Types of Metals Detected by Walk-Through Metal Detectors

Walk-through metal detectors are commonly used in various settings such as airports, schools, and government buildings to enhance Security measures and detect any potential threats. These detectors work by emitting electromagnetic fields that interact with metallic objects, causing them to generate a signal that can be detected by the device. But what exactly do walk-through metal detectors detect?

Walk-through metal detectors are designed to detect a wide range of metals, including ferrous and non-ferrous metals. Ferrous metals, such as Iron and steel, are easily detected by walk-through metal detectors due to their magnetic properties. These metals are commonly used in weapons and other dangerous objects, making them a primary target for detection in Security screenings.

Non-ferrous metals, on the other hand, do not contain Iron and are not magnetic. These metals, such as Aluminum, Copper, and brass, can also be detected by walk-through metal detectors using different detection methods. Walk-through metal detectors are equipped with advanced technology that allows them to differentiate between different types of metals and provide accurate detection results.


In addition to ferrous and non-ferrous metals, walk-through metal detectors can also detect other materials such as ceramics, plastics, and liquids. These detectors are sensitive enough to detect even small amounts of metal, making them an effective tool for detecting concealed weapons and other prohibited items.

Walk-through metal detectors are calibrated to detect a specific range of metals based on their conductivity and magnetic properties. By adjusting the sensitivity Levels of the detector, Security personnel can customize the detection capabilities to suit the specific needs of the Environment in which the detector is being used.

Some walk-through metal detectors are also equipped with additional features such as target identification and alarm settings. Target identification technology allows the detector to pinpoint the location of the metal object on the person passing through the detector, making it easier for Security personnel to locate and remove the object.

Alarm settings on walk-through metal detectors can be adjusted to trigger an alert when a certain threshold of metal detection is reached. This feature helps to reduce false Alarms and improve the overall efficiency of the screening process.

Overall, walk-through metal detectors are highly effective in detecting a wide range of metals and materials, making them an essential tool for enhancing Security in various settings. By understanding the types of metals detected by walk-through metal detectors and how they work, Security personnel can better utilize these devices to ensure the Safety and Security of the people in their care.