Erase Hard Disk Data Completely Using a Degausser If you are like most people, you probably have no idea what degaussing is. Basically, degaussing refers to the complete erasing of data from storage devices such as hard drives, memory drives and others. Majority of hard disks have a magnetic strip where data is stored. A degausser has a strong magnetic field. When a hard disk is brought close to the magnetic field of the degausser, data in the hard disk is erased. Erasing data on a hard disk with your PC does not completely erase it. 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. For this reason, you will find the method used by many companies and government institutions. How a Degausser Erases Data If you want to know how degaussing works, you should understand the way data is 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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The magnetic strip of a hard disk is destroyed when the storage device is introduced into the magnetic field of the degausser. The data becomes randomized as the magnetic field destroys the magnetic strip. When the magnetic strip has been destroyed, no data can be recovered from the hard disk.
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Buying a Degausser There are various types of degaussers in the market. Before choosing one to buy, you should research well. Carrying out research is important since not all degaussers work in the same manner. Electronicmagnetic degaussers are among the most common in the market. To produce a magnetic field, the degaussers charge a degaussing coil. The other type of degaussers you can purchase are the permanent magnet ones. These degaussers have one or more rare earth magnets and can be operated without electricity. There are also degaussers specially made for specific uses. 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. Generally, the performance of a degausser is mainly determined by its maximum magnetic field strength. If a degausser has a stronger magnetic field, it’s performance is also bound to be higher. The above is an overview of how degaussers work and what you should consider when looking to buy one.