Fujitsu MHT2040BH User Manual
1.5 Acoustic Noise
C141-E203-01EN 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
2.2 Bels [MHT2040BH]
2.8 Bels [MHT2080BH/MHT2060BH]
2.8 Bels [MHT2080BH/MHT2060BH]
Sound Pressure (at 0.3m)
25.0 dB [MHT2040BH]
34.0 dB [MHT2080BH/MHT2060BH]
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
• 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)
(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)