International Electrotechnical Commission
Glossary

ENluminous efficacy (lm/W) 
quotient of the luminous flux emitted by the power consumed by the source

TC/SC:82Terms     Info     Publications
Published in:IEC 62257-12-1, ed. 1.0 (2007-06) Terms     Info
Reference number:3.3
Source:IEV 845-01-55
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