Level III
ET - Electromagnetic Testing

Topical Outline

This examination is 4 hours in length, having 135 questions of equal value.

1. Principles/Theory
2. Equipment Materials
   • Probes
   • Factors affecting choice of sensing elements
   • Read out selection
   • Instrument design considerations
3. Techniques/Calibrations
• Factors which affect coil impedance
• Selection of test frequency
• Coupling
• Field strength
4. Interpretation/Evaluation
5. Procedures

References

The number in parentheses following each reference is the ASNT catalog number.

• Level III Study Guide: Eddy Current Testing (2257)
• NDT Handbook: Volume 5, Electromagnetic Testing (145)
• Fundamentals of Eddy Current Testing (470)
• Supplement to Recommended Practice No. SNT-TC-1A (Q&A Book) - Eddy Current/Flux Leakage Testing Method (2030)

Refresher Course

ASNT offers an ET Refresher Course based on the above topical outline.

 

 

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