# The Measuring Instruments Regulations 2016, Paragraph 5


The MPE, positive or negative, on volumes delivered at flowrates between the transitional flowrate (Q2) (included) and the overload flowrate (Q4) is:
2 % for water having a temperature ≤ 30 °C,
The meter shall not exploit the MPE or systematically favour any party.

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Source: https://www.legislation.gov.uk/uksi/2016/1153/schedule/1C/paragraph/5 (the official version)
Page: https://openlegislation.uk/measuring-instruments-regulations-2016/schedule-1C/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.