Dell DR4000 User Manual - Page 12
Temperature, Relative humidity, Maximum vibration, Maximum shock, Altitude, Airborne Contaminant Level
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Environmental NOTE: For additional information about environmental measurements for specific system configurations, see dell.com/environmental_datasheets. Temperature Operating 10 °C to 35 °C (50 °F to 95 °F) with a maximum temperature gradation of 10 °C per hour NOTE: For altitudes above 2950 feet, the maximum operating temperature is derated 1 ºF/550 ft. Storage -40 °C to 65 °C (-40 °F to 149 °F) with a maximum temperature gradation of 20 °C per hour Relative humidity Operating 20% to 80% (noncondensing) with a maximum humidity gradation of 10% per hour Storage 5% to 95% (noncondensing) Maximum vibration Operating 0.26 G at 5 Hz to 350 Hz for 15 min Storage 1.54 G at 10 Hz to 250 Hz for 15 min Maximum shock Operating One shock pulse in the positive z axis (one pulse on each side of the system) of 31 G for 2.6 ms in the operational orientation 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 Altitude Operating -16 m to 3048 m (-50 ft to 10,000 ft) NOTE: For altitudes above 2950 feet, the maximum operating temperature is derated 1 ºF/550 ft. Storage -16m to 10,600 m (-50 ft to 35,000 ft) Airborne Contaminant Level Class G1 as defined by ISA-S71.04-1985 10 Getting Started With Your System