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Lecture notes for Imperial College ACT Course:

NDT -- "Electronic Covermeters"

Contents

1. Requirements to be met
2. Accuracy
3. Magnetic Reluctance technique
4. Electrical Conductivity technique
5. Bar location practice
   1. Single bars
   2. Multiple (crossing) bars
6. Measurement of cover
   1. Adjacent parallel bars
   2. Neighbouring transverse bars
7. Welded mesh
8. Unknown bar size
9. Lapped bars
10. Various head designs
11. Various instrument styles
12. Non-ferrous metals
13. State of corrosion
14. Commercially-available models

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