ISO 22578-2:2024

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

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

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

General Information

• Status: Published
• Publication Date: 26-Feb-2024
• ICS: 01.080.10 - Public information symbols. Signs. Plates. Labels
• Technical Committee: ISO/TC 145/SC 2 - Safety identification, signs, shapes, symbols and colours
• Drafting Committee: ISO/TC 145/SC 2 - Safety identification, signs, shapes, symbols and colours
• Current Stage: 9092 - International Standard to be revised
• Completion Date: 17-Jun-2024

Standards Content (Sample)

International
Standard
ISO 22578-2
First edition
Graphical symbols — Safety colours
2024-02
and safety signs —
Part 2:
Measurement of photopic
luminance of phosphorescent
components used in a natural
disaster safety way guidance system
Reference number
ISO 22578-2:2024(en) © ISO 2024

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ISO 22578-2:2024(en)
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© ISO 2024
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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Published in Switzerland

© ISO 2024 – All rights reserved
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ISO 22578-2:2024(en)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Test specification . 1
4.1 Test specimens.1
4.2 Conditioning.2
4.3 Ambient conditions.2
4.4 Irradiance, illuminance and luminance instrumentation .2
4.4.1 Irradiance instrumentation .2
4.4.2 Illuminance instrumentation .2
4.4.3 Luminance instrumentation .3
4.5 Excitation light conditions .3
4.6 Luminance measurements . .3
4.6.1 General .3
4.6.2 Telephotometer method.3
4.6.3 Contact method .3
4.6.4 Luminance recordings .4
4.7 Test report .
...