ISO/CD 22578-2

Graphical symbols — Safety colours and safety signs — Part 2: Measurement of photopic luminance of phosphorescent components used in a natural disaster safety way guidance system

General information

Current stage: 30.99 Effective date: Feb 6, 2023

Originator: ISO

Owner: ISO/TC 145/SC 2

Type: International Standard

Scope

This document specifies the laboratory test method for measurement of photopic luminance of phosphorescent materials to be classified in accordance with ISO 22578- Graphical symbols - Safety colours and safety signs – Natural disaster safety way guidance-system.

Life cycle

NOW

IN_DEVELOPMENT
ISO/CD 22578-2
30.99 CD approved for registration as DIS
Feb 6, 2023

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