Metal Detector GPS,  Detect Metal using GPS

GPS Metal Detectors

GPS Metal Detector is an electronic device used to detect buried metallic materials in the ground assisted or used with the benefits of GPS (Global Positioning System) tracking. With a GPS featured metal detector one can systematically zero in and track one's positions in your search for: coins, gold, landmines, cables, pipes, underground storage tanks and piping.

A GPS Metal Detector consists of an oscillator producing an alternating current that passes through a coil producing an alternating magnetic field. In addition to the above features, GPS Metal Detectors use electromagnetic induction to detect metal.

According to the classification of the magnetic field generated by the transmit coil, there are two major types of GPS Metal Detectors.

1. Continuous Waves Detectors (CWD): It generates a transmitter coil current. This coil current alternates at a fixed amplitude and frequency. The presence of metal targets is revealed by small changes in the phase and amplitude of the receiver voltage.

2. Pulse Induction Detectors (PID): It generates a transmitter current which turned on a time, and suddenly turned off. In the target, the collapsing field generates pulsed eddy current.

Metal Detectors have developed a long way, from the simple Metal Detector to sophisticated electronic metal detectors using GPS tracking.

In the future, we hope to see more modern computerized technology incorporated into Metal Detectors offering greater sensitivity and detection depth to track metallic objects.

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