BS 161:1990

Brief history
Technical text
Preface of IEC publication 64 (1987)
Section one - General
Clause
1 Scope
2 Object
3 Definitions
Section two - Sampling
4 Principles of sampling
5 Whole production testing
6 Batch testing
Section three - Requirements for dimensional
                characteristics
7 Lamp dimensions
Section four - Requirements and conditions of test for
               rating and for life
8 Ageing
9 Initial readings requirements
10 Photometry
11 Life test requirements
12 Life test procedure
Section five - conditions of compliance
13 General
14 Whole production of a manufacturer
15 Individual batches
Appendix A (normative) - Characteristics of tungsten
                         filament lamps for general
                         lighting service to which this
                         standard applies
Appendix B (normative) - Dimensions
Appendix C (normative) - Initial readings
Appendix D (normative) - Recommended pre-compliance test
                         for certification purposes
Appendix E (normative) - Life performance
Appendix F (normative) - Test rack circuit
                         characteristics
Appendix G (normative) - Statistical concepts and basis
                         of this standard
Appendix ZA (normative) - Other international
                          publications quoted in this
                          standard

Supplies the performance requirements for incandescent lamps for general lighting services which comply with the requirements of BS 5971.