Optical sorting device for friable material has camera unit with at least two color channels covering different sensitivity regions of spectrum

摘要

The sorting device has a camera unit (12) directed onto the flow (1), and also includes a separating unit (15). The camera unit has at least two, preferably three, color channels covering different sensitivity regions of spectrum. The background (13) includes a number of individual lamps (14), each emitting light with to a sensitivity region of the camera unit.