All TekPro products are designed and manufactured exclusively at their engineering facility in the beautiful county of Norfolk, in the UK.

Tekpro is the home of Samplex, Holmen, and Insectomat…


The Holmen range of Pellet Durability Testers offer a fast and reliable method for testing PDI or Mechanical Durability. From feed pellets to wood pellets, either manual or automatic testing, Holmen provides a solution for your mill.


insectomat 1

The Insectomat provides a quick and accurate method for testing wheat, barley and oats for insect infestation.

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