Extech Instruments LT505 User Manual

LT505-en-GB_V1.1 1/18
8
Appendices
Typical Light Levels (1 Fc = 10.76 Lux)
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 Room, Dining Table
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
Spectral Sensitivity
Peak sensitivity wavelength: 550nm;
Deviation from comparative luminosity
standard: JIS standard C1609-1993.
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RELATIVE SENSITIVITY (%)
WAVELENGTH (nm)
LT505

Extech Instruments LT505 Specifications

General

Brand	Extech Instruments
Model	LT505
Category	Measuring Instruments
Language	English