V94
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V94 Midigausser Degausser
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V94 Midigausser Degausser.
V94 Midigausser Degausser
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V94 Midigausser Degausser
Designed to provide a cost-effective facility to erase a variety of common and data magnetic media formats, the V94 will appeal to anyone in the industry who requires a low cost, compact eraser to handle small to quantities of cassettes, cartridges or tapes.
Operation is simple and safe and is achieved by sliding cassettes, using the guide bar, or rotating tape reels over the Degausser device's surface. This provides effective erasure of any previously recorded tracks. The V94 has an automatic thermally controlled cooling fan, allowing the machine to be used to erase batches of media. A mains fuse provides an additional electrical safety.
The V94 will be of interest to operators in the duplicating, production voice logging and instrumentation industries who will benefit from the increase in quality and efficiency that the V94 Midigausser will bring.
Will not erase hard drive
Degausser Features:
Specifications:
Erasure Depth |
75 dB on media |
Media |
Cassettes: VHS, S-VHS, Beta, U-Matic Cartridges: Data DC 300,600,2000,3480/3490,TK50/TK70, 4 & 8mm & DAT Floppy Disks |
Throughput |
180 per hour |
Duty Cycle |
Initial run 12 min. with 40% duty cycle first hour dependent on ambient temp. |
Operational Voltages |
220/240v 50Hz or 115v 60Hz |
Dimensions |
Height: 4.5 (114m), Width: 13.9 (353mm), Depth: 14.5 (363) |
Weight |
23 lbs (10.5Kg) |
Current Rating |
1.8 amps typ (50Hz) |
ATTENTION WHEN DEGAUSSING:
Please note the following suggestions when using a Degausser:
Watches:
Remove your wristwatch when using the Degausser. Direct exposure to the magnetic field may damage some watches.
Magnetic Strip Cards:
Do not place your wallet or purse containing credit or phone cards directly on or above the conveyor belt. Magnetic strip cards are very easy to erase. However, having a wallet in your back pants pocket while using the Degausser will not erase the cards.
Tape storage:
Store videotapes you do not intend to erase approximately four feet from the Degausser. This will eliminate the opportunity for the operator to accidentally run “good” tapes through the Degausser.
Placement of Tapes:
When erasing tapes, place them on the left edge of the belt (as you face the machine). In order they may travel the full length of the conveyor belt for quality erasure.
Pacemakers:
Do not operate the Degausser if you have a pacemaker.
ABOUT DEGAUSSING MAGNETIC MEDIA
An alternating current (AC) bulk eraser (Degausser) is used for complete erasure of data and other signals on magnetic media. Degaussing is a process where magnetic media is exposed to a powerful, alternating magnetic field. Degaussing removes any previously written data, leaving the media in a magnetically randomized (blank) state.
The Degausser must subject the media to an alternating magnetic field of sufficient intensity to saturate the media. Then the Degausser by slowly withdrawing or reducing the field leaves the magnetic media in a magnetically neutral state.
To erase recorded data, it is necessary for the strength of the degaussing field to be greater in value than the coercivity of the magnetic media. Simply stated, coercivity is the magnetic field strength, rated in oersteds (Oe), required to change the magnetic orientation of the magnetic material. Check with knowledgeable dealers or Degausser manufacturers to identify Degausser models that meet your requirements. Examples of typical coercivities for computer magnetic tapes and disks are shown in table I.
Data is typically not lost until its level has been decreased 65% to 75% (or more) below its original saturation recording signal level, dependent upon the drive system.
A complete erasure level, for most users, is considered to be 60 dB below the original signal level – this of course depends on user requirements. A 60 dB signal decrease equates to reducing the signal to one tenth of one percent of its original value.
Magnetic media products that have factory pre-recorded magnetic servo patterns should not be degaussed. Degaussing would erase the factory written magnetic servo signals and leave the media unusable. For all other magnetic media (without magnetic servo signals), after proper degaussing, the quality of subsequent data recording should be unchanged or even improved.
It is very important to understand and follow the Degaussers operating instructions. This is especially important for manual units where the operator controls the media’s movement through the degaussing field. For higher coercivity media, four passes are often recommended – two passes, with a 90 degree rotation for the second pass, and then repeat the process with the media turned upside-down. Of course, these and other important operating considerations will vary with the type, power and construction of the individual Degausser models.
DEGAUSS STRENGTH REQUIRED
MAGNETIC TAPE PRODUCTS |
TYPICAL COERCIVITY |
COMMENTS |
9-Track Reel-To-Reel Computer Tape |
300 Oe |
|
TK50, TK70 |
350 Oe |
|
3480, 3490 OE |
520 Oe |
|
SLR1, SLR2, TR-1, DC2120, DC6150 |
550 Oe |
|
SLR3, SLR4, SLR5, TR-3, DC9100 |
900 Oe |
|
SLR24, SLR32, TR-4, ADR30, ADR50 |
900 Oe |
Do Not Degauss, |
TR-5, SLR40, SLR50, SLR60, SLR100 |
1650 Oe |
Do Not Degauss, |
DLT tape III, DLT tape IIIXT |
1540 Oe |
|
DLT tape IV |
1850 Oe |
|
SuperDLTtape1 |
1900 Oe |
|
D8: 8mm 112m, 8mm 160m |
1600 Oe |
|
DDS1: 4mm 60m, 4mm 90m |
1590 Oe |
|
DDS2 4mm 120m |
1750 Oe |
|
DDS3 4mm 125m |
2250 Oe |
|
DDS4 4mm 150m |
2350 Oe |
|
DD-2 19mm |
1550 Oe |
|
DD-2QD (Quad Density) 19mm |
1850 Oe |
|
DTF-1 |
1579 Oe |
|
DTF-2 |
2300 Oe |
|
Redwood SD-3 |
1515 Oe |
|
Magstar MP: 3570-B, 3570-C, 3570-C/XL |
1625 Oe |
Do Not Degauss, |
Magstar: 3590, 3590-E |
1600 Oe |
Do Not Degauss, |
STK-9840, STK-T9940 |
1625 Oe |
Do Not Degauss, |
LTO-Ultrium1 |
1850 Oe |
Do Not Degauss, |
Mammoth 8mm, AIT-1 8mm, VXA-1 8mm |
1320 Oe |
|
AIT-2 8mm |
1380 Oe |
|
M2 Mammoth2 8mm |
1350 Oe |