Liquid Penetrant Level I/II

Liquid Penetrant Testing teaches students the basic principles governing the Testing and Inspection Process and familiarizes them with the different types of parts tested. 


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Course Features

  • Understand the basic principles governing the Testing and Inspection Process.
  • Be familiar with the different types of parts tested.
  • Be familiar with the basic procedures involved with the test method.
  • Understand the specific requirements for the technique and be able to properly select the procedure.
  • Understand the advantages and disadvantages of the test method.
  • Understand basic Metallurgy where related to NDT and the material tested.

You will be able to:

  • Use the different types of penetrant products available to industry.
  • Decide on the necessary items and products required to complete the job.
  • Follow a proper and authorized testing procedure.
  • Understand and recognize the typical surface discontinuities, flaws or irregularities.
  • Use the Black and White �lights� properly as needed.
  • Analyze the project situation and results required.
  • Be prepared to interpret results with a senior technician.

Key Points of Course � Level 1 and 2

Equipment discussed, including:

  • Your ability to understand various types and the functions of standard equipment.
  • Penetrant Facilities and their types, application and their use including Fluorescent, Wet and Dry methods, Portable and fixed units. Blacklight - checks and calibrations.

Surface Preparing, including:

  • Degreasing processes, surface scale and paints removal.


  • Their purpose, preparation, application and specific types � Water Washable, Post-emusifiable, Visible.

Washing, Cleaning:

  • Including knowledge for Coarse, stream spraying or dipping, liquid types and temperatures.


  • Purpose, types and procedures for use � Wet or Dry and time allottments.


  • With white or blacklight, filters and viewing environments.
  • Effects likely to encounter with various surfaces � cracks, porosity/pinholes, seams, shuts and machine marks and non-relevant indications.


  • Standards to follow and appraisal of the inspected piece(s).