《Testing Procedures for SSL Products》.pdf

Testing Procedures for Solid State Lighting Products DOE SSL Market Introduction Workshop July 9-11, 2008 Status of SSL Testing Procedures • ANSI C78.377 - Specifications for the Chromaticity of Solid State Lighting Products Published February 2008 • IES LM-79-08 - Electrical and Photometric Measurements of Solid-State Lighting Products Published May 2008 • IES LM-80 - Method for Measuring Lumen Maintenance for SSL Light Sources Expected Summer 2008 Testing to IES LM-79-08 • Goniophotometry • Integrating Sphere (Photometry and Spectrometry) Goniophotometry - LM-79-08 • Absolute Photometry • Type C Goniophotometer • Color-Corrected Detector Goniophotometry LM-79-08 • Luminous Intensity Distribution • Total Luminous Flux • Zonal Lumen Sums • IES Format File Goniophotometry LM-79-08 The results can be used to • IES Format Files predict the performance • Illuminance (Footcandles, Lux) of the luminaire in its • Average footcandles within a application. space, max/min ratios, etc. Relative Photometry Luminaires that use conventional lighting sources are usually tested using relative photometry. • The luminaire is measured. • The lamp(s) and ballast(s) are removed and measured. • Luminaire Efficiency can