The standard values for service illuminance (Em [Lux]), color appearance (F), color rendering group (Ra), and unified glare restriction (UGRL) according to EN 12464-1 are listed in the table for the various types of interior or activity. The ratings for service illuminance, color rendering group, and direct glare restriction class represent minimum values to be met by the lighting system.


Interiors / Activities

Em[lx]

F

Ra

UGRL

Loading and operating machines and conveyors Stables and sheds

200

ww, nw

80

25

Poultry and small animals

50

ww, nw

40

-

Cows, horses

100

ww, nw

40

-

Sick animals and calving stalls

200

ww, nw

80

25

Feed preparation, milk parlours, wash points

200

ww, nw

80

25