UNE-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)
Available format(s)
Hardcopy , PDF
Language(s)
Spanish, Castilian, English
Published date
16-12-2015
Publisher
This International Standard specifies the form of the optotype, the quality requirements for the chart, the test procedure, and the acceptance level for near vision acuity of NDT personnel.
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