Shock; Vibration - Seagate ST9750423AS Product Manual

2.10.6 Shock

All shock specifications assume that the drive is mounted securely with the input shock applied at the drive mounting screws. Shock may
be applied in the X, Y or Z axis.
Note. Additional shock protection is provided by the Free Fall Protection feature on ST9750423ASG, ST9750420ASG,
ST9640423ASG and ST9500423ASG models. See Section 2.13.1 for additional information about this feature.
2.10.6.1 Operating shock
These drives comply with the performance levels specified in this document when subjected to a maximum operating shock of 350 Gs
based on half-sine shock pulses of 2ms. Shocks should not be repeated more than one time per axis.
2.10.6.2 Nonoperating shock
The nonoperating shock level that the drive can experience without incurring physical damage or degradation in performance when
subsequently put into operation is 800 Gs based on a nonrepetitive half-sine shock pulse of 2 ms duration.
The nonoperating shock level that the drive can experience without incurring physical damage or degradation in performance when
subsequently put into operation is 1000 Gs based on a nonrepetitive half-sine shock pulse of 1 ms duration.
The nonoperating shock level that the drive can experience without incurring physical damage or degradation in performance when
subsequently put into operation is 1000 Gs based on a nonrepetitive half-sine shock pulse of 0.5 ms duration.

2.10.7 Vibration

All vibration specifications assume that the drive is mounted securely with the input vibration applied at the drive mounting screws.
Vibration may be applied in the X, Y or Z axis.
2.10.7.1 Operating vibration
The maximum vibration levels that the drive may experience while meeting the performance standards specified in this document are
specified below.
5–200 Hz 2.0 Gs (0 to peak). Max displacement may apply below 10 Hz.
200–500 Hz 1.0 Gs (0 to peak).
2.10.7.2 Nonoperating vibration
The maximum nonoperating vibration levels that the drive may experience without incurring physical damage or degradation in performance when
subsequently put into operation are specified below
5–500 Hz: 5 Gs (0 to peak). Max displacement may apply below 22 Hz.
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