International Electrotechnical Commission
Glossary

EN luminous efficacy
luminous efficacy of a source  
quotient of the luminous flux emitted by the power consumed by the source

Note 1 to entry:·Unit: lm/W.

TC/SC:82Terms     Info     Publications
Published in:IEC 62257-12-1, ed. 2.0 (2015-10) Terms     Info
Reference number:3.4

© Copyright 2021 IEC, Geneva, Switzerland. All rights reserved