# The Meters (Certification) Regulations 1990, Paragraph 6: Test loads


(1) Every repaired meter shall be tested at each of the loads specified in Table 2.
(2) All new meters shall be calibrated and tested at a sufficient number of load points so as to ensure that meter errors are not greater than the limits specified in paragraph 9.
(3) A test will also be carried out on new meters for starting in accordance with Test No 7 of Table 2.
(4) The ratio accuracy shall be determined for voltage transformers that are intended for use with meters but are not tested with a meter.
(5) Current transformers intended for use with meters but not tested with a meter shall be tested from 5% to 100% of rated current.

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Source: https://www.legislation.gov.uk/uksi/1990/792/schedule/1/paragraph/6 (the official version)
Page: https://openlegislation.uk/meters-certification-regulations-1990/schedule-1/paragraph-6
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.