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17-29-057

direct flux, <on a surface>

luminous flux received by the surface directly from a lighting installation

Note 1 to entry: The direct flux is expressed in lumen (lm).

Note 2 to entry: This entry was numbered 845-09-44 in IEC 60050-845:1987.

Note 3 to entry: This entry was numbered 17-316 in CIE S 017:2011.

Publication date: 2020-12
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