Viewing Angles - RayTek MARATHON FA Operating Instructions Manual

4.7 Viewing Angles
The optical head can be placed at any angle from the target up to 30° for one‐color mode, or 45° for
two‐color mode.
Marathon Series FA/FR
Sighting hole smaller than the
sensor's field of view
Dirty lens or dirty sighting window
Smoke, steam, dust,
gas in atmosphere
Figure 11: Sensor Placement in 2‐Color Mode
Sensor Location
Emitted
energy
Emitted
energy
Emitted
energy
Target smaller than field of view
and/or moves or vibrates in and
out of field of view (e.g. wire)
Emitted
energy
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