Sighting hole smaller than the sensor’s field of view
Dirty lens or dirty sighting window
Smoke, steam, dust, gas in atmosphere
Emitted energy
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)
Figure 11: Sensor Placement in 2‐Color Mode
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 | 15 |