Dual matrix array probes are used for inspecting the thickness and integrity of materials. Unlike traditional single-element probes, a dual matrix array probe has multiple transducer elements arranged in a matrix pattern. This allows for the simultaneous inspection of multiple points on the material surface and for the creation of a 2D image of the internal structure of the material. Industries such as aerospace, power generation, and oil and gas often employ dual matrix array probes to check the integrity of various materials, including metals, composites, and ceramics.