DIN EN ISO 18490 E : 2015
Current
The latest, up-to-date edition.
NON-DESTRUCTIVE TESTING - EVALUATION OF VISION ACUITY OF NDT PERSONNEL (ISO 18490:2015)
Hardcopy , PDF
English
01-01-2015
National foreword
National Annex NA (informative) - Bibliography
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Chart print quality
5 Health and safety
6 Personnel administering the test
7 Test charts
8 Test procedure
9 Acceptance level
Annex A (normative) - Format and size of the optotypes
Annex B (normative) - Spacing of the optotypes
Annex C (informative) - Example test chart (Not to scale)
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