... metal fragments (iron, copper, aluminum, lead, tin, stainless steel, etc.) inside raw materials, such as aquaculture, fishery, dried ... Quiet, smooth running, long life performance.(9) Stainless steel frame construction and search coil make the equipment anticorrosive and durable ... , copper(3) Detection Wide: 450mm(4) Material of Frame: Stainless steel(5) total weight: 200KG(6) Voltage: 220V 50Hz( ...