In an increasingly security-conscious world, the ability to quickly and accurately detect concealed weapons is more important than ever. Traditional metal detectors have long been a staple in security checks, but they may not always offer the precision needed to identify specific types of threats, particularly when it comes to weapons made from ferromagnetic materials. Enter Ferromagnetic Detection (FMD)—a cutting-edge technology designed to enhance security by identifying firearms, knives, and other weapons crafted from ferrous metals like steel, iron, and nickel.

FMD systems take advantage of the unique magnetic properties of ferromagnetic materials, allowing them to detect even hidden or carefully concealed weapons that might otherwise evade traditional screening methods. Whether at airports, public events, military checkpoints, or correctional facilities, FMD is revolutionizing the way we approach security and safety.

Ferromagnetic Detection (FMD) – How It Works

These systems are passive which means they do not emit or transmit any form of electrical, magnetic or X-ray radiation

Sensors of these devices monitor the Earth’s magnetic field, and when a ferrous metal (iron, cobalt, or nickel) moves, they create a wake or ripple similar to a boat moving across the surface of a lake

As a magnetic material approaches an FMD, the system senses this disturbance or ripple and an alert is generated

With no MOVING magnetic materials present, no disturbance in the local magnetic area exists. Stationary objects (steel walls, rebar, wheelchairs, etc.) in the detection area do not affect the sensors in any way

Non-magnetic materials such as aluminum, gold, platinum, etc. do not create a disturbance in the Earth’s magnetic field and will therefore not be detected

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