This standard specifies terms and definitions, product models, metrological requirements, technical requirements, test methods, inspection rules, sign, packaging, transportation and storage of non-self-indicating instruments (referring to as “the instruments” hereinafter).
This standard is applicable to mechanical lever weighing instruments, which use mechanical lever to transmit force, balance weight of unit under test by moving poise on measuring scale and (or) increasing or decreasing slotted weight, and determining balance status by swing of weighing lever so as to obtain weighing indications.
NOTE The mechanical lever weighing instruments referred by this standard mainly include mechanical platform scale,counter scale, pitless scale and pit scale,etc.
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