Environmental

NOTE: For additional information about environmental measurements for specific system configurations, see dell.com/environmental_datasheets.

Temperature

Maximum temperature gradient (operating and storage)

Storage temperature limits

Relative humidity

Storage

Temperature (continuous operation)

Temperature ranges (for altitude less than 950 m or 3117 ft)

20°C/h (36°F/h)

–40°C to 65°C (–40°F to 149°F)

5% to 95% RH with 33°C (91 °F) maximum dew point. Atmosphere must be non-condensing at all times.

10°C to 35°C (50°F to 95°F) with no direct sunlight on the equipment.

NOTE: For information on restrictions, see Standard Operating Temperature.

Fresh air

For information on fresh air, see Expanded

 

Operating Temperature.

Humidity percentage range

10% to 80% Relative Humidity with 26°C

 

(78.8°F) maximum dew point.

Maximum vibration

 

Operating

0.26 Grms at 5 Hz to 350 Hz (all operation

 

orientations).

Storage

1.87 Grms at 10 Hz to 500 Hz for 15 min (all six

 

sides tested).

Maximum shock

 

Operating

One shock pulse in the positive z axis of 31 G

 

for 2.6 ms in all operational orientations.

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.

Maximum altitude

 

Operating

3,048 m (10,000 ft)

Storage

12,000 m (39,370 ft).

Operating altitude 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).

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Dell E26S Series owner manual Operating Temperature