
NON-DESTRUCTIVE TESTING; IMAGE QUALITY OF RADIOGRAPHS; DIRECTIVES FOR THE DETERMINATION OF IMAGE QUALITY VALUES AND OF IMAGE QUALITY CLASSES
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Gives guidance on the determination of image quality classes and image quality values when assessing radiographs of any type of material. The definition of an image quality class is a class specifying minimum requirements for the image quality value to be verified, as a function of the penetrated wall thickness (cf. clause 3).