Share this page


Boasting the highest capacity on the market, the TOMRA 3A is the most reliable and cost-effective optical sorter available for growers. Built to last, it is a durable, powerful, and highly efficient labor-saving solution specifically developed to provide unrivaled foreign material removal and exceed harvest demands. The machine is easy to use, simple to maintain, and its smooth install makes for an easy fit into the harvest cleaning and grading line, or out-of-storage sorting.


The TOMRA 3A utilizes NIR (Near Infra-Red) multi-spectral sensors for an unobstructed assessment of every object, seamlessly identifying between a good product and foreign material. Color sensors also enable the detection of unwanted green potatoes. Positioned at the end of the conveyor belt, intelligent finger ejectors achieve superior foreign material and green potato removal with minimum loss of good product.

The strategic combination of multi-spectral pulsed LED technology, high-resolution cameras, and TOMRA analysis software ensures the accurate and consistent removal of stones, soil clods, rocks, wood, bone, plastic, glass, metal, and rubber.

Enclosed in a fully sealed box, the camera is tolerant of most environmental conditions such as rain, wind, dust, and heat, and the optical system has no moving parts, making the TOMRA 3A the most mobile, dependable, and stable sorter available.


  • Significant Labor Reduction
  • Higher Yields
  • Enhanced Product Quality
  • Superior Foreign Material Removal
  • Reduced Risk of Deductions
  • Green Potato Removal
  • High Capacity for Quicker Harvest (up to 100 Tons/Hour possible)
  • Accommodates Various Soil Types and Coverages
  • Optimized Design for Gentle Handling With Fast and High Capacity Sorts
  • Reduced Storage Costs
  • Consistent Long-Life Accuracy
  • Quick and Easy Installation
  • User-Friendly
  • Simple to Use and Maintain



The farmers at Gumz are a unique breed of problem solvers who spend long days tending to their harvest while getting the most out of their land and hands. Brothers, Richard and Roderick, Gumz represent the fourth generation at their family farm in Wisconsin. The two brothers are committed to a work ethic and a land ethic – both of which they are very proud to share in their produce.

read more




The farm of Tremonvilliers (Oise) is equipped with a TOMRA 3A to sort its potato and red beet crops. The Tremonvillers farm installed a TOMRA 3A sorter in the Fall of 2020 in a specially built shed to sort and prepare its potatoes and red beets as they leave the fields. The TOMRA 3A gives farmers complete control over the production cycle: adapting to harvest peaks, providing unrivaled sorting quality, and eliminating the need for manual sorting. The TOMRA 3A has been operational for a few weeks and should pay for itself in three years.

read more


Working Principle

The produce is spread uniformly onto the infeed belt and scanned in-flight by a full-width NIR and color vision in the inspection zone. A few milliseconds later, the foreign material is rejected by intelligent finger ejectors, positioned off the end of the conveyor belt, while the good produce is conveyed away by the supplied accept take away conveyor.

working principle diagram

When it comes to boosting productivity, optimizing efficiency, and maximizing value, information is key. The TOMRA 3A is installed with a highly intuitive touchscreen user interface, making adjustments quick and simple if needed. This allows for monitoring at a glance with the bright information-rich display providing data from the sort and empowering you with actionable data and total control.



TOMRA Food contact us

Key features

Sensor technology

TOMRA 3C has introduced laser technology into the daily sorting sector. It uses high-resolution camera and laser units. After poured into the hopper, the feed falls onto the vibration plate and then falls further into the detection area after being evenly laid over the plate for dual-sided detection by laser and the colour camera. In a matter of milliseconds, the intelligent rejecting system gets rid of all defective products and foreign objects. Good produce directly fall into the qualified produce slot and defective products are diverted into the rejected product slot.


  • Unprecedented combination of Colour camera with Dual Laser
  • Unparalleled foreign object, shape and subtle discoloration sorting
  • Minimal breakage due to soft landing chutes
  • Low false ejection, higher yield
  • Hygiene design for easy cleaning

Sorting parameters

In sorting seeds, kernels and nuts, TOMRA 3C can efficiently remove:

  • Products with colour defects
  • Products with shape defects
  • Empty products
  • Glass (including transparent glass)
  • Plastics (including transparent plastics)
  • Stones
  • Soil lumps
  • Wood dust
  • Metal
  • Animal wastes