
˃MMQ x 2
± 0.3% x quantity delivered
± 0.5% x quantity delivered
± 1.0% x quantity delivered
(2) In the Table, “MMQ” means minimum measured quantity.

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Source: https://www.legislation.gov.uk/uksi/2016/1153/schedule/6/paragraph/11 (the official version)
Page: https://openlegislation.uk/measuring-instruments-regulations-2016/schedule-6/paragraph-11
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.