If you are in charge of security at a shopping mall, or a private compound, then one of the most important tools that you have to use will be a security metal detector. This type of device is very useful in detecting metallic objects in environment where there are many people present and moving about. This way you can make sure that you stop potential threats or people with arms from entering your building. Of course, this is a very critical process which will be determined by the quality of the device as well as the competency of the person using it.
Hence, there may be many metal detectors for sale but still you will need to understand that it is not just the price tag that determines the quality of the result. Sometimes, many situations may arise where you may not be able to use the device effectively or in some cases you may use the device too sensitively which may also cause a problem as then the device would interact with all possible objects which would cause it to generate many signals and warnings, This would be counterproductive as there can be a huge line forming in front of the entry and this can even make the situation even more difficult to handle.
You should take a look at the various security metal detector brands on the market. The type of the device as well as its sensitivity would depend on your security scenario. If you are faced with only a very low security threat, then you can work with a device that only generates lesser pulses per minute. These devices will be cheaper, but usually they are more then sufficient to match the needs of low security threat situations. Or as an alternative you can also buy a very sensitive hand held metal detector which can help you to screen people one by one. This is usually seen to be very slow method, although it is found to be more effective as compared to a full body scanner. Hence, you will see in many airports that a full body scanner will also be followed up by a hand held scanner for more security. This way the security can be absolute and you can thus have the peace of mind that you deserve.