17-352

downward light output ratio (of a luminaire)

ratio of the downward luminous flux of a 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

Unit: 1

See also NOTE to "optical light output ratio"

Abbreviation: "DLOR"

Theme by Danetsoft and Danang Probo Sayekti inspired by Maksimer