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1 lux (lx) per square meter of the illuminated surface is equivalent to 1 lumen luminous flux (lm) when illumination. Midday summer sun is strong ground illumination about 5000 lx, winter sunny day ground illumination of about 2000 lx, clear moonlit ground illumination of about 0.2 lx.
Maintenance of outdoor lighting illuminance values recommended range:
Illumination range (lx) Evaluation plane Applications
1 ~ 10 level comfort, general warehouse
Vertical security, more casual sports training places
10 to 15 levels of cargo handling, less demanding work area, garage
50 to 100 levels of demanding work areas, sports activities, playground
Vertical air service area, advertising
100 to 150 levels of sport clubs and competitions, sales area
Vertical advertising, sports competitions
500 to 1000 vertical with spectator sport
1000 to 2000 vertical televised sporting events |