Fujitsu MPG3XXXAH Environmental Specifications, Environmental specifications, Acoustic Noise

Models: MPG3XXXAH

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1.4Environmental Specifications

Table 1.4 lists the environmental specifications.

 

Table 1.4

Environmental specifications

 

 

 

Temperature

 

 

Operating

 

5°C to 55°C (ambient)

 

 

 

5°C to 60°C (disk enclosure surface)

Non-operating

 

–40°C to 60°C

Thermal Gradient

 

20°C/hour or less

 

 

 

 

Humidity

 

 

 

Operating

 

8% to 80%RH (Non-condensing)

Non-operating

 

5% to 85%RH (Non-condensing)

Maximum Wet Bulb

 

29°C

 

 

 

Altitude (relative to sea level)

 

 

Operating

 

–60 to 3,000 m (–200 to 10,000 ft)

Non-operating

 

–60 to 12,000 m (–200 to 40,000 ft)

 

 

 

 

1.5Acoustic Noise

Table 1.5 lists the acoustic noise specification.

Table 1.5 Acoustic noise specification

 

Model

MPG3102AH

MPG3153AH

Sound Power

 

MPG3204AH

 

 

per ISO 7779 and ISO9296

 

 

 

Idle mode (DRIVE READY)

3.6 bels

3.7 bels

(Typical at 1m)

 

 

 

 

Seek mode (Random)

4.0 bels

4.1 bels

 

 

 

 

Sound Pressure

Idle mode (DRIVE READY)

31 dBA

32 dBA

(Typical at 1m)

 

 

 

Seek mode (Random)

35 dBA

36 dBA

 

 

 

 

 

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C141-E112-01EN

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Fujitsu MPG3XXXAH manual Environmental Specifications, Environmental specifications, Acoustic Noise