Fujitsu MHU2100AT 사용자 설명서

Fujitsu

1.5 Acoustic Noise

C141-E202-01EN 1-9

1.5 Acoustic Noise

Table 1.5 lists the acoustic noise specification.

Table 1.5 Acoustic noise specification

Item Specification

(typical)

•

Idle mode (DRIVE READY)

Sound Power

2.4B

Sound Pressure (at 0.3m)

25.0dB

Note:

Measure the noise from the cover top surface.

1.6 Shock and Vibration

Table 1.6 lists the shock and vibration specification.

Table 1.6 Shock and vibration specification

Item Specification

Vibration (Swept sine, 1/4 octave per minute)

• Operating

• Non-operating

5 to 500 Hz, 9.8m/s

2

0-peak (1G 0-peak)

(without non-recovered errors)

5 to 500 Hz, 49m/s

2

0-peak (5G 0-peak)

(no damage)

Shock (half-sine pulse)

• Operating

• Non-operating

2205 m/s

2

0-peak (225G 0-peak)

2ms duration
(without non-recovered errors)

8820 m/s

2

0-peak (900G 0-peak)

1ms duration

1176 m/s

2

0-peak (120G 0-peak)

11ms duration

(no damage)