HP Digital AlphaStation 255 Family - Page 109

Technical Specifications
B–3
Table B–4: System Environmental Specifications
Attributes Specification
Operating temperature 10°C to 40°C (50°F to 104°F)
Storage temperature −40°C to 65°C (−4°F to 149°F)
Operating humidity
(noncondensing)
10% to 90% relative humidity,
maximum wet bulb 28°C (82°F)
Storage humidity
(noncondensing)
10% to 90% relative humidity,
maximum wet bulb 46°C (114°F)
Altitude
Operating
Nonoperating
3,048 m (10,000 ft) maximum
12,190 m (40,000 ft) maximum
Table B–5: Acoustics: Preliminary Declared Values
per ISO 9296 and ISO 7779
Product Sound Power Level
L
WAd
, B
Idle Operate
Sound Pressure Level
L
pAm
, dBA
(operator position)
Idle Operate
AlphaStation 255
with 1-GB disk
4.8 5.1 40 42
Current values for specific configurations are available from Digital representatives.
1 B =10 dBA.