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Cables are the conduit between the Ultrasonic instrument and ultrasonic probe carrying the electrical signal.
Calibration blocks are used to set up the ultrasonic instrument to the probe to ensure accuracy is maintained. In ultrasonics inspectors go from the known (calibrated probes) to the unknown (inspecting the component). Calibration blocks are as varied as ultrasonic probes. They can be used to set up for thickness measurements (step wedge) or confirm probe angles (IIW/IOW blocks). Calibration on the same material as the test component is important hence blocks are available is in carbon steel, stainless steel and aluminium.
