The standard values for service illuminance (Em [Lux]), color appearance (F), color rendering group (Ra), and unified glare restriction class (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

Workstations at vats and pits

200

ww, nw

40

25

Shaving, skiving, smoothing, drumming

300

ww, nw

80

25

Saddlery, stitching, sewing, polishing, pressing, cutting, shoe production

500

ww, nw

80

22

Sorting

500

nw: T > 4000 K

90

22

Dyeing 500
ww, nw 80 22

Quality controls

1000

ww, nw, tw

80

19

Dyeing controls

1000

nw: T > 4000 K

90

16

Shoemaker

500

ww, nw

80

22

Glove manufacture

500

ww, nw

80

22