What is the function of a flaw detector?

The primary function of a flaw detector is to analyze and display the responses of non-destructive testing (NDT) methods. In various NDT techniques, such as ultrasonic testing, the flaw detector interprets signals received from the test material after ultrasonic waves are introduced. It plays a vital role in identifying, locating, and characterizing flaws like cracks, inclusions, or other discontinuities within the material being evaluated.

This device provides real-time graphical and numerical data that can help technicians assess the integrity of materials or components. By presenting this information clearly, the flaw detector enables accurate decisions regarding material safety and usability. In contrast, other options describe functions not directly related to the specific role of a flaw detector in NDT processes. For instance, creating ultrasonic waves is a part of the transducer's job, applying liquid penetrant pertains to liquid penetrant testing, and calibrating NDT tools involves ensuring the accuracy of various testing instruments, rather than the actual detection and analysis process of flaws.