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ISO International Standard

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.

Purchase ISO Standard

  • Publication Date: 2024-02-27
  • Ref: ISO 22578-2:2024
  • stdNumber: 22578
  • Version: 1
  • Edition: 1
  • Pages: 6

$47.46

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