Working Principle of Walk Through Metal Detectors

Posted by Mujib Khan on December 21st, 2021

Metal detectors that walk through a room fall into one of two sorts. Single zone detection is provided by the first type of walk through metal detector. The second method detects many zones. Basic multi zone detectors, such as the Garrett MT 5500, will detect if the target is on the left or right side of the detector. I\'ll give you an example to help you grasp the difference. Assume a person walks through the metal detector\'s aperture with a hidden weapon strapped to their ankles. The target will be found by both the single zone and multi zone detectors. The difference between the two is that the multi zone detector will be able to pinpoint the target\'s location on the individual\'s left or right side. Advanced multi-zone detectors, such as the Garrett PD 6500, can determine the exact spot from head to toe and on either the left or right side.

 

It\'s critical to pinpoint the target\'s position promptly so that your security officers can respond quickly. Larger crowds necessitate higher throughput. A multi zone metal detector will allow you to screen more people faster if you are scanning a large number of people.

Single Zone Walk Through Metal Detector:

  • Garrett Magnascanner CS 5000
  • MS 3500 Garrett Magnascanner

Multi-Zone Walk-Through Metal Detector

  • Garrett Magnascanner MT 5500
  • Garrett PD6500i
  • Fisher M-Scope Portable Walk-Through Security Metal Detector

What are some of the most common locations and applications for a walk-through metal detector?

Metal detectors for security were once only seen in airports and correctional facilities. Walk-through detectors can now be found in a variety of places, including police stations, nightclubs, schools, public and private buildings, and corporate workplace security. They\'re also employed in manufacturing plants, loss-prevention warehouses, nuclear power plants, transit terminals, courthouses, historical landmarks, athletic events, arenas, and concerts. A roller skating rink was one of the first sites to get a walk through detector from us approximately 25 years ago.

Choosing the most appropriate setup

Will your detector be put up in one spot or will it be moved from one location to another? You\'ll want a light weight portable walk through metal detector or one that can be moved easily if you\'ll be moving the detector frequently.

Configuration and use:

Modern security walkthrough detectors are simple to install and use. A complete handbook and instructional setup video will be included with each item. A touch pad and LCD display make it simple to alter digital equipment. Factory preset routines are included with the walk-through metal detectors. The detectors can be adjusted for your individual area or the type of object you\'re looking for. The detector may be tuned to locate various targets depending on the amount of sensitivity you select.

When putting up your metal detector, it\'s crucial to keep the flow of traffic under control. You\'ll want to make sure that everyone who enters or exits the building passes through the detector. It\'s a good idea to set up a basket or tray near the metal detector for people to put their metal objects in. Before stepping past the detector, it is critical to remove all watches, money, keys, belts, and other big metal objects. Your throughput will be better if you are more structured.

Do you need a metal detector wand for security?

The walk through detector can be thought of as a broad screening device. Once you\'ve determined that someone has a hidden object, you\'ll need to pinpoint it accurately. A metal detector wand will help you rapidly locate the target. With an audible tone, a target identification light, vibration, or a combination of the three, security wands will alert you to the target. For usage with the walk-through gate, a wand metal detector is required.

Security Wands with Metal Detectors and Audio and Vibration Alerts:

  • Superscanner by Garrett
  • Superwand by Garrett
  • Hand-Held Security (Fisher CW-20) Wand with Metal Detector
  • Hand-Held Security Fisher CW-10 Wand with Metal Detector

Metal Detector Security Wands with Vibration Only Alerts

  • Garrett THD

Putting your security plan into action:

While the expense of purchasing your walk through metal detectors is important, do not get too caught up in it. The annual cost of security staff to run the equipment will be your highest expense. While you may already have employees on hand, you may find that you need to set aside funds to hire more. You are now prepared to select the best security metal detectors after gaining a thorough understanding of your organization and the many types of security metal detectors accessible. We\'re here to assist you in putting the puzzle together. Please do not hesitate to contact one of our Security Product Specialists to discuss your specific requirements.

What is the operation of a walk-through metal detector?

In the nineteenth century, Scottish physicist James Clerk Maxwell established the intimate relationship between magnetism and electricity. Simple things like copper coils wrapped around metal nails were employed in his earliest attempts. He soon discovered that the metal nail becomes magnetic when an electric current is supplied to the coil. This is how metal detectors work on a fundamental level.

The functioning principle of a walk-through metal detector is as follows:

Pulse induction technology is used in modern walk-through metal detectors. Brief and intense bursts of current are sent via a coil of wire in PI systems, and each pulse generates a short magnetic field. A reflecting magnetic field is formed when a metallic object penetrates the magnetic field, which is picked up by the receiver coil.

The majority of PI systems send roughly 100 pulses per second, but certain versions may send up to 1,000, making the detector more precise. Multiple coils are used in multi-zone walk-through metal detectors to establish discrete detection zones. Multiple things can be detected by these systems, which then indicate the places where they can be found.

What triggers off airport metal detectors?

Metal detectors in airport walk-throughs are sensitive to any metal, including orthopedic implants and metal plates used to treat bone fractures. Metal detectors in airports will detect hip and knee replacements, as well as jewelry, keys, belt buckles, and other items.

Like it? Share it!


Mujib Khan

About the Author

Mujib Khan
Joined: April 17th, 2021
Articles Posted: 3

More by this author