1 Scope
This standard specifies technical requirements, test methods and inspection rules, etc. of motorcycle headlamps equipped with filament light sources (hereinafter referred to as headlamp).
This standard is applicable to various types of headlamps used for categories L3, L4 and L5 motorcycles (excluding mopeds).
2 Normative References
The provisions of the following standard, through reference in this standard, constitute the provisions of this standard. At time of publication, the editions indicated are valid. As all the standards will be revised, each party using this standard shall discuss the feasibility of using the latest edition of the following standards.
GB 4599-1994 Photometric Characteristics of Headlamps for Motor Vehicles
GB/T 3978-1994 Standard Illuminants and Illuminating-viewing Conditions
GB 15766.1-1995 Lamps for Road Vehicles - Dimensional Electrical and Luminous Requirements
IEC Publication 61-2 Lamp Head and Lamp Holder and Control Gauge of Their Interchange and Stability
GB 4785-1998 Prescription for Installation of the External Lighting and Light Signaling Devices for Motor Vehicles and their Trailers
3 Definition
Definitions adopted in this standard are the same as those in GB 4599.
4 Technical Requirements
Foreword
1 Scope
2 Normative References
3 Definition
4 Technical Requirements
5 Test Methods
6 Inspection Rules
Appendix A (Normative) Photometric Screen of Closed Headlamp Using S1 and S2 Bulbs or Similar Ones
Appendix B (Normative) Photometric Screen of Closed Headlamp Using HS1 Bulb or Similar Ones
