Fujitsu C141-E090-02EN Acoustic noise specification, MPE3102AH MPE3204AH, MPE3136AH MPE3273AH

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

Sound Power	Model	MPE3102AH	MPE3204AH
per ISO 7779 and		MPE3136AH	MPE3273AH
ISO9296
	Idle mode (DRIVE	3.7 bels	3.8 bels
(Typical at 1m)
	READY)
	Seek mode (Random)	4.3 bels	4.4 bels
Sound Pressure	Idle mode (DRIVE	32 dBA	33 dBA
(Typical at 1m)	READY)
	Seek mode (Random)	38 dBA	39 dBA

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