Standard NBN EN 13927:2003
Non-destructive testing - Visual testing - Equipment
19.100 Non-destructive testing
This European Standard describes general requirements for equipment used in visual testing. The application of equipment is necessary in visual testing when: ¾ objects, which are visually or on account of environmental factors not accessible, need to be made accessible to viewing; ¾ the test sensitivity is insufficient; ¾ an imaging record is required. This European Standard includes the verification of equipment.