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Latest revision as of 22:40, 4 March 2013
Metal Detectors Explained
With the need for increased security around the nation, metal detectors are becoming more and more common in public areas. Metal detectors are used for both a security device, and there are metal detectors that are used for hobbies. Metal detectors can be used in order to detect specific metal types on a person, in luggage and other personal belongings, and even in the ground. Metal detectors are very efficient in discovering traces of metal and other materials that have a metallic base in soil and other materials that are not metallic.
Many people are surprised at the ability that the average metal detector has in being able to detect traces of metal in various things. The process of a metal detector is based on the principle of electromagnetism. There are four main components when it comes to the build of an average metal detector. The first component of a metal detector is a box that is electric in nature. The second component of a metal detector is an antenna for receiving, and the third component of a metal detector is the transmitter. The last main component of a metal detector is the battery case. All of these main components in a metal detector work together in order to fulfill the ability for electromagnetism.
The battery of the metal detector works closely with the transmitter of the device. When these two main components work closely together, it creates a magnetic field. When a person or thing passes through this field, it experiences magnetism. If an item with a hint of a metal trace is detected, the box that is electric in nature receives a signal. Inside of the box that is electric in nature, there is a small but powerful speaker that will emit a beeping sound if any trace of metal is discovered. This is the process by which a metal detector is able to work efficiently.
Many people use a variety of metal detectors for a variety of purposes. There are many people who use metal detectors to search for gold and other metals that may have a monetary value. Metal detectors are often used in schools to ensure that students and staff are not brining any type of weapons into the educational facility. Airports have recently started using metal detectors at a very high level to monitor people entering the airport, boarding flights, as well as any luggage and personal belongings that a person may bring with them while traveling. Metal detectors are often used in areas that need an increase for security, such as courthouses, and other city and county facilities.
Metal detectors are a wonderful tool for many people and businesses. Metal detectors are also very beneficial for educational establishments such as schools, colleges, and other features of these establishments, such as football fields and baseball fields. Metal detectors are among the highest rated security devices in the nations today. This is especially true since the tragic events that occurred on 09/11.
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