Non Destructive Testing
Impedance Matching
Eddy current testing requires us to determine the components of the impedance of the detecting coil or the…
August 2, 2021 · JacobAuthor: Jacob
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Non Destructive Testing
Coil (Probe) Design
The most important feature in eddy current testing is the way in which the eddy currents are induced…
August 2, 2021 · JacobNon Destructive Testing
Probes – Shielding & Loading
One of the challenges of performing an eddy current inspection is getting sufficient eddy current field strength in…
August 2, 2021 · JacobNon Destructive Testing
Probes – Configurations
Eddy current probes are classified by the configuration and mode of operation of the test coils. The configuration…
August 2, 2021 · JacobNon Destructive Testing
Absolute Probes
Absolute probes generally have a single test coil that is used to generate the eddy currents and sense…
August 2, 2021 · JacobUncategorized
Display – Analog Meter
Analog instruments are the simplest of the instruments available for eddy current inspections. They are used for crack…
August 2, 2021 · JacobNon Destructive Testing
Display – Complex Impedance Plane
Electrical Impedance (Z), is the total opposition that a circuit presents to an alternating current. Impedance, measured in ohms, may…
August 2, 2021 · JacobNon Destructive Testing
Bridges
The bridge circuit shown above is known as the Maxwell-Wien bridge (often called the Maxwell bridge), and is…
August 2, 2021 · JacobNon Destructive Testing
Resonant Circuits
Eddy current probes typically have a frequency or a range of frequencies that they are designed to operated. When…
August 2, 2021 · JacobNon Destructive Testing
Eddy Current Instruments
Eddy current instruments can be purchased in a large variety of configurations. Both analog and digital instruments are available. Instruments…
August 2, 2021 · Jacob