Product Manual

401025-en-GB_v2.9 5/18
7
Appendix A - Typical Light Levels
Lux
Foot
Candles
Lux
Foot
Candles
Factories
Home
20-75
2-7
Emergency Stairs,
Warehouse
100-150
10-15
Washing
75-150
7-15
Exit/Entrance Passages
150-200
15-20
Recreational
Activities
150-300
15-30
Packing Work
200-300
20-30
Drawing Room,
Table
300-750
30-75
Visual Work: Production
Line
300-500
30-50
Makeup
750-1,500
75-150
Typesetting: Inspection
Work
500-1,500
50-150
Reading, Study
1,500-
3,000
150-300
Electronic Assembly,
Drafting
1,000-
2,000
100-200
Sewing
Office
Restaurant
75-100
7-10
Indoor Emergency Stairs
75-150
7-15
Corridor Stairs
100-200
10-20
Corridor Stairs
150-300
15-30
Entrance, Wash
Room
200-750
20-75
Conference, Reception
Room
300-750
30-75
Cooking/Dining
Room
750-1,500
75-150
Clerical Work
750-1,500
75-150
Show Window
1,500-
2,000
150-2000
Typing, Drafting
Store
Hospital
75-150
7-15
Indoors
30-75
3-7
Emergency Stairs
150-200
15-20
Corridor/Stairs
75-100
7-10
Stairs
200-300
20-30
Reception
100-150
10-15
Sick Room,
Warehouse
300-500
30-50
Display Stand
150-200
15-20
Waiting Room
500-750
50-75
Elevator
200-750
20-75
Medical Exam Room
750-1,500
75-150
Show Window, Packing
Table
750-1,500
75-150
Operating Room
1,500-
3,000
150-300
Storefront, Show Window
5,000-
10,000
500-1000
Eye Inspection
Appendix B - Common Terms and Conversion Factors
Illuminance (Visible Flux Density)
1 lm/m
2
=
1 lux (lx)
10
-4
lm/cm
2
10
-4
phot (ph)
9.290 x 10
-2
lm/ft
2
9.290 x 10
-2
foot-candles
Luminance (Visible Flux Density per Solid Angle)
1 lm/m
2
/sr =
1 candela/m
2
Luminous Intensity (Visible Flux per Solid Angle)
1 lm/sr =
1 candella
Luminous Flux ( Visible Flux)
1 lumen (lm) =
1.464 x 10
-3
watts @ 555 nm
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