本文件给出了轻水反应堆非铁磁蒸汽发生器加热管涡流试验的运行前检查（PSI）和运行中检查（ISI）指南，其中使用机械化试验设备从管内侧向外进行试验。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document gives guidelines for pre-service inspection (PSI) and in-service inspections (ISI) by eddy current tests on non-ferromagnetic steam generator heating tubes of light water reactors, whereby the test is carried out using mechanised test equipment outwards from the tube inner side.All current amendments available at time of purchase are included with the purchase of this document.