Model PLC - Pipeline Counter


The PLC is installed in a pipeline from a grading machine or on the end of the pipe into a tank. The fish are counted when sliding through the pipeline, using infra-red light beams, a technology that VAKI has been using for over 25 years in its other products. A robust technology for harsh environment.


  • Easy to install / set up.
  • Accurate counting.
  • Gentle on fish – fish are in water at all times.
  • Can be mounted directly on the grader or on the end of the pipe into the tank.
  • Four scanners can be connected to the control unit.


  • Accuracy: over 98%.
  • Fish size: 10gr. - 10kg.
  • Capacity: 45000 fish/hour (50gr). see chart
  • Adaptors: for 110, 160 and 200mm pipes.
  • Power supply: 110–240V.
  • Single channel or 4 channel display.
  • Optional alarm.

Scanner Frame

  • Size: 450 x 450 x200mm.
  • Weight: 6kg.
  • Power requirement: 12V  supply direct from Control Unit.
  • Water-resistant (IP 67).

Control Unit

  • Power requirement:
  • - 12V DC for single channel.
  • - 230V AC for four channel.
  • Water-resistant housing (IP 66).
  • Single or four channel versions.

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