GB 18408-2015Photometric characteristics of devices for the illumination of rear registration plates of motor vehicles and their trailers (English PDF)

Foreword

All technical content of this Standard is mandatory.

This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.

This Standard replaces GB 18408-2001 Photometric characteristics of devices

for the illumination of rear registration plates of motor vehicles and their trailers.

Compared with GB 18408-2001, the main changes are as follows.

- modified Clause 2 "Normative references" of the previous edition;

- modified Clause 3 from "Definitions and classification" to "Terms and

definitions" of the previous edition;

- modified Clause 4 from "General requirements" of the previous edition to

Clause 5 "Requirements";

- added Clause 4 "Classification and different forms of illumination devices";

- deleted Clause 5 "Photometric characteristics" of the previous edition;

added relevant content into "5.4 Photometric requirements" in Clause 5 of

this edition;

- deleted Clause 6 "Light color" of the previous edition; added relevant

content into "5.3 Light color requirements" in Clause 5 of this edition;

- deleted Clause 7 "Provisions on bulbs" of the previous edition; added

relevant content into "5.2 Light source requirements" in Clause 5 of this

edition;

- deleted Clause 8 "Brightness test method" of the previous edition; added

relevant content into Clause 6 "Test methods" of this edition;

- deleted Clause 9 "Light color testing methods" of the previous edition;

added relevant content into Clause 6 "Test methods" of this edition;

- modified Clause 10 "Inspection rules" of the previous edition to Clause 7

"Inspection rules" of this edition;

- added Clause 8 "Transitional requirements";

- added requirements for light source module;

- added test methods for photometric characteristics of devices of use light

source module.

This Standard was proposed by China Ministry of Industry and Information

Technology.

This Standard shall be under jurisdiction of China National Automotive

Standardization Technical Committee (SAC/TC 114).

Drafting organizations of this Standard. Changzhou Xingyu Automotive Lighting

Systems Co., Ltd., Ministry of Public Security Traffic Management Research

Institute.

Main drafter of this Standard. Zhu Caiping, Huang Limin, Hu Xinwei.

This Standard replaces the following previous standard.

- GB 18408-2001.

Photometric characteristics of devices for the

illumination of rear registration plates of motor

vehicles and their trailers

1 Scope

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.

This Standard is applicable to devices for the illumination of rear registration

plates of motor vehicles and their trailers.

2 Normative references

The following referenced documents are indispensable for the application of

this document. For dated references, only the edition cited applies. For undated

references, the latest edition of the referenced document (including any

amendments) applies.

GB 4785 Prescription for installation of the external lighting and light

signalling devices for motor vehicles and their trailers

GB 15766.1 Lamps for road vehicles - Dimensional electrical and luminous

requirements

ECE R37 Uniform provides concerning the approval of filament lamps for

use in approved lamp units of power-driven vehicles and of their trailers

3 Terms and definitions

For the purposes of this document, the terms and definitions given in GB 4785

and GB 15766.1 apply.

4 Classification and different forms of illumination devices

3 according to application (as shown in Figure 1).

5 Requirements

6 Test methods

7 Inspection rules

8 Transitional requirements