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installation flux density, <for an interior lighting installation>
quotient of the sum of the individual total output fluxes of the luminaires of an installation and the floor area
Note 1 to entry: The installation flux density is expressed in lumen per square metre (lm·m−2).
Note 2 to entry: This entry was numbered 845-09-48 in IEC 60050-845:1987.
Note 3 to entry: This entry was numbered 17-586 in CIE S 017:2011.