# The Weighing Equipment (Automatic Rail-weighbridges) Regulations 2003, Paragraph: Separate control instrument (Clause 2.8.3.1 of Part 1 of OIML R 106)


A control instrument capable of being used to determine the mass of each reference wagon when stationary and uncoupled shall be available for in-motion tests. The error of that instrument shall not be greater than either of the following values:
(a) one third of the appropriate maximum permissible error for in-motion weighing in clause 2.8.2 and Table 1 (set out in Schedule 6) if the control instrument is verified immediately prior to the in-motion tests;
(b) one-fifth of the maximum permissible error if the control instrument is verified at any other time.

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Source: https://www.legislation.gov.uk/uksi/2003/2454/schedule/5/paragraph/wrapper25n1 (the official version)
Page: https://openlegislation.uk/weighing-equipment-automatic-rail-weighbridges-regulations-2003/schedule-5/paragraph-wrapper25n1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.