Why Do We Need a Walk Through Metal Detector?

Walk through metal detectors are commonly used metal detectors. One can easily find them in public places like shopping malls, educational institutes, banks, airports, train or bus stations etc. These metal detectors are divided in two basic categories that are; single zone and multiple zone metal detectors. A single zone detector helps in spotting if a person walking through the gate is carrying any weapon or anything like that. Whereas a multi zone metal detector can help in identifying the hidden weapon or any such objects. It helps in locating if the weapon or prohibited object is on the left side or the right one. Therefore, it becomes easier for the security person to search the person.

For larger crowd a multi zone walk through metal detector is ideally the right option. Since, it is very time taking for a security officer to physical pat down each and every person. They can use handheld detectors for ease. Single zone detectors are good for areas where security is under control because of the limited access to people from outside.

Earlier, metal detectors were only found at airports. However, over the years these metal detectors have become a necessity and they are found at malls, corporate buildings, factories, schools and many more. The decision of what kind of system you need to buy depends on the location where it is going to be placed.

The next point to consider; when thinking on buying a walk through metal detector is to check how often you are going to move the metal detector. Will it be fixed at one place or moved often according to the need? In case you will need to change the location quite often, it is best to buy a light weight metal detector. This way you can shift it from one place to another easily.

Next thing to consider is the frequency level that the system will need. If you need a high frequency metal detector or a low frequency one will do the job for you? It is good to place a basket for people to place their wallets, cell phones or coins etc. in the basket before walking through the metal detector.

A walk through magnetometer creates a magnetic field inside the rectangular doorway of the metal detector. If a person carrying a metal based weapon or a knife or a gun hidden inside his clothes, the alarm sets beeps to alert the security personnel that this person is hiding something dangerous under the cover. With the advancement in technology, multi zone magnetometers are used that are able to locate exactly where the weapon or any dangerous object is placed. Therefore, by alarming the beep sound they even tell the security personnel about the exact location of a weapon or harmful metal object.

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