Penetrant testing is used to detect surface breaking defects in ferrous and non-ferrous metals. The penetrant dye liquid is applied to the surface and gets sucked into cracks in the material due to capillary action. After cleaning the residue, a developer is applied which uses reverse capillary action to suck the dye out of possible cracks showing clear indications of otherwise invisible discontinuities.

Course duration:

Level 1 Upon request
Level 2 5 days
Level 3 after level 2 3 days
Level 3 directly 8 days

Exam duration:

1 day theory (ISO 9712 and ASNT)
1 day practical


MME Group has an accredited examination centre. That’s why an in-house examination by Hobéon SKO is possible at the end of the course in accordance with NEN-EN ISO 9712.

According to ISO 9712 and / or ASNT


  • Unless indicated otherwise, all NDT courses are taught in Dutch. Please contact us if you are interested in courses in English.
  • Recertifications or tailor-made courses can always be added to the planning.
PT recertification (October 2021)

Start date: 06 October 2021

End date: 08 October 2021

Practical exam: 08 October 2021

PT level 2 (October 2021)

Start date: 18 October 2021

End date: 26 October 2021

Theory exam: 25 October 2021

Practical exam: 26 October 2021

Contact us if you have a question or want to receive a quotation!


Why choose MME Group NDT courses?:

  • Education excellence since 1969
  • Fully certified
  • Level 1, 2 and 3 training
  • 3 theory classrooms
  • 4 practical rooms
  • Case based learning
  • E-learning
  • Fast enrollment possible
  • Also according to PCN
  • Recertification according to ISO 9712, ASNT and PCN

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Penetrant Testing (PT)
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