Dell R820 manuals, Relative humidity, Maximum vibration, Maximum shock, Altitude, Environmental

Environmental

	NOTE: For information on supported expanded operating
	temperature range and configurations, see support.dell.com/
	manuals.
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) at a maximum wet bulb
	temperature of 29 °C (84.2 °F)
Storage	5% to 95% at a maximum wet bulb temperature of 38 °C (100.4 °F)
Maximum vibration
Operating	0.26 Grms at 5 Hz–350 Hz (all operation orientations)
Storage	1.87 Grms at 10 Hz–500 Hz for 15 min (all six sides tested)
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
	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)
Altitude
Operating	–15.2 m to 3048 m (–50 ft to 10,000 ft)
	NOTE: For altitudes above 2950 ft, the maximum operating
	temperature is derated 1ºF per 550 ft.
Storage	–15.2 m to 10,668 m (–50 ft to 35,000 ft)
Airborne Contaminant Level
Class	G1 as defined by ISA-S71.04-1985

8