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

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Dell R820 manual Environmental, Manuals, Relative humidity, Maximum vibration, Maximum shock, Altitude