lumen per watt


Also found in: Acronyms.

lumen per watt

[′lü·mən pər ′wät]
(optics)
The unit of luminosity factor and of luminous efficacy. Abbreviated lm/w.
References in periodicals archive ?
This unit is constructed with CREE LEDs that have been chosen for their high lumen per watt ratio and extreme longevity.
This new handheld LED spotlight features a specially selected Cree LED that has been chosen for its lumen per watt ratio and extreme longevity, said Rob Bresnahan, CEO of Larson Electronics.
These LEDs are the first high-power LEDs to break through the 100 lumen per Watt mark and demonstrate the real potential of solid-state lighting technology.
A) Solar Plate wattage -Total 100 W (make-Reliance,Tata and breda) B) Battery-- make Exide 75 Plate C) LED 12w ( 2 x12 LED light each pole) , Lumen per watt m 90-100 lm,Luminous flux 2700-3000
E-POD energy reduction luminaire provides dimmable, 89 lumen per watt electronic metal halide, 3-120 watt CFL or 100,000 hour induction lamping.