What is NDEL?

Nondestructive Evaluation involves the examination of an object in any manner, which will not impair the future usefulness of the object. The purpose of the examination may be to detect internal or external flaws, to measure thickness, to determine material structure or composition, or to measure or detect any of the test specimen's properties. The test method may be a simple visual one, or it may involve more sophisticated methods employing either electromagnetic, acoustic, thermal or radiography techniques.