The luminaire efficiency factor for professional luminaires
Eddy Ceelen, CELMA, Belgium
Keywords
Luminaires, CELMA, Utilization factor, Luminaire Efficiency Factor, Reflectance, Room index, LEF Format
Abstract
This paper presents CELMA's draft view to the saving of energy of
professional LUMINAIRES. CELMA is a European, non-profit making,
Federation representing 18 National manufacturers Associations for
Luminaires and Electrotechnical Components for Luminaires. CELMA
Associations are representing some 12.000 companies in the Luminaires
and Electrotechnical Components for Luminaires industries in 11
European countries. These producers, which include many small and
medium-sized companies, directly employ some 100.000 people and
generate 7 billion Euro annually.