Extech Instruments LT40 User Manual page 7

Appendices
Typical Light Levels
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, Drafting
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
All rights reserved including the right of reproduction in whole or in part in any form
(1 Fc = 10.76 Lux)
Factories
Emergency Stairs, Warehouse
Exit/Entrance Passages
Packing Work
Visual Work: Production Line
Typesetting: Inspection Work
Office
Indoor Emergency Stairs
Corridor Stairs
Conference,
Reception Room
Clerical Work
Store
Indoors
Corridor/Stairs
Reception
Display Stand
Elevator
Show Window,
Packing Table
Copyright © 2013‐2017 FLIR Systems, Inc.
www.extech.com
Lux
100‐150
150‐200
200‐300
300‐500
500‐1,500
1,000‐2,000
75‐150
150‐300
300‐750
750‐1,500
30‐75
75‐100
100‐150
150‐200
200‐750
750‐1,500
5,000‐10,000
ISO‐9001 Certified
7
Foot
Candles
Home
10‐15 Washing
15‐20 Recreational
Activities
20‐30 Drawing Room,
Table
30‐50 Makeup
50‐150 Reading, Study
100‐200 Sewing
Restaurant
7‐15 Corridor Stairs
15‐30 Entrance,
Wash Room
30‐75 Cooking Room,
Dining Table
75‐150 Show Window
Hospital
3‐7 Emergency Stairs
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
LT40-en-GB_V3.0 10/17