SOUTH AFRICAN NATIONAL STANDARD

Transcription

1 ISBN SOUTH AFRICAN NATIONAL STANDARD Lights for motor vehicles Part 1: Incandescent lamps Published by Standards South Africa 1 dr lategan road groenkloof private bag x191 pretoria 0001 tel: fax: international code Standards South Africa

2 Table of changes Change No. Date Scope Amdt Amended to change the designation of certain lamps. Amdt Amended to include an additional lamp category. Amdt Amended to include additional categories of lamp that are covered in SANS Amdt Amended to add information relating to the compulsory application of the standard, to add chromaticity coordinates for white bulbs, and to change the definition of acceptable. Amdt Amended to include a conformity of production clause. Amdt Amended to add requirements for finished filament lamps emitting red light (3.6). Acknowledgement Standards South Africa wishes to acknowledge the valuable assistance derived from publications of the following organizations: a) Deutsches Institut für Normung; b) Economic Commission for Europe; and c) International Electrotechnical Commission. Foreword This South African standard was approved by National Committee StanSA TC , Lighting and optics for traffic and transport, in accordance with procedures of Standards South Africa, in compliance with annex 3 of the WTO/TBT agreement. This document was published in June This document supersedes SANS :2006 (edition 1.5). A vertical line in the margin shows where the text has been technically modified by amendment No. 6. For the compulsory application of this standard the stringency level, the introduction date and any additional requirements, if needed, are published in the applicable compulsory specification in the Government Gazette. Amdt 4 SANS 1376 consists of the following parts, under the general title Lights for motor vehicles: Part 1: Incandescent lamps. Part 2: Headlights. Part 3: Secondary lights.

3 Contents Page Acknowledgement Foreword 1 Scope Definitions Requirements Marking Sampling and compliance with part 1 of the specification Inspection and methods of test Inspection General conditions of testing Measurement of dimensions Aging test Colour test Measurement of initial power and of initial luminous flux Life test... 8 Appendix A Applicable standards Appendix B Luminous centre and shape of lamp filaments Appendix C Determination of internal dimensions of lamps

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5 Lights for motor vehicles Part 1: Incandescent lamps 1 Scope 1.1 This part of the specification covers incandescent tungsten filament lamps of the following categories for use in motor vehicles and trailers: R2, H1, H2, H3, H4, P21W, P21/5W, R5W, R10W, C5W, C18W, C21W, T4W, W3W and W5W. Amdt 1; amdt 2 This specification also covers other categories of lamp that are covered in SANS Amdt 3 NOTE The standards referred to in this part of the specification are listed in appendix A. 2 Definitions 2.1 For the purposes of this part of the specification the following definitions shall apply: acceptable acceptable to the authority administering this standard, or to the parties concluding the purchase contract, as relevant Amdt 4 aging operation of a new lamp for a period of one hour in order to stabilize its electrical characteristics before initial measurements are made category international designation describing the basic design of a standardized incandescent lamp, e.g. H1 or P21/5W Amdt 1 defective lamp that fails in one or more respects to comply with the relevant requirements of this part of the specification dipped beam beam of light used to illuminate the road ahead of a vehicle without causing excessive glare or discomfort to other drivers (particularly oncoming drivers) and other road users initial luminous flux luminous flux emitted by a lamp and measured at the end of the aging period initial power power of a lamp measured at the end of the aging period 3