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Barracuda 36ES Product Manual, Rev. H
6.4.2
Relative humidity
The values below assume that no condensation on the drive occurs.
a. Operating
5% to 95% non-condensing relative humidity with a maximum gradient of 10% per hour.
b. Non-operating
5% to 95% non-condensing relative humidity.
6.4.3
Effective altitude (sea level)
a. Operating
–1000 to +10,000 feet (–305 to +3,048 meters)
b. Non-operating
–1000 to +40,000 feet (–305 to +12,210 meters)
6.4.4
Shock and vibration
Shock and vibration limits specified in this document are measured directly on the drive chassis. If the drive is
installed in an enclosure to which the stated shock and/or vibration criteria is applied, resonances may occur
internally to the enclosure resulting in drive movement in excess of the stated limits. If this situation is apparent,
it may be necessary to modify the enclosure to minimize drive movement.
The limits of shock and vibration defined within this document are specified with the drive mounted by any of
the four methods shown in Figure 11, and in accordance with the restrictions of Section 8.3. Orientation of the
side nearest the LED may be up or down.
6.4.4.1
Shock
a. Operating—normal
The drive, as installed for normal operation, shall operate error free while subjected to intermittent shock not
exceeding 63 Gs at a maximum duration of 2 msec (half sinewave). Shock may be applied in the X, Y, or Z
axis.
b. Non-operating
The limits of non-operating shock shall apply to all conditions of handling and transportation. This includes
both isolated drives and integrated drives.
The drive subjected to nonrepetitive shock not exceeding 150 Gs at a maximum duration of 1 msec (half
sinewave) shall not exhibit device damage or performance degradation. Shock may be applied in the X, Y,
or Z axis.
The drive subjected to nonrepetitive shock not exceeding 200 Gs at a maximum duration of 2 msec (half
sinewave) does not exhibit device damage or performance degradation. Shock may be applied in the X, Y,
or Z axis.
The drive subjected to a single-event shock not exceeding 350 Gs at a maximum duration of 2 msec (half
sinewave) does not exhibit device damage or performance degradation. Shock may be applied in the X, Y,
or Z axis.
c. Packaged
Disc drives shipped as loose load (not palletized) general freight will be packaged to withstand drops from
heights as defined in the table below. For additional details refer to Seagate specifications 30190-001
(under 100 lbs/45 kg) or 30191-001 (over 100 lbs/45 Kg).
Package size
Packaged/product weight
Drop height
<600 cu in (<9,800 cu cm)
Any
60 in (1524 mm)
600-1800 cu in (9,800-19,700 cu cm)
0-20 lb (0 to 9.1 kg)
48 in (1219 mm)
>1800 cu in (>19,700 cu cm)
0-20 lb (0 to 9.1 kg)
42 in (1067 mm)
>600 cu in (>9,800 cu cm)
20-40 lb (9.1 to 18.1 kg)
36 in (914 mm)
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