Dell PowerEdge R520 Getting Started Manual page 8

Environmental
NOTE: For additional information about environmental measurements for specific system configurations, see
dell.com/environmental_datasheets.
Temperature
Operating
Storage
Relative humidity
Operating
Storage
Maximum vibration
Operating
Storage
Maximum shock
Operating
Storage
Altitude
Operating
Storage
Airborne Contaminant Level
Class
8
Continuous operation: 10 °C to 35 °C at 10% to 80% relative humidity
(RH), with 26 °C max dew point. De-rate maximum allowable dry bulb
temperature at 1 °C/300 m above 900 m (1 °F per 550 ft).
NOTE: For information on supported expanded operating
temperature range and configurations, see support.dell.com/
manuals.
–40 °C to 65 °C (–40 °F to 149 °F) with a maximum temperature
gradation of 20 °C per hour
20% to 80% (noncondensing) at a maximum wet bulb temperature of 29
°C (84.2 °F)
5% to 95% at a maximum wet bulb temperature of 38 °C (100.4 °F)
0.26 G at 5 Hz to 350 Hz (all operation orientations)
rms
1.87 G at 10 Hz to 500 Hz for 15 min (all six sides tested)
rms
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
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
Six consecutively executed shock pulses in the positive and negative x,
y, and z axes (one pulse on each side of the system) of 32 G faired
square wave pulse with velocity change at 270 inches/second (685
centimeters/second)
–15.2 m to 3048 m (–50 to 10,000 ft)
NOTE: For altitudes above 2950 ft, the maximum operating
temperature is derated 1 ºF/550 ft.
–15.2 m to 10,668 m (–50 ft to 35,000 ft)
G1 as defined by ISA-S71.04-1985