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eLibrary > BS ISO 22578-2:2024 Graphical symbols. Safety colours and safety signs - Measurement of photopic luminance of phosphorescent components used in a natural disaster safety way guidance system >

BS ISO 22578-2:2024 Graphical symbols. Safety colours and safety signs - Measurement of photopic luminance of phosphorescent components used in a natural disaster safety way guidance system, 2024

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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Test specification [Go to Page]
4.1 Test specimens
4.2 Conditioning
4.3 Ambient conditions
4.4 Irradiance, illuminance and luminance instrumentation [Go to Page]
4.4.1 Irradiance instrumentation
4.4.2 Illuminance instrumentation
4.4.3 Luminance instrumentation
4.5 Excitation light conditions
4.6 Luminance measurements [Go to Page]
4.6.1 General
4.6.2 Telephotometer method
4.6.3 Contact method
4.6.4 Luminance recordings
4.7 Test report
4.8 Marking of phosphorescent materials
Bibliography [Go to Page]

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