Environmental Specifications - Dell DR4300 System Owner's Manual

Environmental specifications

NOTE: For additional information about environmental measurements for specific system configurations, see Dell.com/
environmental_datasheets.
Table 17. Temperature specifications
Temperature
Storage
Continuous operation (for altitude less than 950 m or 3117
ft)
Fresh air
Maximum temperature gradient (operating and storage)
Table 18. Relative humidity specifications
Relative humidity
Storage
Operating
Table 19. Maximum vibration specifications
Maximum vibration
Operating
Storage
Table 20. Maximum shock specifications
Maximum vibration
Operating
Storage
Table 21. Maximum altitude specifications
Maximum altitude
Operating
Storage
Table 22. Operating temperature de-rating specifications
Operating temperature de-rating
Up to 35°C (95°F)
35°C to 40°C (95°F to 104°F)
40°C to 45°C (104°F to 113°F)
Specifications
–40°C to 65°C (–40°F to 149°F)
10°C to 35°C (50°F to 95°F) with no direct sunlight on the equipment.
For information about fresh air, see Expanded Operating Temperature
section.
20°C/h (68°F/h)
Specifications
5% to 95% RH with 33°C (91°F) maximum dew point. Atmosphere must be
non-condensing at all times.
10% to 80% relative humidity with 29°C (84.2°F) maximum dew point.
Specifications
0.26 G at 5 Hz to 350 Hz (all operation orientations).
rms
1.88 G at 10 Hz to 500 Hz for 15 min (all six sides tested).
rms
Specifications
Six consecutively executed shock pulses in the positive and negative x, y,
and z axes of 40 G for up to 2.3 ms.
Six consecutively executed shock pulses in the positive and negative x, y,
and z axes (one pulse on each side of the system) of 71 G for up to 2 ms.
Specifications
30482000 m (10,0006560 ft)
12,000 m (39,370 ft)
Specifications
Maximum temperature is reduced by 1°C/300 m (1°F/547 ft) above 950 m
(3,117 ft).
Maximum temperature is reduced by 1°C/175 m (1°F/319 ft) above 950 m
(3,117 ft).
Maximum temperature is reduced by 1°C/125 m (1°F/228 ft) above 950 m
(3,117 ft).
Technical specifications 21