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Tube Inspection


The near field testing (NFT) technology is a rapid and inexpensive solution intended specifically for fin-fan carbonsteel tubing inspection. NFT is specifically suited for the detection of internal corrosion, erosion, or pitting on the inside of carbon steel tubing.

The NFT probes measure lift-off or “fill factor” and convert it to amplitude-based signals (no phase analysis). Because the eddy current penetration is limited to the inner surface of the tube.

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