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BSI 22/30434564 DC 2022

$13.70

BS ISO 6742-4. Cycles. Lighting and retro-reflective devices – Part 4: Lighting systems powered by the cycle’s movement

Published By Publication Date Number of Pages
BSI 2022 23
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 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
11 5.3 Rear lights for open system
5.4 Generators for open system
5.4.1 General characteristics of generators
12 5.4.2 Frictional drive generator
5.4.3 Positive drive generator
6 Requirements for closed system
6.1 General
6.2 Photometrical performance requirement at 15€km/h
6.3 High speed endurance requirement
13 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
7.5 Generators for open system
7.5.1 General characteristics of generators
7.5.2 Frictional drive generators
15 7.5.3 Positive drive generators
16 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
17 9.2 Durability test
9.2.1 Requirement
9.2.2 Test method
18 Annex€A (informative) Electronic load for power-measurement of 6€V/1,5€W LED generators
20 Annex€B (informative) Efficiency calculation
21 Annex€C (informative) Verification of the electronic load
23 Bibliography
BSI 22/30434564 DC 2022
$13.70