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Guardian Sorter

The PPM Technologies Guardian Sorter wide belt vision system scans for defects and tonal variations on a variety of wet, dry, or oily products. High resolution (2,048 pixel) line scan cameras and a precise reject system maintain accuracy and reliability.

The Guardian Sorter detects subtle color and monochromatic shade variations in product that is not visible to the human eye. The patented HSI (Hue, Saturation, and Intensity) offers an advanced color recognition system. And, the “Bull’s Eye” aiming technique and variable ejector spacing assures high accuracy defect removal. These features provide a consistent, high quality sort with minimal yield loss. From vegetables to potato chips, the Guardian Sorter offers a flexible solution for a variety of application needs. The flexibility of On-belt and Off-belt scanning and single or duals cameras allow users to sort a wide range of products.


  • Non-proprietary economical lighting systems
  • Patented HSI Technology provide improved color distinction
  • Consistent performance between sanitation cycles
  • Simultaneous monochromatic and hue/saturation sorting

Sorting by Color

Potato Chips
French Fries
Nuts & Beans
Seeds & Grains