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Ultrasonic Digital Thickness Measurement - Level II

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Course Duration:     1 Day (8 Hours)                                                                                                   Course Fees:     $550
Objective:
Ultrasonic Digital 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 completion of the Ultrasonic Digital Thickness Measurement course, you will get in-depth knowledge of Ultrasonic Testing principles, sound waves, transducers, equipment, and application of Ultrasonic Testing techniques to test various product forms.

Training Examination & Certification Requirement:
During this Ultrasonic Digital Thickness Measurement training class, you will give an examination in General theory, Specification, and Practical. You are required 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 as per 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 40 Hours of on-job training (OJT) after completion of training classes for certification in this method.

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

  • Wave modes
  • Wave interaction & Interference  
  • Piezoelectric Transducer   
  • Ultrasonic Pulsar and Receiver  
  • Major Variables in Ultrasonic Testing
  • Code and Standard

Hands-on Training (Practical) Outlines:

  • Range Calibration
  • Velocity Comparison
  • Attenuation Check
  • Lamination Check
  • Flaw Sizing
  • Flaw Interpretation and Evaluation

Training Material
Training Course material is supplied at the start of training and divided into different sections followed by practice worksheets and quizzes. Training books also include some referencing code & specifications for examination procedure and for acceptance.
Referencing Code and Standards:

  • ASTM E 0797 – Measuring Thickness by Manual Ultrasonic Pulse-Echo Contact Method
  • ASTM SA 435 – Straight-Beam Examination of steel plate