EDDY CURRENT Level 1

 This Course provides a basic knowledge of Eddy Current Testing fundamentals and enables the technician to perform eddy current testing to established procedures - under the supervision of a Level II or III person/technician.

$699usd

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Course Features

This course includes the following concepts: 

1) FUNDAMENTAL THEORY

a. Basic Fundamentals of Electricity

b. Relationship of resistivity to electrical resistance

c. Relationship of material resistivity to material conductivity

d. Electromagnetic induction; self inductance and mutual inductance

e. Inductance of eddy current coils

f. Generation of eddy currents

g. Properties of eddy current flow

h. Sensing disturbance of eddy current flow through change in coil impedance

i. Basic equipment

j. Introduction to impedance plane diagrams

k. Skin effect, standard depth of penetration, standard phase lag

l. Instrumentation

m. Fundamental operation of: impedance bridge instruments; crack detectors; conductivity meters; recording instruments; strip chart records and FM tape recorders

2) TESTING WITH SURFACE PROBES

a. Probe Types

b. Directional properties of eddy current flow for each probe type

c. Calibration

d. Measuring thickness of a non-conducting layer on a conductor

f. Inspecting for defects

g. Parameters affecting sensitivity to defects

3) TESTING OF TUBES AND CYLINDRICAL COMPONENTS

a. Probe types

b. Comparing differential and absolute probes

c. Directional properties of eddy current flow for each probe type

d. Calibration

e. Inspecting for defects

f. Parameters affecting sensitivity to defects