Ultrasonics uses transmission of high frequency sound waves into a material to detect imperfections or to locate changes in material properties.


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Course Features

You should:

  • Understand the basic principles governing the Testing and Inspection Process.
  • Understand the ‘forces’ that cause the screen/meter indications.
  • 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:

  • Be aware of the different types of equipment and products available to industry with regards to industrial ultrasonics.
  • Decide on the necessary items and products required to complete the job.
  • Determine/select a proper and authorized testing procedure.
  • Understand and recognize the typical surface and sub-surface discontinuities, flaws or irregularities.
  • Use the different scan systems, longitudinal/shear wave techniques, contact and immersion testing.
  • Analyze the project situation and provide results required.
  • Be prepared to interpret performance results.

Key Points of Course - Level 2

Equipment employed, including:

  • Your ability to understand the various types and the functions of standard equipment.
  • To see portable and stationary, automatic and manual types of equipment, application and use including bridges and manipulators and various transducers for A, B and C scan systems.

Test Systems:

  • Information for general Theory of through and reflected transmission principles, single and double, straight and angle transducers. Couplants and wedges/shoes with basic knowledge of the cathode ray tube and screen displays and controls.

Testing Techniques:

  • Only the two basic techniques of Contact and Immersion are required and used for this Level 2 course. The Phased Array Technique is provided for information purposes only.


  • Calibration requirements and methods with various blocks, steps and meters used. Reference standards and their vital role in Ultrasonic testing for industry needs.

Evaluation Techniques and Standards:

  • Discontinuity and Defect identification including some sizing and location factors and object appraisal. The use of industry standards and their applicability to the test method.