Specifications Relating to Non-automatic Weighing Devices (1998)
18 The weight values that are indicated or recorded by the indicating and recording elements of a weighing device and any equipment or accessories attached to the weighing device or used in conjunction with it shall agree
(a) exactly, in the case of digital values produced by electronic elements, equipment or accessories that have the same verification scale intervals;
(b) within 0.25 times the verification scale interval, in the case of analogue values produced by elements, equipment or accessories that have the same verification scale intervals; and
(c) within 0.6 times the largest verification scale interval or the verification scale common to the elements, equipment or accessories, in all other cases.
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