Illuminance to DIN 5035/2

The minimum illuminances at workplaces are defined in DIN 5035, Part 2 and the relevant workplace guidelines. Compliance with these standards and guidelines, however, is no guarantee for a good lighting system in every case.

Illuminance guidelines
Example Illuminance [lx]
Operating theatre lighting 20,000...120,000
Sunny summer's day 60,000...100,000
Overcast summer's day 20,000
Overcast winter's day 3000
Well-lit workplace 500...750
Pedestrian precinct 5...100
Night-time, full moon 0.25
Night-time, new moon 0.01