9. ENVIRONMENTAL LIMITS
9.1 Temperature and Humidity
9.1.1 Temperature |
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| Operating | 5oC- 60oC |
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| Gradient 15oC / Hour maximum |
| Non- operating | - 20oC- 65oC |
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| Gradient 15oC / Hour maximum |
| Under shipment | - 40oC- 70oC |
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| Gradient 30oC / Hour maximum |
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| ( Packed in Toshiba’s original shipping package. ) |
The temperature of top cover and base must be kept under 65℃ 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 | 4 mm |
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| No unrecoverable error. |
| 19.6 m/s2 ( 2.0G ) |
| 15- 500 Hz |
| Sine wave sweeping 1 oct./ minute |
| No unrecoverable error. |
Non operating | 10 mm |
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| No unrecoverable error. |
| 49 m/s2 ( 5.0G ) |
| 15- 500 Hz |
| Sine wave sweeping 1 oct./ minute |
| No unrecoverable error. |
9.3 Shock
| Operating | 4,900 m/s2 ( 500G ) |
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| 2 msec half sine wave |
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| Repeated twice maximum / second |
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| No unrecoverable error. |
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| Non- operating | 14,700 m/s2 ( 1500G ) 1 msec half sine wave |
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| Repeated twice maximum / second |
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| No unrecoverable error. |
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| Under shipment | 70 cm free drop |
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| No unrecoverable error. |
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| Apply shocks in each direction of the drive’s three |
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| mutually perpendicular axes, one axis at a time. |
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| ( Packed in Toshiba’s original shipping package. ) |
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