... security data bulk deletion and demagnetization Safety,stability Hard Disk Demagnetizer (disk eraser)General Introduction 1. This table top ... or data stored on HD, floppy disk, PC disk, magnetic tape, magnetic card, CD, cassette etc. 2. The ... Parameters:Applicable mediumHD(=400GB), Magnetic tape, floppy disk, magnetic card, CD, cassette etc.Demagnetizing time30s~50sEnvironmental humidity10%~ ...