Extech Instruments EA30 User Manual

EA30 V2.0 06/06 7
Appendix
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 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
400 450 500 550 600 650 700
Wavelength (nm)
- - - - - Light Meter Response
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CIE Response
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0.8
0.6
0.4
0.2
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Extech Instruments EA30 Specifications

General

Brand	Extech Instruments
Model	EA30
Category	Measuring Instruments
Language	English