Dell PowerEdge T640 EMC Technical Specifications - Page 11

Temperature Maximum temperature gradient (operating and storage) Specifications 20°C/h (68°F/h) Table 9. 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 10. Maximum vibration specifications Maximum vibration Operating Storage Table 11. 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 12. Maximum altitude specifications Maximum altitude Operating Storage Specifications 30482000 m (10,0006560 ft) 12,000 m (39,370 ft) Table 13. 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 14. 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) Expanded operating temperature Table 15. Expanded operating temperature specifications Expanded operating temperature Specifications Continuous operation 5°C to 40°C at 5% to 85% RH with 29°C dew point. Technical specifications 11