HP (Hewlett-Packard) Ultrium Drive Manuale Utente

Environmental

18

Dynamics

Noise

Airflow

HP Ultrium drives require forced airflow from front to back.

Parameter

Specification

Operating sine vibration

0.31G pk 5–500 Hz @ 1 octave/min with 15 min dwell at peak 

resonance

Operating random vibration

0.31G rms 5–500 Hz 0.000194 g

2

/Hz

Operating shock

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

Non-operating sine vibration

1.0G pk 5–500 Hz @ 1 octave/min with 5 min dwell at peak 

resonance

Non-operating random vibration 2.41G rms 5–500 Hz
Non-operating shock

90G 3 ms half-sine (no damage)

30G 26 ms trapezoidal (no damage)

Transportation sine vibration

0.5G pk 5–200–5 Hz @ 1 octave/min with 5 min dwell at peak 

resonance

Transportation random vibration 1.47G rms 5–200 Hz
Package drop

0.91m (36 in)

Parameter

Specification

Operating acoustic noise <5.0 bel sound power

Parameter

Specification

Airflow (operating and non-operating) 0.17 m

3

/min (6 cu ft/min) at 35ºC ambient operation, rising to 

0.23 m

3

/min (8 cu ft/min) for up to 40ºC ambient operation