Metal detection technology relies on electromagnetic induction, utilizing transmitter coils to generate magnetic fields that induce eddy currents in conductive materials, which are then detected by a receiver coil. Modern devices generally employ either Very Low Frequency (VLF) for discrimination or Pulse Induction (PI) for superior performance in mineralized ground. For a detailed technical guide, explore the principles further at Understanding Metal Detectors Metal Detector - an overview | ScienceDirect Topics
Components of a Metal Detector
Factors Affecting Detection
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