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2.10
Environmental specifications
2.10.1
Ambient temperature
Ambient temperature is defined as the temperature of the environment immediately surrounding the drive.
Actual drive case temperature should not exceed 65°C (149°F) within the operating ambient conditions.
Above 1000 feet (305 meters), the maximum temperature is derated linearly by 1°C every 1000 feet.
Operating:
0° to 60°C (32° to 140°F)
Nonoperating:
–40° to 70°C (–40° to 158°F)
2.10.2
Temperature gradient
Operating
20°C per hour (68°F per hour max), without condensation
Nonoperating
35°C per hour (95°F per hour max), without condensation
2.10.3
Humidity
2.10.3.1
Relative humidity
Operating
5% to 95% noncondensing (30% per hour max)
Nonoperating
5% to 95% noncondensing (30% per hour max)
2.10.3.2
Wet bulb temperature
Operating
37.7°C (99.86°F max)
Nonoperating
40°C (104°F max)
2.10.4
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)
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Momentus Thin Series SATA Product Manual, Rev. A
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