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2.9 Environmental specifications
This section provides the temperature, humidity, shock, and vibration specifications for Archive HDD. Ambient
temperature is defined as the temperature of the environment immediately surrounding the drive. Above 1000ft.
(305 meters), the maximum temperature is derated linearly by 1°C every 1000 ft. Refer to
for base plate measurement location.
mounting
2.9.1 Ambient Temperature
Operating
0° to 60°C (37.4° to 140°F)
Non-operating
-40° to 70°C (-40° to 158°F)
2.9.2 Temperature gradient
Operating
20°C per hour (68°F per hour max), without condensation
Non-operating
30°C per hour (86°F per hour max)
2.9.3 Humidity
2.9.3.1
Relative humidity
Operating
5% to 90% non-condensing (30% per hour max)
Nonoperating
5% to 95% non-condensing (30% per hour max)
2.9.3.2
Wet bulb temperature
Operating
30°C (86°F max)
Non-operating
37.7°C (99.86°F max)
2.9.4 Altitude
Operating
-304.8m to 3048m (-1000 ft. to 10,000 ft.)
Non-operating
-304.8m to 12,192m (-1000 ft. to 40,000+ ft.)
2.9.5 Shock
All shock specifications assume that the drive is mounted securely with the input shock applied at the drive
mounting screws. Shock may be applied in the X, Y or Z axis.
2.9.5.1
Operating shock
These drives comply with the performance levels specified in this document when subjected to a maximum
operating shock of 70 read / 40 write Gs based on half-sine shock pulses of 2ms during read operations. Shocks
should not be repeated more than two times per second.
2.9.5.2
Non-operating shock
The non-operating shock level that the drive can experience without incurring physical damage or degradation in
performance when subsequently put into operation is 250 Gs based on a non-repetitive half-sine shock pulse of
2ms duration.
Seagate Archive HDD Product Manual, Rev. B
Drive Specifications
Section 3.4 Drive
16
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