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ISO 497:1973

Guide to the choice of series of preferred numbers and of series containing more rounded values of preferred numbers ISO 497:1973

Publication date:   May 1, 1973

General information

90.60   Close of review   Jun 5, 2025

ISO

ISO/TC 19 Preferred numbers

International Standard

17.020   Metrology and measurement in general

Buying

Published

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Scope

This is an additional guide to ISO 17 for selecting specified series with more rounded values. It shows the conditions for the use of these preferred numbers.

Life cycle

NOW

PUBLISHED
ISO 497:1973
90.60 Close of review
Jun 5, 2025




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