Western Digital Purple Pro PR22 handleiding
Handleiding
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Specifications
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2.5 Environmental Specifications
2.5.1 Shock and Vibration
Table 2-7. Shock and Vibration
Operating Vibration
Drives are tested by applying an excitation in each linear axis, one axis at a time. The
drive incurs no physical damage and no hard errors while subjected to continuous
vibration not exceeding the level listed in the Table 2-7, “Shock and Vibration,” on
page 15. Operating performance may degrade during periods of exposure to
continuous vibration.
Non-Operating Vibration
Note: This specification applies to handling and transportation of unmounted drives.
Shock
Operating 30G, 2 ms (read/write)
65G, 2 ms (read)
Non-operating (2 ms) 250G
Note: Half-sine wave, measured without shock isolation and without non-recoverable errors.
Vibration
Operating (linear) Sine: 5-300 Hz, 1.0G (0 to peak)
Random: 5-500 Hz, 0.67 Grms
1
Non-operating Sine: 5-500 Hz, 2.0G (0 to peak)
Random: 2-200 Hz, 1.04 Grms
2
Note: Sine vibration with sweep rate of 0.5 octave/minute.
1
Power Spectral Density Profile
Frequency (Hz) 5 17 45 48 62 65 150 200 500 RMS
(m/sec
2
)
2/
Hz
0.0019 0.11 0.11 0.77 0.77 0.096 0.096 0.048 0.048
6.57 m/sec
2
(0.67 G)
2
Power Spectral Density Profile
Frequency (Hz) 2 4 8 40 55 70 200 RMS
(m/sec
2
)
2/
Hz
0.096 2.89 2.89 0.289 0.962 0.962 0.96
10.2 m/sec
2
(1.04 G)
Rotational Vibration
12.5 rad/sec
2
based on the following PSD profile maintaining <20% degration:
Frequency (Hz) 20 200 300 900 1400 1500
(Rad/sec
2
)
2
/Hz
0.035 0.035 0.2 0.2 0.002 0.002
Drive A Generated Vibration
Operating 0.2 gm-mm average with the drive in an unconstrained condition
Rotational Shock Non-Operating
Amplitude
20K rad/sec
2
Duration 2 ms
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Productinformatie
| Merk | Western Digital |
| Model | Purple Pro PR22 |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 4319 MB |