FIELD: transportation.
SUBSTANCE: method includes the steps of: transporting (S13) of the analyzing objects (3) on the conveyor belt (1); scanning (S14) of the objects (3) electromagnetic properties and the conveyor belt (1) by means of the electromagnetic sensor (9), at that the electromagnetic properties of the conveyor belt is dependent on the metallic contaminants (19), that are stuck in the conveyor belt (1); generation of the data on the belt properties, characterizing the electromagnetic properties of the conveyor belt (1), and the objects (3) analysis in accordance with the scanned electromagnetic properties and data on the belt properties. This gives the advantage, that while distinguishing the metallic and non-metallic objects, that need to be sorted, the electromagnetic properties of the conveyor belt (1) are taken into account, namely the effect of metal contaminants (19), that are stuck in the conveyor belt (1).
EFFECT: reduction of the influence on the objects sorting, which in the course of time get stuck in the conveyor belt, so that the sorting results can be improved.
26 cl, 7 dwg
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