... control circuit Hard Disk & Floppy Disk DemagnetizerGeneral Description 1, PCX-220HD (magnetic storage media) floppy disk and hard disk demagnetizer is a ... device which can quickly destroy information stored in hard disk, floppy disk, magnetic tape and magnetic card completely. 2, The ... magnetic medias, such as hard disk Remark: medias except for the hard disk are reusable after demagnetization We ...