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
Waiting rooms, day lounges
 200
 ww, nw
 80
 22
Corridors: Daylighting
 200
 ww, nw
 80
 22
Corridors: Night lighting
 50
 ww, nw
 80
 22
Personal service rooms
 500
 ww, nw 80 19
Staff lounges
 300
 ww, nw 80 19
Bed rooms: Ambient lighting
 100
 ww, nw 80 19
Reading light 300
 ww, nw 80 19
Treatment rooms 300
 ww, nw 80 19
General examination and Treatment rooms 1000
 ww, nw, tw 90
 19
Night observation lighting 5
 ww, nw 80 -
Washbasin and Toilets
 200
 ww, nw 80 22
General examination and Treatment rooms: Ambient lighting 500
 ww, nw, tw 90
 19
Dressing room
 1000
 ww, nw, tw 90
 19
Medicinal baths
 500
 ww, nw 80 19
Massage and Physiotherapy
 300
 ww, nw 80 19
Laboratories: Ambient lighting 500
 ww, nw 80 19
Color checks 1000
 T > 6000 K 90
 19