SIDDHI INDUSCAN PS-600/PS-800/PS-1000 (for 600mm/800mm/1000mm Conveyor Belt Width Respectively) is a metal detector used to detect unwanted metal parts (Ferrous and Non-Ferrous) on the moving conveyor belt at a stone crusher. It instantly gives audible and visual alarms when a suspect metal object passes over its sensor coil. Also, the belt stops automatically, if the relay output contacts on the Control Unit are connected to the belt operating mechanism.