Dell PowerEdge T640 EMC PowerEdge T640 Installation and Service Manual - Page 35

Standard operating temperature

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Table 17. Temperature specifications (continued) Temperature Specifications Fresh air For information about fresh air, see Expanded Operating Temperature section. Maximum temperature gradient (operating and storage) 20°C/h (68°F/h) Table 18. Relative humidity specifications Relative humidity Storage Operating 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. Table 19. Maximum vibration specifications Maximum vibration Operating Storage Table 20. Maximum shock specifications Maximum vibration Operating Storage Specifications 0.26 Grms at 5 Hz to 350 Hz (all operation orientations). 1.88 Grms at 10 Hz to 500 Hz for 15 min (all six sides tested). Specifications Six consecutively executed shock pulses in the positive and negative x, y, and z axes 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. Table 21. Maximum altitude specifications Maximum altitude Operating Storage Specifications 30482000 m (10,0006560 ft) 12,000 m (39,370 ft) Table 22. Operating temperature de-rating specifications Operating temperature de-rating Specifications Up to 35°C (95°F) Maximum temperature is reduced by 1°C/300 m (1°F/547 ft) above 950 m (3,117 ft). 35°C to 40°C (95°F to 104°F) Maximum temperature is reduced by 1°C/175 m (1°F/319 ft) above 950 m (3,117 ft). 40°C to 45°C (104°F to 113°F) Maximum temperature is reduced by 1°C/125 m (1°F/228 ft) above 950 m (3,117 ft). Standard operating temperature Table 23. Standard operating temperature specifications Standard operating temperature Specifications Continuous operation (for altitude less than 950 m or 3117 10°C to 35°C (50°F to 95°F) with no direct sunlight on the equipment. ft) Technical specifications 35

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Table 17. Temperature specifications (continued)
Temperature
Specifications
Fresh air
For information about fresh air, see
Expanded Operating Temperature
section.
Maximum temperature gradient (operating and storage)
20°C/h (68°F/h)
Table 18. Relative humidity specifications
Relative humidity
Specifications
Storage
5% to 95% RH with 33°C (91°F) maximum dew point. Atmosphere must
be non-condensing at all times.
Operating
10% to 80% relative humidity with 29°C (84.2°F) maximum dew point.
Table 19. Maximum vibration specifications
Maximum vibration
Specifications
Operating
0.26 G
rms
at 5 Hz to 350 Hz (all operation orientations).
Storage
1.88 G
rms
at 10 Hz to 500 Hz for 15 min (all six sides tested).
Table 20. Maximum shock specifications
Maximum vibration
Specifications
Operating
Six consecutively executed shock pulses in the positive and negative x, y,
and z axes
Storage
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.
Table 21. Maximum altitude specifications
Maximum altitude
Specifications
Operating
30482000 m (10,0006560 ft)
Storage
12,000 m (39,370 ft)
Table 22. Operating temperature de-rating specifications
Operating temperature de-rating
Specifications
Up to 35°C (95°F)
Maximum temperature is reduced by 1°C/300 m (1°F/547 ft) above 950 m
(3,117 ft).
35°C to 40°C (95°F to 104°F)
Maximum temperature is reduced by 1°C/175 m (1°F/319 ft) above 950 m
(3,117 ft).
40°C to 45°C (104°F to 113°F)
Maximum temperature is reduced by 1°C/125 m (1°F/228 ft) above 950 m
(3,117 ft).
Standard operating temperature
Table 23. Standard operating temperature specifications
Standard operating temperature
Specifications
Continuous operation (for altitude less than 950 m or 3117
ft)
10°C to 35°C (50°F to 95°F) with no direct sunlight on the equipment.
Technical specifications
35