RO
SR EN 462-4:1996
Non destructive testing. Image quality of radiographs. Part 4: Experimental evaluation of image quality values and image quality tables
This standard gives instructions for the determination of image quality values and image quality tables. If the IQI requirements from part 3 of this standard cannot be used, because, for example, the absorption coefficients of the IQI material and the inspected material differ by more than 30 %, test exposures arenecessary to determine acceptance of image quality values. The image quality values achieved by the test exposures are required for all exposures made under the same radiographic conditions.
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Status :
Withdrawn
Approval date : 3/11/1996
Publish date : 3/12/1996
Withdrawal date : 11/29/2013
Number of pages : 10
ICS : 19.100 Non-destructive testing
Technical Committee : 40 - Non-destructive testing
- Normative reference SR EN 462-1:1996
- Normative reference SR EN 462-2:1996
- Replaced by SR EN ISO 19232-4:2013