Visual Testing

Visual Testing method is the first and most important of the non-destructive testing methods. This examination also uses the sensation of hearing, taste, and touch, in addition to vision. Visual Inspection is the finding of imperfection on the surface of the material with eye or with the use of optical devices. Visual Testing also used internationally when the other NDT methods using for detecting the surface or internal imperfections. Visual Testing method is used in the all production technologies types from controlling of raw material to the final product stage.