1.5 Acoustic Noise

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

 

1.5B

[MHV2040AT]

 

 

2.3B

[MHV2120AT/MHV2100AT/MHV2080AT/MHV2060AT]

Sound Pressure (at 0.3m)

 

16dB [MHV2040AT]

 

 

24dB [MHV2120AT/MHV2100AT/MHV2080AT/MHV2060AT]

 

 

 

 

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

 

5 to 500 Hz, 9.8m/s2 0-peak (1G 0-peak)

 

 

 

(without non-recovered errors)

 

 

 

5 to 500 Hz, 49m/s2 0-peak (5G 0-peak)

Non-operating

 

(no damage)

 

 

 

Shock (half-sine pulse)

 

 

Operating

 

2940 m/s2 0-peak (300G 0-peak)

 

 

 

2ms duration

Non-operating

 

(without non-recovered errors)

 

 

 

 

 

8820 m/s2 0-peak (900G 0-peak)

 

 

 

1ms duration

 

 

 

1176 m/s2 0-peak (120G 0-peak)

 

 

 

11ms duration

 

 

 

(no damage)

 

 

 

 

C141-E218

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Fujitsu MHV2040AT Acoustic Noise, Shock and Vibration, Acoustic noise specification, Shock and vibration specification