ISO 22578-2:2024Withdrawn

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

Symboles graphiques — Couleurs de sécurité et signaux de sécurité — Partie 2: Titre manque

This edition has been replaced by ISO 22578:2025.

Abstract / scope

This document specifies the laboratory test method for the measurement of photopic luminance of phosphorescent materials classified in accordance with ISO 22578.

Life cycle

Replaced by

ISO 22578:2025PublishedGraphical symbols — Safety colours and safety signs — Natural disaster safety way guidance systemInternational Standard · Published 21 Oct 2025 · ISO/TC 145/SC 2