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2.8
Environmental specifications
2.8.1
Ambient temperature
Ambient temperature is defined as the temperature of the environment immediately surrounding the drive.
Actual drive case temperature should not exceed 69°C (156°F) within the operating ambient conditions.
Operating:
0° to 60°C (32° to 140°F)
Nonoperating:
–40° to 70°C (–40° to 158°F)
2.8.2
Temperature gradient
Operating:
20°C per hour (68°F per hour max), without condensation
Nonoperating:
30°C per hour (86°F per hour max)
2.8.3
Humidity
2.8.3.1
Relative humidity
Operating:
5% to 95% noncondensing (30% per hour max)
Nonoperating:
5% to 95% noncondensing (30% per hour max)
2.8.3.2
Wet bulb temperature
Operating:
37.7°C (99.9°F max)
Nonoperating:
40°C (104°F max)
2.8.4
Altitude
Operating:
–304.8 m to 3,048 m (–1000 ft. to 10,000+ ft.)
Nonoperating:
–304.8 m to 12,192 m (–1000 ft. to 40,000+ ft.)
14
DiamondMax 23 Serial ATA Product Manual, Rev. C
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