BSI DD IEC/PAS 62717:2011
$189.07
LED modules for general lighting. Performance requirements
| Published By | Publication Date | Number of Pages |
| BSI | 2011 | 50 |
IEC/PAS 62717:2011(E) specifies the performance requirements for LED modules, together with the test methods and conditions, required to show compliance with this PAS.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | CONTENTS |
| 8 | FOREWORD |
| 10 | INTRODUCTION |
| 11 | 1 Scope Figure 1 – Types of LED modules |
| 12 | 2 Normative references |
| 13 | 3 Terms and definitions |
| 16 | 4 Marking 4.1 Mandatory marking |
| 17 | 4.2 Additional marking Table 1 – Mandatory marking and location of marking a Table 2 – LED module life time information |
| 18 | 5 Dimensions 6 Test conditions 6.1 General test conditions Table 3 – Optional marking and location of marking |
| 19 | 6.2 Creation of module families to reduce test effort Table 4 – Allowed variations within family |
| 20 | 7 Module power |
| 21 | 8 Light output 8.1 Luminous flux 8.2 Luminous intensity distribution, peak intensity and beam angle |
| 22 | 8.3 Efficacy 9 Chromaticity co-ordinates, correlated colour temperature (CCT) and colour rendering 9.1 Chromaticity co-ordinates |
| 23 | 9.2 Correlated colour temperature (CCT) 9.3 Colour rendering index (CRI) Table 5 – Tolerance (categories) on rated chromaticity co-ordinate values |
| 24 | 10 LED module life 10.1 General 10.2 Lumen maintenance Table 6 – Lumen maintenance code at an operational time as stated in 6.1 |
| 26 | 10.3 Endurance tests Figure 2 – Luminous flux depreciation over test time |
| 27 | 11 Verification |
| 28 | 12 Information for luminaire design Table 7 – Sample sizes |
| 29 | Annex A (normative)Method of measuring LED module characteristics |
| 32 | Annex B (informative)Information for luminaire design |
| 33 | Annex C (informative)Explanation of recommended life time metrics |
| 34 | Figure C.1 – Life time specification for gradual light output degradation |
| 35 | Figure C.2 – Life time specification for abrupt light output degradation |
| 36 | Figure C.3 – Reliability curve Rgradual for gradual light output degradation Figure C.4 – Reliability curve Rabrupt for abrupt light output degradation |
| 37 | Figure C.5 – Combined Rgradual and Rabrupt degradation Table C.1 – Recommended x and y values for life time metricsto be used in life time specification |
| 38 | Annex D (normative)Explanation of the photometric code |
| 39 | Annex E (informative)Meaning of confidence intervals |
| 40 | Figure E.1 – t-distribution with right sided confidence interval (1-() |
| 41 | Table E.1 – Values of the t-distribution |
| 42 | Annex F (informative)Examples of LED dies and LED packages Figure F.1 – Schematic drawings of LED dies |
| 43 | Figure F.2 – Schematic drawings of LED packages |
| 44 | Annex G (informative)Optimised test duration for future consideration |
| 46 | Bibliography |
