SICK Ranger E

Reference Manual Chapter 3
Ranger E/D
©SICK AG • Advanced Industrial Sensors • www.sick.com • All rights reserved 27
Mounting Rangers and Lightings
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Figure 3.10 –The spectrum of a white LED plotted in magenta. It has a peak in the blue
range that fits well with the blue filter on the sensor, and has a fairly low
amount of red in the spectrum.
3.5.5 Colored LEDs
An LED illumination can also be made from individual red, green and blue LEDs. In this
case the spectrum of each LED must fall within the respective filter bands. In this case the
balance depends on the individual power of the LEDs.
Li
g
ht wavelen
g
th
[
nm
]
Response
[ADu per pixel / (µJ/cm
2
)]
M12 Color Response