Welcome to our Learning Zone. In this area, we hope to provide some useful and educational material that covers the topics of NDT as well as Eddy Currents and Eddy Current NDT.

The Learning Zone also houses some useful links for further education, training and useful resources for further reading.

If you have any questions or application issues that you think the ETher team could help you with, please do not hesitate to contact us. Please click here to ask ETher NDE how EDDY current NDT can be used to help your business


Here we offer some insight into the world of eddy current NDT.

First to understand where eddy current NDT fits into the world of NDT there is Getting to grips with NDT a very basic guide.

Then there is A quick guide to Eddy Current NDT for a very basic guide to the range of applications Eddy Current NDT can cover.

NEW! We now offer an Introduction to Conductivity page on the website.


By popular demand, for a more comprehensive understanding of Eddy Current NDT we are pleased to include here the 4 part series on Back to Basics Eddy Current. Published in the BINDT Journal Insight in 2004 and compiled by John Hansen whilst working for Hocking NDT this series offers a indepth insight into Eddy Currents. Please see list acknowledgements at the end of part 4 for details of other contributors.

Please email john@ethernde.com with the titles below to request a copy of the series.

Part 1. History and Electrical Theory

Part 2. The Impedance Plane and Probes

Part 3. Instrumentation and Applications

Part 4. Applications, Practical Testing and Advanced Concepts

To request a printed copy by post please send us an email including your postal address. By kind permission of the British Institute of Non-Destructive Testing.


Below is a collection of papers on Eddy Current NDT that we recommend and we believe maybe of interest to you.


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Training Schools

We are pleased to recommend the following links as useful starting points when trying to select the best NDT Training School for you...

BINDT List of Accredited Training Schools.

ASNT Directory of NDT Training Institutes.

ICNDT Guide to Certification of NDT Personnel.