What
is lumens ?....
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The unit of measure commonly used to describe LED intensity is the millicandela
(mcd), 1000 millicandela equals 1 candela.
Candelas measures how much light is produced as measured at the light source.
The unit of measure commonly used for most other light sources is the Lumen.
Lumens measure how much light actually falls on a surface.
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How much light do
I get from incandescent bulb, fluorescent tube, Economic bulb ?....
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TYPE |
Power |
Intensities
luminous |
Equivalent
bulb incandescent |
Dimension |
Bulb
incandescent - 220V AC |
25
W |
220
lm |
- |
- |
Bulb
incandescent - 220V AC |
40
W |
420
lm |
- |
- |
Bulb
incandescent - 220V AC |
60
W |
710
lm |
- |
- |
Bulb
incandescent - 220V AC |
100
W |
1360
lm |
- |
- |
|
Economic Bulb - 220V AC
|
8
W |
400
lm |
aprox.
40 W |
- |
Economic
Bulb - 220V AC |
12
W |
600
lm |
aprox.
60 W |
- |
Economic
Bulb - 220V AC |
15
W |
900
lm |
aprox.
75 W |
- |
Economic
Bulb - 220V AC |
21
W |
1200
lm |
aprox.
100 W |
- |
|
Tube
fluorescent - 220V AC |
58
W |
4500
lm |
aprox.
100W + 100W + 100 W |
150
cm |
Tube
fluorescent - 220V AC |
36
W |
2800
lm |
aprox.
100 W + 100 W |
120
cm |
Tube
fluorescent - 220V AC |
30
W |
2100
lm |
aprox.
60 W + 100 W |
90
cm |
Tube
fluorescent - 220V AC |
18
W |
1150
lm |
aprox.
60 W + 40 W |
60
cm |
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How do I
transform lumens in milicandels ?...
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