HP Workstation x4000, Technical Reference Manual

Page: 124 / 238

Mechanical Specifications
Environmental Specifications
Chapter 8 124
Environmental Specifications
Operating temperature and humidity ranges may vary depending on the
installed mass storage devices. High humidity levels can cause improper
disk operation. Low humidity levels can aggravate static electricity
problems and cause excessive wear of the disk surface.
Environmental Specifications (System Processing Unit with
Hard Disk)
Storage Humidity 90% (relative, non-condensing)
Operating Humidity 15% to 80% (relative, non-condensing)
Storage Temperature
-40
o
C (-40
o
F) to 70
o
C (158
o
F)
Operating Temperature
5
o
C (41
o
F) to 35
o
C (95
o
F)
Altitude • Operating: 0 to 10,000 ft. (3100m)
• Non-operating: 0 to 15,000 ft.
(4500m)
Shock • Operating: Maximum 20 G at less
than 3 ms (1/2 sine)
• Non-operating: Maximum 80 G at
less than 3 ms (1/2 sine)
Vibration • Operating Random: Maximum
0.21 G (RMS)
• Operating Swept-Sine: Maximum
0.5 G (0 - Peak)
• Non-Operating Random: Maximum
2.09 G (RMS)
Acoustics • +5 to +25 degrees C: Less than 5.0
Bels (sound power)
• +25 to +35 degrees C: Less than 5.5
Bels (sound power)
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