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4 environmental specifications, 5 acoustic noise – FUJITSU C141-E090-02EN User Manual

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C141-E090-01EN

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1.4

Environmental Specifications

Table 1.4 lists the environmental specifications.

Table 1.4

Environmental specifications

Temperature

• Operating

• Non-operating
• Thermal Gradient

5°C to 55°C (ambient)
5°C to 60°C (disk enclosure surface)
–40°C to 60°C
20°C/hour or less

Humidity

• Operating
• Non-operating
• Maximum Wet Bulb

8% to 80%RH (Non-condensing)
5% to 85%RH (Non-condensing)
29°C

Altitude (relative to sea level)

• Operating
• Non-operating

–60 to 3,000 m (–200 to 10,000 ft)
–60 to 12,000 m (–200 to 40,000 ft)

1.5

Acoustic Noise

Table 1.5 lists the acoustic noise specification.

Table 1.5

Acoustic noise specification

Model

MPE3102AH
MPE3136AH

MPE3204AH
MPE3273AH

Idle mode (DRIVE
READY)

3.7 bels

3.8 bels

Seek mode (Random)

4.3 bels

4.4 bels

Idle mode (DRIVE
READY)

32 dBA

33 dBA

Seek mode (Random)

38 dBA

39 dBA

Sound Power
per ISO 7779 and
ISO9296
(Typical at 1m)

Sound Pressure
(Typical at 1m)