beautypg.com

10 environmental specifications, 1 ambient temperature, 2 temperature gradient – Seagate MOMENTUS ST9100826A User Manual

Page 19: 3 humidity, 1 relative humidity, 2 wet bulb temperature, 4 altitude, 5 shock, 1 operating shock, Environmental specifications 2.10.1

background image

Momentus 5400 FDE Product Manual, Rev. C

13

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 1,000 feet (305 meters), the maximum temperature is derated linearly by 1°C every 1000 feet.

2.10.2

Temperature gradient

2.10.3

Humidity

2.10.3.1

Relative humidity

2.10.3.2

Wet bulb temperature

2.10.4

Altitude

2.10.5

Shock

All shock specifications assume that the drive is mounted securely with the input shock applied at the drive
mounting screws. Shock may be applied in the X, Y or Z axis.

2.10.5.1

Operating shock

These drives comply with the performance levels specified in this document when subjected to a maximum
operating shock of 250 Gs based on half-sine shock pulses of 2 msec. Shocks should not be repeated more
than two times per second.

Operating

5° to 55°C (41° to 131°F)

Nonoperating

–40° to 70°C (–40° to 158°F)

Operating

20°C per hour (68°F per hour max), without condensation

Nonoperating

30°C per hour (86°F per hour max), without condensation

Operating 5% to 90% noncondensing (30% per hour max)

Nonoperating 5% to 95% noncondensing (30% per hour max)

Operating 30°C (86°F max)

Nonoperating 40°C (104°F max)

Operating

–304.8 m to 3,048 m (–1,000 ft to 10,000 ft)

Nonoperating

–304.8 m to 12,192 m (–1,000 ft to 40,000 ft)

This manual is related to the following products: