This documents specifies the minimum image quality values to ensure a uniform radiographic quality. It applies to the two types of image quality indicator as detailed in part 1 for wire type IQI and Part 2 for step/hole type IQI and for the two techniques
DS/EN ISO 19232-3:2013 history
2013DS/EN ISO 19232-3:2013 Non-destructive testing - Image quality of radiographs - Part 3: Image quality classes