Hitachi HTS543212L9SA00 Manual Do Utilizador

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5K320 SATA OEM Specification 
 
34 
6.5  Vibration and shock 
All vibration and shock measurements in this section are for drives without mounting attachments for 
systems. The input level shall be applied to the normal drive mounting points. 
Vibration tests and shock tests are to be conducted by mounting the drive to a table using the bottom four 
mounting holes. 
6.5.1 
Operating vibration 
The drive will operate without a hard error while being subjected to the following vibration levels. 
6.5.1.1  Random vibration 
The test consists of 30 minutes of random vibration using the power spectral density (PSD) levels below.  
The vibration test level is 6.57 m/sec
2
 RMS
 
(Root Mean Square) (0.67 G RMS). 
Random vibration PSD profile Breakpoint 
Hz 
m x 10n (m
2
/sec
4
)/Hz 
1.9 x E–3 
17 
1.1 x E–1 
45 
1.1 x E–1 
48 
7.7 x E–1 
62 
7.7 x E–1 
65 
9.6 x E–2 
150 
9.6 x E–2 
200 
4.8 x E–2 
500 
4.8 x E–2 
Table  17. Random vibration
 
PSD profile breakpoints (operating)
 
6.5.1.2    Swept sine vibration 
Swept sine vibration (zero to peak 5 to 
500 to 5 Hz sine wave) 
Sweep rate (oct/min) 
9.8 m/sec
2
 (1 G) (5 -500 Hz) 
1.0 
Table  18. Swept sine vibration