Environment; Corrosion Test - IBM Ultrastar 36LZX Specifications

7.3 Environment

Operating conditions
Temperature
Relative Humidity
Maximum Wet Bulb Temperature
Maximum Temperature Gradient
Altitude
Non-operating conditions
Temperature
Relative Humidity
Maximum Wet Bulb Temperature
Maximum Temperature Gradient
Altitude
Figure 26. Operating and non-operating conditions
NOTE: The system has to provide sufficient ventilation to maintain a surface temperature below 60 °C at
the center of the drive top cover. Non-condensing conditions should be maintained at any time.
Maximum storage period with shipping package is one year.
100
90
80
70
60
Non-operating
50
40
30
20
10
0
-45 -35 -25 -15
Figure 27. Temperature and relative humidity

7.3.1 Corrosion test

The hard disk drive shows no signs of corrosion inside or outside of the HDA and remains functional after
7 days of 50 °C temperatures and 90% relative humidity.
5 to 50°C (See note)
8 to 90%, non-condensing
29.4°C, non-condensing
15°C/Hour
-300 to 3048 m
-40 to 65°C
5 to 95%, non-condensing
35°C, non-condensing
15°C/Hour
-300 to 12,000 m
36'C/95%
31'C/90%
Operating
50'C/22%
-5 5 15 25 35
Temperature ('C)
Ultrastar 36LZX hard disk drive specifications
WetBuib=35.0'C
WetBuib=29.4'C
65'C/14%
45 55 65
38