Abstract: There is provided a modular scanner and probe holding apparatus for inspection, which consists of an assembly of a plurality of connective links rigidly connected. The connective links are added or removed from the assembly to size the assembly so the assembly extends more than half way around a circumference of a tubular body to be inspected. At least one tail link is connected to an end of the assembly. The tail link is biased by a spring to apply a force against the tubular body to hold the assembly in place. A probe holder link is provided that connects to the connective links and has a probe holder for holding a probe.

Abstract: A method & apparatus for conveying an ultrasonic sensor about an outer peripheral surface of a tube to perform a non-destructive evaluation thereof is disclosed. The ultrasonic sensor is mounted on a flexible tension link and the method involves extending the flexible tension link while urging an extended portion of the flexible tension link towards the outer peripheral surface of the tube at a plurality of locations along it's length, thereby causing the ultrasonic sensor to move through an arc in a direction circumferentially around the tube while maintaining ultrasonic coupling between the ultrasonic sensor and the tube.

Abstract: There is provided a modular scanner and probe holding apparatus for inspection, which consists of an assembly of a plurality of connective links rigidly connected. The connective links are added or removed from the assembly to size the assembly so the assembly extends more than half way around a circumference of a tubular body to be inspected. At least one tail link is connected to an end of the assembly. The tail link is biased by a spring to apply a force against the tubular body to hold the assembly in place. A probe holder link is provided that connects to the connective links and has a probe holder for holding a probe.