DIN 54109-2 : 1989被替代
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)
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基本信息
标准编号： DIN 54109-2 : 1989
标准类别：Standard
出版单位：German Institute for Standardisation (Deutsches Institut für Normung)
标准页数：0
标准简介
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).
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