GB 18408-2015 Translated English of Chinese Standard. GB18408-2015: Photometric characteristics of devices for the illumination of rear registration plates of motor vehicles and their trailershttps://www.chinesestandard.net, 10.08.2016 - 12 Seiten This Standard specifies general requirements, light source requirements, light color requirements, photometric characteristics as well as its test methods and inspection rules of devices for the illumination of rear registration plates of motor vehicles and their trailers.. |
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5.2 Light source 5.3 Light color 5.4 Photometric requirements achromatic diffuse surface added relevant content Angle of incidence applicable area of category Brightness measurement candela per square characteristics of devices Classification and different Clause 6 Test Colorless diffuse surface comply with corresponding content into Clause corresponding provisions deleted Clause device is 440 diffuse reflectance ECE R37 edition to Clause filament bulb filament lamp forms of illumination illumination area illumination device illumination of rear illumination of registration Inspection rules Laboratory darkroom Light color requirements Light color test light source module Light source requirements light-emitting surface measurement point modified Clause motor vehicles non-replaceable light source Photometric characteristics plates of motor point after lighting power supply device previous edition provisions of 5.1 rear registration plates reference luminous flux sample shall comply square meter cd/m2 standard bulb surface of illumination Terms and definitions Test methods trailers type of filament type test visible angle