TM-201/202/204/205
EN-11
10. RECOMMENDED LEVELS OF
ILLUMINATION
Suitable levels of illuminance
(According to the JIS standard Z 9110-1979)
Offices
Illuminance (lux) Place
1500 to 750
Offices, designing, drawing rooms
750 to 300
Offices, conference rooms, computer
rooms
300 to 100
Workrooms, corridors, stairways,
restrooms
75 to 30
Indoor emergency stairways
Factories
Illuminance (lux) Place
3000 to 1500
Where such work as assembling,
inspecting testing, selecting,
extremely precision visual work
1500 to 750
Assembling, inspecting, testing,
selecting, precision visual work
750 to 300
Assembling, inspecting, testing,
selecting and visual ordinary work
300 to 150
Wrapping and packing
75 to 30
Indoor emergency stairways
