Hitachi HTS541040G9AT00 Specifications - Page 47
Vibration and shock - travelstar 30
UPC - 000059826569
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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/sec2 RMS (Root Mean Square) (0.67 G RMS). Table 19: Random vibration PSD profile breakpoints (operating) Random vibration PSD profile breakpoint Hz m x 10n (m2/sec4)/Hz 5 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 4.8x E-2 500 4.8 x E-2 6.5.1.2 Swept sine vibration Table 20: Swept sine vibration Swept sine vibration (zero to peak 5 to 500 to 5 Hz sine wave) 9.8 m/sec2 (1 G) (5-500 Hz) Sweep rate (oct/min) 1.0 6.5.2 Nonoperating vibration The disk drive withstands the vibration levels described below without any loss or permanent damage. Travelstar 5K100 Hard Disk Drive Specification 33