# 17-29-157

maintained average illuminance

Ev,av,m; ; Eav,m;

value below which the average illuminance over a specified surface is not permitted to fall

Note 1 to entry: The maintained average illuminance is the average illuminance over the specified surface at the time maintenance should be carried out.

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

Note 3 to entry: This entry was numbered 17-750 in CIE S 017:2011.

Publication date: 2020-12