电子衡器安全要求(英文版)
Safety requirements for electronic weighing instrument
标准状态
基本信息
标准简介
This document specifies the technical requirements relating to the safety of electronic weighing instruments in non-automatic weighing instruments and all kinds of automatic weighing instruments, covering protection against electric shock, protection against mechanical hazards, protection against the spread of fire, temperature limits and resistance to heat, immunity to electromagnetic interference, components, protection by interlocks, and marking and documentation, and describes the corresponding test methods. This document is applicable to weighing instruments that use load cells as force-to-electric conversion components and electronic weighing indicators for weight indication, and that weigh the load or perform automatic control functions by means of associated electrical control cabinets of various kinds, their electrical safety following the Class I and Class II safety modes. This document is not applicable to weighing instruments used in explosive atmospheres or in high-temperature environments (temperature ≥ 70 °C).