Visual Testing (VT): Visual Testing Levels I and II
The visual testing course is divided into two classes. The first being a Level I course which addresses the basics of visual testing to include basic visual testing principles, the human eye, lighting and physiological effects, tools used in visual testing, discontinuities evaluation and standards and specifications. The Level I class is an 8 hour course. The Level II course expands on the material presented in Level I and expands on the material attributes of materials, the human physiological effects and environmental conditions impacting visual tests. The Level II class is 16 hours and includes practical exercises.