Specifies requirements for laboratory conditions, procedures and instrumentation for making photometric measurements on luminaires for interior and workplace lighting. It also specifies requirements for the derivation of certain photometric data needed for interior lighting calculations.
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Referenced documents
1.3 Definitions
1.4 Units and terminology
1.5 Measurement of solid state lighting devices
1.6 Photometric centre
1.7 Cut-off angle reference point
1.8 Coordinate systems for luminaires
2 Laboratory conditions and procedures
2.1 Scope of section
2.2 Laboratory measurements
2.2.1 Calibration of measurements
2.2.2 Principal photometric measurements
2.2.3 Subsidiary measurements
2.2.4 Derived values
2.3 Laboratory facilities
2.4 Status of measurements
2.5 Electric power supply and indicating instruments
2.6 Temperature control and indicating instruments
2.7 Photocells and associated apparatus
2.8 Selection of luminaires for test
2.9 Selection of ballasts for use with luminaires under test
2.10 Selection and preparation of lamps for use with luminaires under test
2.11 Operation and handling of lamps
2.12 Standard measuring conditions for luminaires
2.13 Standard measuring conditions for bare lamps
2.14 Stabilization
2.15 Measuring procedures
2.16 Recording of measurements
2.17 Issuing of test reports
3 Measurements of intensity
3.1 Scope of section
3.2 Purpose of goniophotometer
3.3 Design and construction
3.4 Optical path length
3.5 General requirements
3.6 Requirements for mirrors
3.7 Screening against stray light
3.8 Checking the goniophotometer
3.9 Selection of lamps, ballasts, luminaires
3.10 Mounting of the luminaire
3.11 Mounting of the bare lamp
3.12 Measuring conditions
3.13 Measurement of luminaire intensity distribution
3.13.1 General requirements
3.13.2 Spacing of measurements in azimuth
3.13.3 Spacing of measurements in elevation
3.14 Measurement of intensities from bare lamps
3.14.1 General requirements
3.14.2 Complete measurement
3.14.3 Simplified method
3.14.4 Multi-lamp luminaires
3.15 Recording measurements
4 Measurements of luminous flux
4.1 Scope of section
4.2 Purpose of photometric integrators
4.3 Construction
4.4 Reflecting surfaces
4.5 Components inside an integrator
4.6 Air temperature measurement
4.7 The test patch
4.8 Photocells and associated apparatus
4.9 Direct light screen
4.10 Auxiliary lamp
4.11 Checking the integrator
4.12 Selection of lamps, ballasts, luminaires
4.13 Mounting the luminaire
4.14 Mounting the bare lamp
4.15 Measuring conditions
4.16 Measuring procedure for light output ratio (LOR)
