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Housing Design
※ Note: Conduct an optical analysis for the housing design to ensure optimal scanning and imaging performance.
Housing design should make sure that internal reflections from the aiming and illumination system are not directed back to
the engine. The reflections from the housing or window can cause problems. Avoid any highly reflective objects around the
engine that can cause bright spots to appear in the captured image. It is recommended to use baffles or matte-finished dark
internal housing colors.
Optics
The EM20-85 uses a sophisticated optical system. An improperly designed internal housing or improper selection of
window material can degrade the engine's performance.
Window Placement
The window should be positioned properly to let the illumination and aiming beams pass through as much as possible and
no reflections back into the engine (reflections can degrade the reading performance).
The window should be mounted directly against the front of the engine (a=0).
Figure 2-2
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