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/h 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

Sound Power

Model

MPC3045AH

per ISO 7779 and ISO9296

MPC3065AH

 

(Typical at 1m)

 

 

Idle mode

3.9 bels

 

 

(DRIVE READY)

 

 

 

 

 

 

Seek mode (Random)

4.4 bels

 

 

 

Sound Pressure

Idle mode

34 dBA

(Typical at 1m)

(DRIVE READY)

 

 

 

 

 

Seek mode (Random)

40 dBA

 

 

 

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Fujitsu MPC3045AH, MPC3065AH manual Acoustic noise specification, Drive Ready