This standard specifies the requirements, test methods, inspection rules as well as marking, packaging, transportation and storage of analogue quartz clocks (hereinafter referred to as "the quartz clock").
This standard is applicable to analogue quartz clocks with quartz resonator, whose nominal working voltage is DC 1.50V; other timing devices, for which the quartz clock movement or such movement is adopted, also may be referred to this standard.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this national standard. For dated reference, subsequent amendments (excluding correction) to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents applies. For undated references, the latest editions of the normative documents apply.
GB/T 2828.1 Sampling Procedures for Inspection by Attributes - Part 1: Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection (GB/T 2828.1-2003, IS0 2859-1: 1999, IDT).
GB/T 2829 Sampling Procedures and Tables for Periodic Inspection by Attributes (Apply to Inspection of Process Stability)