Type State Specifications
Non-operating Same as operating specification
Impact Operating No impact
Non-operating 78.4 m/s
2
(8.0 G), 15 ms
Seismic wave Operating 2.5 m/s
2
(0.25 G) (approximately 250 Gal) or less
Non-operating 3.9 m/s
2
(0.4 G) or less: No critical damage for
product function (normal operating with part
replacement).
9.8 m/s
2
(1.0 G) or less: Ensure own safety with fall
prevention.
Table 6 Altitude (Temperature range)
State Specification
Operating (m) 3,050 m (10°C to 28°C) [10,006 ft. (50°F to 82.4°F)]
950 m (10°C to 35°C) [3,116 ft. (50°F to 95°F)]
Non-operating (m) -60 m to 12,000 m (-196 ft. to 39,370 ft.)
Table 7 Environment/atmosphere
Type State Specifications
Dust Operating 0.15 µg/m
3
or less
Non-operating -
Gaseous
contaminants
Operating Within ANSI/ISA S71.04-2013 G1 classification
levels.
Keep data center clean by monitoring and controlling
gaseous contamination.
Non-operating
Table 8 Noise level (recommended)
State Specification
Operating 90 dB or lower*
Non-operating
Environmental specifications
Chapter 3: Specifications
Hitachi Virtual Storage Platform E990 Hardware Reference Guide 35
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