NB/T 20522-2018 in English

This standard specifies the requirements and methods for the eddy current testing of the neutron flux measurement guide tubes in the reactor core of a nuclear power plant. It covers aspects such as the preparation of testing equipment, the procedures for conducting tests, the interpretation of test results, and the documentation of findings. The content includes detailed descriptions of the technical parameters, testing environments, and operational guidelines necessary for ensuring the accuracy and reliability of the testing process. It also outlines the qualifications required for personnel performing the tests and the maintenance and calibration of testing instruments. The standard is designed to support the safe and efficient operation of nuclear power plants by ensuring the integrity and performance of critical components involved in neutron flux measurement.