ACFM SYSTEM

When an alternating magnetic field is used to induce electric current in the surface of a material, and a sensor array is then positioned to monitor this current, the resultant high speed waveforms can be computer processed to determine properties of the material and detect the presence and size of defects. LIZARD®’s unique patented Field Gradient sensors offer the ability to electronically scan and synthesise multi-dimensional array element response from a planar array.

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