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SensorLocation
MarathonSeriesFA/FR 15
Figure11:SensorPlacementin2‐ColorMode
4.7ViewingAngles
Theopticalheadca nbeplacedatanyanglefromthetargetupto30°forone‐colormode,or45°for
two‐colormode.
Emitted
energy
Emitted
energy
Emitted
energy
Emitted
energy
Sighting hole smaller than the
sensor’s field of view
Dirty lens or dirty sighting window
Smoke, steam, dust,
gas in atmosphere
Target smaller than field of view
and/or moves or vibrates in and
out of field of view (e.g. wire)