Environment; Corrosion Test; Figure 26. Operating And Non-Operating Conditions; Figure 27. Temperature And Relative Humidity - IBM IC35L036UWDY10 - Ultrastar 36.7 GB Hard Drive 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 must provide sufficient ventilation to maintain a surface temperature not to exceed
60 °C at the center of the drive top cover. Non-condensing conditions should be maintained at all times.
Maximum storage period within shipping package is one year.
100
90
80
70
60
50
Shipping/Storage
40
30
20
10
0
-50 -40 -30 -20

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 hard disk assembly and remains
functional after being exposed to a temperature of 50°C and relative humidity of 90% for seven days.
5 to 55°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
31'C/90%
Operating
-10 0 10 20 30 40
Temperature (C)
Ultrastar 146Z10 hard disk drive specifications
36'C/95%
Wet Bulb 35C
Wet Bulb 29.4C
65'C/14%
55'C/15%
50 60 70
30