NS EN ISO 18490 : 2015
Current
Current
The latest, up-to-date edition.
NON-DESTRUCTIVE TESTING - EVALUATION OF VISION ACUITY OF NDT PERSONNEL (ISO 18490:2015)
Published date
28-09-2015
Defines the form of the optotype, the test procedure and the acceptance level for near vision acuity of NDT personnel. Explains the qualification requirements for personnel permitted to carry out the test.
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