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Overview of How Degaussers Work If you ask most people what degaussing is, chances are that they would not know. Generally, erasing of data from a data storage device such as a hard disk is what is referred to as degaussing. Majority of hard disks have a magnetic strip where data is stored. A degausser has a strong magnetic field. When a data storage device such as a hard disk is put in the magnetic field of a degausser, the data stored will be erased/ When you erase the data on a hard disk using the PC, the data is not completely wiped off. The data that is deleted is usually stored on a compartment of the hard disk that can be accessed through different recovery processes. If you want to be sure of completely wiping off the data on your hard drive, you should degausse it. This explains why government institutions and corporations usually use degaussing to erase date on their drives. Overview of How Degaussing Works The easiest way to understand how a Degausser works is to start at looking at how data is usually stored on a hard drive. Hard drives have a magnetic tape inside where the data is recorded. When you turn on your PC, the data on the magnetic strip in the hard drive is read and converted to digital format. The data that has been converted to digital format can then be accessed on the PC in form of files.
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A Degausser specifically works by destroying the magnetism on the magnetic strip. When a hard disk is brought into the magnetic field of a Degausser, its magnetism will be destroyed and the data randomized. When the magnetic strip has been destroyed, no data can be recovered from the hard disk.
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Types of Degaussers You can choose different types of degaussers in the market to purchase. You should research well before choosing a degausser. Since not all degaussers work in the same way, it is only logical to research before buying. The most common degaussers are the electromagnetic type. To produce a magnetic field, the degaussers charge a degaussing coil. You can also go for permanent magnetic degaussers. These degaussers have one or more rare earth magnets and can be operated without electricity. There are also specific uses that a degausser may be made for. For example, some degaussers are made for mobile operations and others for high volume work. One of the most important things to consider when choosing a degaussers is its ability to erase data. The performance of degaussers is determined by their maximum magnetic field strength. Degaussers that have stronger magnetic fields can erase more data. The above information is a summary of how degaussers work and how you can determine the right one to buy.