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Copyright ©2000 Toshiba corporation. All rights reserved.
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8. ENVIRONMENTAL LIMITS
8.1 Temperature and Humidity
8.1.1 Temperature
Operating
5
o
C- 55
o
C
Gradient 15
o
C / Hour maximum
Non- operating
- 20
o
C- 60
o
C
Gradient 15
o
C / Hour maximum
Under shipment
- 40
o
C- 70
o
C
Gradient 30
o
C / Hour maximum
( Packed in Toshiba’s original shipping package. )
The temperature of top cover and base must be kept under 60 at any moment to maintain the desire
reliability.
8.1.2 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
29
o
C (Operating)
40
o
C (Non- operating)
8.2 Vibration
Operating
9.8 m/s
2
( 1.0G )
5- 500 Hz
Sine wave sweeping 1 oct./ minute
No unrecoverable error.
Non operating 25.4 mm p-p displacement.
5-10 Hz
No unrecoverable error.
49 m/s
2
( 5.0G )
10- 500 Hz
Sine wave sweeping 1 oct./ minute
No unrecoverable error.
8.3 Shock
Operating
1,470 m/s
2
( 150G )
2 msec half sine wave
Repeated twice maximum / second
No unrecoverable error.
Non- operating
6,860 m/s
2
( 700G ) 1 msec half sine wave
1,960 m/s
2
( 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. )