The CHAIN™ scanner is the optimum, manual pipe-inspection solution for a pipe range with outside diameter of 45 mm to 965 mm (1.75 in. to 38 in.) and the possibility of two encoded axes. The scanner, which is held by chain links instead of magnetic wheels, is able to inspect ferromagnetic or non-ferromagnetic surfaces. The chain links also help ensure a straight displacement of the scanner as it eliminates steering problems. Finally, it is useful when the area around the pipe is not entirely accessible as the scanner can be rotated around the pipe using the chain links.

Main applications are:

• Circumferential-pipe weld inspections with phased array, TOFD, or conventional UT

• Corrosion mapping of small areas with phased array or conventional UT (using XY; 2 encoder models)

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