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average illuminance

Ev,av; ; Eav;

illuminance averaged over a specified surface

Note 1 to entry: When stating the average illuminance it is necessary to provide a clear indication of the type of illuminance at the points of the surface, i.e. horizontal, vertical, spherical, cylindrical or semi-cylindrical.

Note 2 to entry: The average illuminance is expressed in lux (lx = lm·m−2).

Note 3 to entry: This entry was numbered 17-63 in CIE S 017:2011.

Publication date: 2020-12
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