探测松动部件的声音监测系统 性能、设计准则和操作程序

[中文适用范围]： 适用于用于监测通过结构传输的声音并在轻水反应堆主围护结构外进行测量的系统，以便检测和定位异常情况。 [外文原描述]： This standard is applicable to systems used to monitor sound transmitted through the structure and measured outside the primary envelope of light water reactors for the purpose of detecting and, where possible, locating unusual occurrences, particularly metal to metal impacts caused by loose parts. This standard covers system characteristics, design requirements and operational procedures.