Power (continued)

Heat dissipation

955 BTU/hr

 

NOTE: Heat dissipation is calculated based upon the power supply

 

rating.

Voltage

manual selection power supplies — 90 to 135 V at 50/60 Hz; 180 to

 

265 V at 50/60 Hz

Backup battery

3-V CR2032 lithium coin cell

 

 

Physical

 

 

 

Height

11.4 cm (4.5 inches)

Width

39.9 cm (15.7 inches)

Depth

35.3 cm (13.9 inches)

Weight

10.4 kg (23 lb)

 

 

Environmental

 

 

 

Temperature:

 

Operating

10° to 35°C (50° to 95°F)

Storage

–40° to 65°C (–40° to 149°F)

Relative humidity

20% to 80% (noncondensing)

Maximum vibration:

 

Operating

0.25 G at 3 to 200 Hz at 0.5 octave/min

Storage

0.5 G at 3 to 200 Hz at 1 octave/min

Maximum shock:

 

Operating

bottom half-sine pulse with a change in velocity of 50.8 cm/sec (20

 

inches/sec)

Storage

27-G faired square wave with a velocity change of 508 cm/sec (200

 

inches/sec)

Altitude:

 

Operating

–15.2 to 3048 m (–50 to 10,000 ft)

Storage

–15.2 to 10,668 m (–50 to 35,000 ft)

Airborne contaminant level

G2 or lower as defined by ISA-S71.04-1985

102

Desktop Computer Specifications

Page 102
Image 102
Dell 755 manual 102, Power Heat dissipation, Rating