IEVref:845-09-39ID:
Language:enStatus: Obsolete
Term: light output ratio (of a luminaire)
Synonym1: luminaire efficiency, US
[Preferred]
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Definition: ratio of the total flux of the luminaire, measured under specified practical conditions with its own lamps and equipment, to the sum of the individual luminous fluxes of the same lamps when operated outside the luminaire with the same equipment, under specified conditions

NOTE – See note to 845-09-38.


Publication date:1987
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