ASNT AE Level III – Refresher Course (Online)

The ASNT Acoustic Emission (AE) Level III Refresher Course by NDTWorldwide® is designed for experienced Acoustic Emission Level II and Level III professionals who are preparing to renew or revalidate their ASNT AE Level III certification. The course focuses on refreshing essential technical knowledge and reinforcing Level III responsibilities in a clear, structured, and exam-oriented manner.

This refresher program provides a focused review of key Acoustic Emission topics, including AE principles and theory, instrumentation and equipment, test techniques, signal processing, data interpretation and evaluation, and procedure requirements. Emphasis is placed on understanding acoustic emission test systems, source location techniques, noise identification and control, loading procedures, and advanced signal processing methods used in practical AE testing.

The course also helps participants remain up to date with applicable AE codes, standards, standardized and user-developed procedures, and common industrial applications of acoustic emission testing. Through targeted revision and practical insight, candidates strengthen their confidence, technical judgment, and exam readiness, supporting continued performance as competent and responsible ASNT AE Level III professionals.

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ASNT AE Level III – Refresher Course (Online)

Training Objective

ASNT AE Level III – Refresher Course (Online)

    Principles / Theory

    • Understand the basic principles of acoustic emission and stress-wave generation in materials.
    • Learn how acoustic emission signals are produced, detected, and transmitted.
    • Understand signal detection, conditioning, and processing concepts used in AE testing.

    Equipment

    • Become familiar with acoustic emission test systems and their components.
    • Understand the use of sensors, cables, signal conditioning units, and data acquisition systems.
    • Learn factors affecting equipment selection, system setup, and calibration.

    Techniques

    • Understand acoustic emission test techniques and loading methods.
    • Learn source location techniques and accessory testing methods.
    • Apply advanced signal processing techniques for improved test reliability.
    • Understand special AE test procedures used for different applications.

    Interpretation / Evaluation

    • Understand AE data display methods and signal characteristics.
    • Learn to identify and control noise sources during testing.
    • Interpret acoustic emission data and evaluate results based on test objectives.
    • Apply evaluation criteria to determine the significance of detected emissions.

    Procedures

    • Understand the requirements of standardized, codified, and user-developed AE procedures.
    • Learn how to prepare, review, and approve acoustic emission testing procedures.
    • Ensure procedures comply with applicable codes, standards, and recommended practices.

    Applications

    • Understand practical applications of acoustic emission testing in industry.
    • Learn how AE is applied to pressure vessels, tanks, structures, and other components.
    • Apply AE knowledge to select suitable testing approaches and support engineering decisions.

Who Should Attend

This ASNT AE Level III – Refresher Course is ideal for professionals seeking certification and technical advancement:

    • Aspiring ASNT AE Level III candidates
    • NDT professionals – Managers, Engineers, Supervisors, Inspectors, Technicians
    • QA/QC & Welding professionals
    • Metallurgists, Mechanical & Production Engineers
    • Asset Integrity & RBI Inspectors
info

Note: No prerequisites to attend the course.
ASNT exam eligibility requires minimum education and experience, as per ASNT published guidelines.
A focused refresher for professionals aiming at ASNT AE Level III success.

ASNT AE Level III – Refresher Course – Syllabus

    Number of Items: 135
    Time for Completion: 4 hours

  1. Instrumentation and Signal Processing
  2. Cables
  3. Signal Conditioning
  4. Signal Detection
  5. Signal Processing
  6. Source Location Techniques
  7. Acoustic Emission Test Systems
  8. Accessory Techniques
  9. Advanced Signal Processing Techniques
  10. Acoustic Emission Test Techniques
  11. Factors Affecting Test Equipment Selection
  12. Equipment Calibration and Setup for Test
  13. Loading Procedures
  14. Special Test Procedures
  15. Data Display
  16. Noise Sources and Pre-Test Identification Techniques
  17. Precautions Against Noise
  18. Data Interpretation
  19. Data Evaluation
  20. Reports
  21. Codes, Standards, Procedures, and Societies
  22. Guide-Type Standards (e.g., Glossaries,Calibration)
  23. Standardized and Codified AE Test Procedures
  24. User-Developed Test Procedures
  25. Societies Active in AE
  26. Applications of Acoustic Emission Testing

Books to be Studied (Main References)

Document Edition
1. Nondestructive Testing Handbook, Vol. 6: Acoustic Emission Testing (AE)
 3rd Edition
2. ASNT Questions & Answers Book: Acoustic Emission Testing (AE)
 3rd Edition
3. ASME BPVC Section V-Nondestructive Examination 
 2025 Edition
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ASNT AE Level III Refresher Course Schedule

ASNT AE Level III – Refresher Course (Online)

    • Course Dates: 2nd Feb 2026 to 28th Feb 2026 (20 Days)
    • Course Duration: 60 Hours
    • Course Mode: Online (Through Zoom)
    • Class timings: 8:30 PM to 11:30 PM IST
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