Walk through metal detector typically use pulse induction technology. Sending a burst of current through a wire coil, creating a magnetic field. When a metal object passes through the magnetic field, a reflected magnetic field is created, triggering a reaction with the receiver coil. This activates the alarm systems.
Typically, a pulse indication walk through metal detector emits 100 pulses per second. However, depending on the make and model, this can range from 25pps to over 1000pps.
Walk through metal detector a large magnetic field that covers the space inside the frame. If a person walks through with metal, the alarm will be set off, informing security personnel that the person is carrying a potentially dangerous metal object.
Walk through metal detector with multiple zones can tell security personnel exactly where on the person metal is located. The more zones a walk through metal detector has, the more accurate it is.
Multi zones walk through metal detectorcontain multiple coils which create separate detection zones. Able to detect multiple objects and display all areas where metal can be found. The alarm lights on the legs of the unit highlight to security where metal is on a person.
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