Walk through metal detectors typically use pulse induction (PI) technology. The PI systems send powerful, short pulses of current through the coil of wire. Each pulse generates a short magnetic field. When a piece of metal passes through the magnetic field, a reflected magnetic field is created.

Walk through Metal Detector with high quality which is used in airports and hotels for security check and metal detecting,use walk through metal detector to get security metal detector

The walk through metal detectors create large magnetic fields that cover all of the space inside the rectangular arch of the metal detector. If a person walks through the metal detector and sets off the alarm, airport security is informed that this person could potentially be hiding a dangerous, metal-based weapon, such as a knife or a gun, and further research is conducted.

Walk Through Metal Detectors are normally associated with the security searches we encounter at airports. They will detect metallic objects on people passing through the detector, such as knives, weapons etc. Their level of detection sensitivity can be adjusted to meet varying threats.

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