GB/T 39849-2021
ActiveNon-destructive testing instruments—Ultrasonic time-of-flight diffraction instrument—Methods of performance tests
无损检测仪器 超声衍射声时检测仪 性能测试方法
Application Summary AI generated
This standard specifies performance test methods for ultrasonic time-of-flight diffraction (TOFD) instruments used in non-destructive testing. It is applied in industrial sectors such as manufacturing, petrochemical, and power generation to verify the accuracy, sensitivity, and reliability of TOFD equipment for detecting flaws in welds and structural components. The standard ensures consistent instrument performance during both factory acceptance and periodic in-service evaluations.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.