Spectral Sensitivity - Extech Instruments LT45 User Manual

Appendix
Typical Light Levels
Lux Foot
Candles
20‐75 2‐7 Emergency Stairs, Warehouse
75‐150 7‐15 Exit/Entrance Passages
150‐300 15‐30 Packing Work
300‐750 30‐75 Visual Work: Production Line
750‐1,500 75‐150 Typesetting: Inspection Work
1,500‐3,000 150‐300 Electronic Assembly, Drafting
75‐100 7‐10 Indoor Emergency Stairs
100‐200 10‐20 Corridor Stairs
200‐750 20‐75 Conference,
Reception Room
750‐1,500 75‐150 Clerical Work
1,500‐2,000 150‐2000 Typing, Drafting
75‐150 7‐15 Indoors
150‐200 15‐20 Corridor/Stairs
200‐300 20‐30 Reception
300‐500 30‐50 Display Stand
500‐750 50‐75 Elevator
750‐1,500 75‐150 Show Window,
Packing Table
1,500‐3,000 150‐300 Storefront, Show Window
Spectral Sensitivity
Peak sensitivity wavelength: 550nm
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Factories
100‐150
150‐200
200‐300
300‐500
500‐1,500
1,000‐2,000
Office
150‐300
300‐750
750‐1,500
Store
100‐150
150‐200
200‐750
750‐1,500
5,000‐10,000
9
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Lux Foot
Candles
10‐15 Washing
15‐20 Recreational
Activities
20‐30 Drawing Room,
Table
30‐50 Makeup
50‐150 Reading, Study
100‐200 Sewing
75‐150 7‐15 Corridor Stairs
15‐30 Entrance,
Wash Room
30‐75 Cooking Room,
Dining Table
75‐150 Show Window
30‐75 3‐7 Emergency Stairs
75‐100 7‐10 Stairs
10‐15 Sick Room,
Warehouse
15‐20 Waiting Room
20‐75 Medical Exam Room
75‐150 Operating Room
500‐1000 Eye Inspection
WAVELENGTH (nm)
Home
Restaurant
Hospital
LT45
LT45-EU-EN v1.4 9/13