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Dell Precision Rack 7910 - Page 121

Dell Precision Rack 7910
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Table 18. Environmental
Environmental Specification
Temperature:
Operating 10 °C to 35 °C (50 °F to 95 °F)
Storage -40 °C to 65 °C (-40 °F to 149 °F)
Maximum 20°C/h (36°F/h)
Restriction K6000/K20 cards + 160 w processor is limited to
30 c operating temperature maximum.
Relative humidity (maximum):
Operating 5% to 95% RH with 33°C (91°F) maximum dew
point. Atmosphere must be non-condensing at
all times.
Storage 10% to 80% Relative Humidity with 29°C (84.2°F)
maximum dew point.
Maximum vibration:
Operating 0.26 Grms at 5 Hz to 350 Hz (all operation
orientations).
Storage 1.88 Grms at 10 Hz to 500 Hz for 15 min (all six
sides tested).
Maximum shock:
Operating Six consecutively executed shock pulses in the
positive and negative x, y, and z axes of 40 G for
up to 2.3 ms.
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.
Airborne contaminant level G1 or lower as defined by ISA-S71.04–1985
Maximum Altitude
Operating 3048 m (10,000 ft).
Storage 12,000 m (39,370 ft).
Operating Temperature De-rating
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).
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