Hitachi HDS725050KLA360 - Environment; Temperature and Humidity; Table 44. Temperature and Humidity; Table 45. Limits of Temperature and Humidity

Deskstar 7K500 and Deskstar E7K500 Hard Disk Drive Specification
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7.2 Environment
7.2.1 Temperature and humidity
Notes:
• The system is responsible for providing sufficient ventilation to maintain a surface temperature below
60°C at the center of the top cover of the drive.
• Noncondensing conditions should be maintained at any time.
• Maximum storage period within shipping package is one year.
Table 45: Limits of temperature and humidity
Table 44: Temperature and humidity
Operating conditions
Temperature 5C to 55ºC (See note below)
Relative humidity 8 to 90%, non-condensing
Maximum wet bulb temperature 29.4ºC, non-condensing
Maximum temperature gradient 15ºC/hour
Altitude –300 to 3,048 m
Non-operating conditions
Temperature –40C to 65ºC
Relative humidity 5 to 95%, non-condensing
Maximum wet bulb temperature 35ºC, non-condensing
Altitude –300 to 12,000 m
0
10
20
30
40
50
60
70
80
90
100
-45-35-25-15-5 5 152535455565
Temperature ('C)
Relative Humidity (%)
Non-operating
Operating
W etBuib=29.4'C
W etBuib=35.0'C
65'C/14%
55'C/15%
31'C/90%
36'C/95%