# The Measuring Instruments Regulations 2016, Paragraph 4: Permissible effect of disturbances


For each of the volume fractions measured by the instrument, the critical change value is equal to the MPE for the parameter concerned.

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Source: https://www.legislation.gov.uk/uksi/2016/1153/schedule/1J/paragraph/4 (the official version)
Page: https://openlegislation.uk/measuring-instruments-regulations-2016/schedule-1J/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.