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

2.2 Bels [MHT2040BH]

 

2.8 Bels [MHT2080BH/MHT2060BH]

Sound Pressure (at 0.3m)

25.0

dB [MHT2040BH]

 

34.0

dB [MHT2080BH/MHT2060BH]

 

 

 

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

 

2205 m/s2 0-peak (225G 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-E203-01EN

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Fujitsu MHT2040BH Acoustic Noise, Shock and Vibration, Acoustic noise specification, Shock and vibration specification