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topic 3912

Eddy Current thickness measurement for Copper Black Oxide?


Can I use an eddy current thickness instrument for black oxide on copper?

Jeff Eckland
- Manteca, California


The lowest standard I have for my PosiTector 2000 is one mil, which is >>much thicker than an oxide coating, so I would say no.

tom pullizzi monitor
Tom Pullizzi
Falls Township,


What is the reason for trying to measure the thickness of a copper oxide on copper. This can be done by surface measurements vs. residual after an acid strip of the tube.

Phillip A. Gregg
- Shawnee, Oklahoma

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