# The Weighing Equipment (Non-automatic Weighing Machines) Regulations 1988, Regulation 33


(1) Every non-automatic weighing machine, where the maximum load does not exceed 5 tonnes, shall be tested by the use of weights complying with the Weights and Measures (Local and Working Standard Weights and Testing Equipment) Regulations 1986 as set out in the following Table:
(1)
(2)
Accuracy classification
Weights to be used
Class I
} Local standard weights, or working standard weights which fall within the prescribed limits of error relating to the equivalent local standard weight.
Class II
Class III and having more than 5000 scale intervals
Local standard weights, working standard weights, or test weights which fall within half the prescribed limits of error for the test weight in question.
Class III and having no more than 5000 scale intervals
} Local standard weights, working standard weights or test weights.
Class IIII
(2) Where the maximum load of a machine exceeds 5 tonnes, the test loads shall consist of a minimum of 5 tonnes of weights complying with the Regulations referred to in paragraph (1) above and may consist of loose material for the remainder up to the maximum load.

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Source: https://www.legislation.gov.uk/uksi/1988/876/regulation/33 (the official version)
Page: https://openlegislation.uk/weighing-equipment-non-automatic-weighing-machines-regulations-1988/regulation-33
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.