ISO 20462-3:2012

Published (Edition 2, 2012)

This publication was last reviewed and confirmed in 2022. Therefore this version remains current.

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Abstract

ISO 20462-3:2012 specifies:

the nature of a quality ruler;

hardcopy and softcopy implementations of quality rulers;

how quality rulers may be generated or obtained; and

the standard quality scale (SQS), a fixed numerical scale that may be measured using quality rulers.