| Verity Degaussers | |
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V91HD/DLT Hard Disk Drive & DLT Tape Eraser - $3,145 The V91HD/DLT is a special unit for erasing both hard drives & DLT tapes but also suitable for Audio, DAT, VHS and S-VHS, VHS Digital, 4&8mm, Beta SP/digital, video cassettes, floppy disks. Computer cartridges: DC, TK 50/70/85, DLT 3489/3490/3590, 4 & 8mm. Read More.. |
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V660 HDD EVO Degausser - $4,995 High energy, concentrated degausser suitable for the complete erasure of PC hard disk drives. Read More.. |
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V6000 HDD MAX-14DD Degausser - $11,950 The vulnerability of information stored on a PC hard drive is a recognized security risk. Unlike other PC data storage media the hard drive always stays with the PC. Every time a PC leaves a company's control all the data and company information will go with it. Even if the hard drive breaks down, the storage platters will still contain information which could be read once repaired. The V6000HDD MAX meets the latest magnetic exposure guidelines. Read More.. |
Degaussing magnetic data storage media..
Data is stored in magnetic media, such as hard drives, floppy disks and magnetic tape, by making very small areas called magnetic domains change their magnetic alignment to be in the direction of an applied magnetic field. This phenomenon occurs in much the same way a compass needle points in the direction of the earth's magnetic field. Degaussing, commonly called erasure, leaves the domains in random patterns with no preference to orientation, thereby rendering previous data unrecoverable. There are some domains whose magnetic alignment is not randomized after degaussing. The information these domains represent is commonly called magnetic remanence since it is due to remanent magnetization. Proper degaussing will ensure there is permanent insufficient magnetic remanence to reconstruct the data.
Erasure via degaussing may be accomplished in two ways: in AC erasure, the media is degaussed by applying an alternating field that is reduced in amplitude over time from an initial high value (i.e., AC powered); in DC erasure, the media is saturated by applying a unidirectional field (i.e., DC powered or by employing a permanent magnet). A degausser is a device that can generate a magnetic field for degaussing magnetic storage media.
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