Extech Instruments LT10 User Manual

6LT10‐en‐GB_v1.14/15
Appendices
TypicalLightLevels
Lux Foot
Candles
Lux Foot
Candles
Factories
Homes
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 Wor
k
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
Stores
Hospitals
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
R
e
l
a
t
i
v
e
R
e
s
p
o
n
s
e
400 450 500 550 600 650 700
Wavelength (nm)
- - - - - Light Meter Response
_____
CIE Response
1
0.8
0.6
0.4
0.2
0
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Extech Instruments LT10 Specifications

General

Brand	Extech Instruments
Model	LT10
Category	Measuring Instruments
Language	English