IEVref:845-31-026ID:
Language:enStatus: Standard
Term: luminous range
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Definition: greatest distance at which a given signal light can be recognized in any particular circumstances, as limited only by the atmospheric transmissivity and by the threshold of illuminance at the eye of the observer

Note 1 to entry: This entry was numbered 845-11-28 in IEC 60050-845:1987.


Publication date:2020-12
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