GB 25991-2010 Translated English of Chinese Standard. GB25991-2010: Automotive headlamps with LED light sources and/or LED moduleshttps://www.chinesestandard.net, 17 nov. 2017 - 25 sidor This standard specifies the test methods and inspection rules for the light distribution performance, light color, temperature cycle of the automotive headlamps with LED light source or LED light source/module. |
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24 V voltage adjustable reflector anti-UV radiation Automotive Light beam is obtained beam or low bend lighting beam Color rendering color temperature stability cut-off line transition electronic light source equipped with filament filament lamps goniometer headlamp is equipped headlamp lens headlamp temperature cycling headlamps with adjustable high beam Emax HV point input end integrating sphere least 2 h LED headlamp illumination LED headlamp temperature LED light source LED light source/module LED module lens and plastic light color light distribution performance light distribution screen Light distribution stability Light distribution test light source controller luminosity manufacturer module is lit mrad objective luminous flux photometric plastic optical components product power controller production consistency test provisions of A.1.1.1 radiation spectral weight shown in Appendix signaling lamp source or LED standard surfactant temperature cycling test Test methods test points test voltage tested in accordance Tianjin transition point type test vertical direction voltage system