High sensitive metal separator

for the inspection of free flowing-gravity fed bulk materials

The open frame construction allows unrestricted accessibility to all components for easy cleaning.

A variety of models to suit all applications and throughputs. Round apertures from 50 to 300mm, as well as square or rectangular openings are available.


  • Chemical and pharmaceutical industry
  • Food industrie
  • Pet food industry
  • Spice industry

Detection for all types of metals

  • Ferrous
  • Stainless steel
  • Aluminium
  • Copper
  • Brass
  • Others

The INDOSA electronic metal separators automatically detect and eject metallic contaminants from free falling bulk materials. Clean product passes freely through the reject assembly. A contaminant in the product stream alters the high frequency field generated by the search coil. The electronics evaluate this signal and generate an impulse for the solenoid and the double actuating air cylinder of the reject assembly. The contaminant is instantly diverted from the good product stream assuring minimal good product loss. The reject time is adjustable. In the case of several metal particles being present, the reject time will be extended accrdingly, to assure a metal free product.

Metal Separator - Monitoring system

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