A properly trained analyst can provide you with all the information you need from ECT and ECA testing. Finding a trained and experienced analysts is important for accurate testing results. You should as for credentials, certifications, and experience before hiring anyone to perform Eddy-current testing.
A trained analyst professional will be able to report all issues found during the test. Experienced analysts will adhere to industry standards and will be able to give the severity of any detection flaws. A trained professional will also be able to detect smaller faults and track the faults progress. Trained analysts will be better suited condemning piping that otherwise might have been overlooked.
All analysts should have certifications from the area they test in. Applied technical services or ATS provides certifications and testing. You can find ATS certified analyst here.
ATS is not the only certification standard in the ECT field. It is important to ask for certifications and research the quality of those certifications before hiring a professional