IEVref:845-07-65ID:
Language:enStatus: Obsolete
Term: luminous flux maintenance factor
Synonym1: lumen maintenance (of a lamp)
[Preferred]
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Definition: ratio of the luminous flux of a lamp at a given time in its life to its initial luminous flux, the lamp being operated under specified conditions

NOTE – This ratio is generally expressed in per cent.


Publication date:1987
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