Spectral Sensitivity - Extech Instruments LT505 User Manual

Appendices
Typical Light Levels (1 Fc = 10.76 Lux)
Lux Foot
Candles
20-75 2-7
75-150 7-15
150-300 15-30
300-750 30-75
750-1,500 75-150
1,500-3,000 150-300 Electronic Assembly,
75-100 7-10
100-200 10-20
200-750 20-75
750-1,500 75-150
1,500-2,000 150-2000 Typing, Drafting
75-150 7-15
150-200 15-20
200-300 20-30
300-500 30-50
500-750 50-75
750-1,500 75-150
1,500-3,000 150-300 Storefront, Show Window

Spectral Sensitivity

Peak sensitivity wavelength: 550nm;
Deviation from comparative luminosity
standard: JIS standard C1609-1993.
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Factories
Emergency Stairs,
Warehouse
Exit/Entrance Passages
Packing Work
Visual Work: Production
Line
Typesetting: Inspection
Work
Drafting
Office
Indoor Emergency Stairs
Corridor Stairs
Conference,
Reception Room
Clerical Work
Store
Indoors
Corridor/Stairs
Reception
Display Stand
Elevator
Show Window,
Packing Table
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Lux Foot
Candles
100-150 10-15
150-200 15-20
200-300 20-30
300-500 30-50
500-1,500 50-150
1,000-2,000 100-200 Sewing
75-150 7-15
150-300 15-30
300-750 30-75
750-1,500 75-150
30-75 3-7
75-100 7-10
100-150 10-15
150-200 15-20
200-750 20-75
750-1,500 75-150
5,000-10,000 500-1000 Eye Inspection
WAVELENGTH (nm)
8
Home
Washing
Recreational Activities
Drawing Room, Table
Makeup
Reading, Study
Restaurant
Corridor Stairs
Entrance,
Wash Room
Cooking Room, Dining Table
Show Window
Hospital
Emergency Stairs
Stairs
Sick Room, Warehouse
Waiting Room
Medical Exam Room
Operating Room
LT505
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