Ultrasonic A-Scan Thickness Measurement - Level  II

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Course Duration:     3 Days (24 Hours)                                                                                                 Course Fees:     $795
Objective:
Ultrasonic A-Scan Thickness Measurement - Level II, Classroom NDT training course is developed to meet the requirements of ASNT SNT-TC-1A, CP -189, and other equivalent standards and customer-specific written practice for training and certification in this method of Non-Destructive Testing personnel.
After completing the Ultrasonic A-Scan Thickness Measurement level II course, you will gain in-depth knowledge of Ultrasonic Testing principles, sound waves, and attenuation of sound, transducers, equipment, and application of Ultrasonic Testing techniques to test various product forms.
Training Examination & Certification Requirement:
During this Ultrasonic A-Scan Thickness Measurement class, you will give General theory, Specification, and Practical examinations. You'll need to successfully pass these three examinations with a minimum of 70% grading in each examination, and the average grading of all three examinations should be 80% minimum according to the requirement of ASNT SNT-TC-1A 2011.
OJT Hours: As per the requirements of ASNT SNT-TC-1A, you need to have a minimum of 175 Hours of on-job training (OJT) after completion of training classes for certification in this method.

Basic Principle of Ultrasonic A-Scan Thickness Measurement Testing
In the ultrasonic testing method, high-frequency sound waves are transmitted into a material to detect imperfections or to locate changes in material properties. The most commonly used ultrasonic testing technique is pulse echo. The sound is introduced into a test object, and reflections (echoes) are returned to a receiver from internal imperfections or the part's geometrical surfaces.
Course Description:

• Wave modes
• Wave interaction & Interference  
• Piezoelectric Transducer   UT-BScan
• Ultrasonic Pulsar and Receiver  
• Attenuation of sound
• Major Variables in Ultrasonic Testing
• Test Blocks and Instrument Calibration
• Straight Beam Testing
• Code and Standard

Hands-on Training (Practical) Outlines:

• Range Calibration
• Resolution Check
• Dead Zone Check
• Velocity Comparison
• Attenuation Check
• Corrosion Mapping
• Lamination Check
• Flaw Sizing
• Flaw Interpretation and Evaluation

Training Material: