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What You Should Know About Hard Drive Degaussers Many people do not what degaussing is. Generally, erasing of data from a data storage device such as a hard disk is what is referred to as degaussing. Most hard disks usually store the data transferred on a magnetic strip. Degaussers work by producing 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/ Erasing data on a hard disk with your PC does not completely erase it. The data deleted on a hard disk using the PC is usually moved to a different compartment that can be accessed using a number of data recovery applications. Degaussing is the only sure way of completely erasing the data on a hard disk. In fact, most companies and business institutions use degaussing to erase data on their hard 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. Generally, hard drives have a magnetic strip where data is stored on. When you plug the hard drive on your laptop, the magnetic strip data is read and converted to digital format. The digital format is what the end users see in form of text, video or audio from the hard disk.
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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. When the magnetic strip is destroyed, the data stored on it is randomized. Thus, no data can be recovered from the hard disk after the strip has been destroyed.
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Buying a Degausser You can purchase different types of degaussers in the market. Before choosing one to buy, you should research well. 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. These degaussers produce a magnetic field through charging a degaussing coil. The other type of degaussers you can purchase are the permanent magnet ones. You can operate these degaussers without electricity since they usually have a rare earth magnetic. There are also degaussers specially made for specific uses. For example, some are built for high volume while others are meant for mobile operations. 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. The higher the magnetic field strength, the higher the performance you can expect from a degausser. Follow the guide above when looking to buy a degausser.