Dynamics; Noise; Airflow - HP Ultrium Drive Technical Reference Manual

Dynamics

Parameter
Operating sine vibration
Operating random vibration
Operating shock
Non-operating sine vibration
Non-operating random vibration 2.41G rms 5–500 Hz
Non-operating shock
Transportation sine vibration
Transportation random vibration
Package drop

Noise

Parameter
Operating acoustic noise

Airflow

HP Ultrium drives require forced airflow from front to back.
Parameter
Airflow (operating and non-operating) 0.17 m
18 Environmental
Specification
0.31G pk 5–500 Hz @ 1 octave/min with 15 min dwell at peak
resonance
0.31G rms 5–500 Hz 0.000194 g
5G 3 ms half-sine (no performance change)
2G 11 ms half-sine (no performance change)
8G 11 ms half-sine (no data loss)
Pulse rate: 0.1 Hz
1.0G pk 5–500 Hz @ 1 octave/min with 5 min dwell at peak
resonance
90G 3 ms half-sine (no damage)
30G 26 ms trapezoidal (no damage)
0.5G pk 5–200–5 Hz @ 1 octave/min with 5 min dwell at peak
resonance
1.47G rms 5–200 Hz
0.91m (36 in)
Specification
<5.0 bel sound power
Specification
3
/min (6 cu ft/min) at 35ºC ambient operation, rising to
3
0.23 m /min (8 cu ft/min) for up to 40ºC ambient operation
2
/Hz