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BS ISO 6742-4:2023 – TC

$186.33

Tracked Changes. Cycles. Lighting and retro-reflective devices – Lighting systems powered by the cycle’s movement

Published By Publication Date Number of Pages
BSI 2023 56
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PDF Catalog

PDF Pages PDF Title
32 National foreword
36 Foreword
39 1 Scope
2 Normative references
3 Terms and definitions
40 4 Requirements for lighting systems powered by the cycle’s movement
4.1 General
4.2 Corrosion resistance
4.3 Water resistance
5 Requirements for open system
5.1 General
5.2 Front lights for open system
41 5.3 Rear lights for open system
42 5.4 Generators for open system
5.4.1 General characteristics of generators
5.4.2 Frictional drive generator
5.4.3 Positive drive generator
43 6 Requirements for closed system
6.1 General
6.2 Photometrical performance requirement between 5 km/h and 15 km/h
6.3 Photometrical performance requirement 15 km/h or higher
6.4 High speed endurance requirement
7 Test methods
7.1 Corrosion testing for both system
7.2 Water resistance for both system
7.3 Front lights for open system
7.4 Rear lights for open system
44 7.5 Generators for open system
7.5.1 General characteristics of generators
7.5.2 Frictional drive generators
46 7.5.3 Positive drive generators
47 7.6 Test methods for closed system
7.6.1 Power measurement
7.6.2 High speed endurance test
8 Instructions
9 Marking
9.1 Requirement
48 9.2 Durability test
9.2.1 Requirement
9.2.2 Test method
49 Annex A (normative) Electronic load for power-measurement of LED generators
51 Annex B (informative) Efficiency calculation
52 Annex C (informative) Verification of the electronic load
54 Bibliography
Status

Definitive

Pages

56

Publication Date

2023-09-12

ISBN

978 0 539 28546 8

Standard Number

BS ISO 6742-4:2023 – TC

Title

Tracked Changes. Cycles. Lighting and retro-reflective devices – Lighting systems powered by the cycle's movement

Descriptors

Photometry (light measurement), Marking, Test methods, Retroreflective materials, Cycles, Construction, Lighting systems, Reflectors (light)

Publisher

BSI

Committee

GME/25

ICS Codes 43.150 - Cycles
BS ISO 6742-4:2023 - TC
$186.33