NDT Level 2 Eddy Current Testing, Weld Inspection

Posted on January 24, 2019 in eddy current testing, NDT, Training

SCHEDULE : 16 – 27 September 2019

FEE : RP. 18.500.000,- (Include Akomodasi)

VENUE : Lynn Hotel by Horison

(Jogokaryan, Yogyakarta)




This course meets the training syllabus requirements of ASNT SNT-TC-1A to provide a thorough grounding in the principles of eddy current testing and the fundamentals of engineering, materials and components inspection, such that the technician will be able to :

  • identify the suitability of eddy current testing for all materials and inspection applications
  • provide analysis of inspection data and documenting the results
  • be familiar with regulatory codes and specifications for eddy current testing and its intent



1. Fundamental Theory

  • Basic fundamentals of electricity
  • Relationship of resistivity to electrical resistance
  • Relationship of material resistivity to material conductivity
  • Electromagnetic induction; self inductance and mutual inductance
  • Inductance of eddy current coils
  • Generation of eddy currents


2. Advanced Theory

  • Fundamental properties of eddy current flow
  • Depth of penetration in finite thickness samples
  • Phase lag in finite thickness samples
  • Simplified impedance diagrams
  • Correlation between coil impedance and sample properties


3. Instrumentation

  • Bridge circuits
  • Typical bridge circuits in eddy current instruments
  • Principle operation of eddy current instruments – general purpose instrument (impedance method) – crack detectors – material sorting and conductivity instruments – send & receive of eddy current systems – multifrequency equipment – pulsed eddy current equipment – recording equipment


4. Testing with Surface Probes

  • Probe types  Probe designs
  • Probe inductance and coil design characteristics
  • Parameters affecting sensitivity to defects  Impedance graph displays
  • Characteristic parameters
  • Definition of “phase” terminology
  • Selection of test frequency for: – inspecting for defects – measuring resistivity & measuring thickness – measuring thickness of a non-conducting layer on a conductor – measuring thickness of a conducting layer on a conductor


5. Surface Probe Signal Analysis

  • Eddy current signal characteristics
  • Defect signal phase
  • Effect of material variations and defects in a finite thickness
  • Coil impedance changes with defects
  • Coil impedance changes with: – ferromagnetic anomalies – electrical resistivity – surface geometry
  • Calibration standards and signals from calibration defects


6. Codes and Specifications

  • Interpretation of codes and specifications commonly used
  • Report writing




Pendaftaran :

Phone : 0254 – 8481815

Email : admin@slv.co.id

Mobile : +62 87771200615 (Bapak Helman)

+62 81210071232 (Admin SLV)


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