9. ENVIRONMENTAL LIMITS
9.1 Temperature and Humidity
9.1.1 Temperature
Operating 5oC- 55oC
Gradient 20oC / Hour maximum
Non- operating - 20oC- 60oC
Gradient 20oC / Hour maximum
Under shipment | - 40oC- 70oC |
Gradient 30oC / Hour maximum
( Packed in Toshiba’s original shipping package. )
The temperature of top cover and base must be kept under 63℃ at any moment to maintain the desire reliability.
9.1.2 Humidity
Operating | 8%- 90% | R.H. ( No condensation. ) |
Non- operating | 8%- 90% | R.H. ( No condensation. ) |
Under shipment | 5%- 90% | R.H. ( Packed in Toshiba’s original shipping package. ) |
Max. wet bulb | 29oC (Operating) | |
| 40oC (Non- operating) | |
9.2 Vibration
|
| Operating | 9.8 m/s2 ( 1.0G ) |
|
|
|
| 5- 500 Hz |
|
|
|
| Sine wave sweeping 1 oct./ minute |
|
|
|
| No unrecoverable error. |
|
|
| Non operating | 10.0 mm |
|
|
|
|
| |
|
|
| No unrecoverable error. |
|
|
|
| 49 m/s2 ( 5.0G ) |
|
|
|
| 15- 500 Hz |
|
|
|
| Sine wave sweeping 1 oct./ minute |
|
|
|
| No unrecoverable error. |
|
9.3 Shock |
|
| ||
|
|
|
| |
|
| Operating | 3,185 m/s2 ( 325G ) |
|
|
|
| 2 msec half sine wave |
|
|
|
| Repeated twice maximum / second |
|
|
|
| No unrecoverable error. |
|
|
| Non- operating | 8,330 m/s2 ( 850G ) 1msec half sine wave |
|
|
|
| 1,960 m/s2 ( 200G ) 11 msec half sine wave |
|
|
|
| Repeated twice maximum / second |
|
|
|
| No unrecoverable error. |
|
|
| Under shipment | 70 cm free drop |
|
|
|
| No unrecoverable error. |
|
|
|
| Apply shocks in each direction of the drive’s three |
|
|
|
| mutually perpendicular axes, one axis at a time. |
|
|
|
| ( Packed in Toshiba’s original shipping package. ) |
|
|
|
|
|
|
Toshiba Corporation Digital Media Network Company
Page 22 of 159
© 2004, Copyright TOSHIBA Corporation All Rights Reserved