标准编号：ISO 19235:2015
中文名称：模拟石英钟 计时精度
英文名称：Analogue quartz clocks — Timing accuracy
发布日期：2015-10
标准范围
This International Standard specifies the basic parameters, requirements, and testing methods oftiming accuracy for analogue quartz clocks, hereinafter referred to as “the quartz clock”.This International Standard applies to analogue quartz table and wall clocks which the oscillatorfrequency is 32 768 Hz and the nominal voltage is DC 1,5 V. Analogue quartz clock movements can referto it.This International Standard does not apply to the following quartz clocks:— clocks for particular applications such as clocks used in aircraft, ship, vehicle, and facilities;— clocks incorporated into other products;— clocks in which time is radio-synchronized.
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