Acoustic Noise; Shock And Vibration; Table 1.5 Acoustic Noise Specification; Table 1.6 Shock And Vibration Specification - Fujitsu MHY2250BH Product/Maintenance Manual

1.5 Acoustic Noise

Table 1.5 lists the acoustic noise specification.
Item
• Idle mode (DRIVE READY)
Sound Power
Sound Pressure (at 0.3m)
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
Vibration (Swept sine, 1/4 octave per minute)
• Operating
Non-operating
Shock (half-sine pulse)
• Operating
• Non-operating
C141-E262

Table 1.5 Acoustic noise specification

Specification
2.0B [MHY2120BH, MHY2100BH, MHY2080BH,
MHY2060BH, MHY2040BH]
2.4B [MHY2250BH, MHY2200BH, MHY2160BH]
22dB [MHY2120BH, MHY2100BH, MHY2080BH,
MHY2060BH, MHY2040BH]
28dB [MHY2250BH, MHY2200BH, MHY2160BH]
Specification
5 to 500 Hz, 9.8m/s
(without non-recovered errors)
5 to 500 Hz, 49m/s
(no damage)
3185 m/s
2ms duration
(without non-recovered errors)
8820 m/s
1ms duration
1176 m/s
11ms duration
(no damage)
1.5 Acoustic Noise
2
0-peak (1G 0-peak)
2
0-peak (5G 0-peak)
2
0-peak (325G 0-peak)
2
0-peak (900G 0-peak)
2
0-peak (120G 0-peak)
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