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1.4 Environmental Specifications
C141-E145-02EN 1-7
Figure 1.1 Current fluctuation (Typ.) at +5V when power is turned on
(5) Power on/off sequence
The voltage detector circuits (the MHR Series) monitor +5 V. The circuits do not
allow a write signal if either voltage is abnormal. These prevent data from being
destroyed and eliminates the need to be concerned with the power on/off
sequence.
1.4 Environmental Specifications
Table 1.4 lists the environmental specifications.
Table 1.4 Environmental specifications
Item Specification
Temperature
• Operating
• Non-operating
• Thermal Gradient
5°C to 55°C (ambient)
5°C to 60°C (disk enclosure surface)
–40°C to 65°C
20°C/h or less
Humidity
• Operating
• Non-operating
• Maximum Wet Bulb
8% to 90% RH (Non-condensing)
5% to 95% RH (Non-condensing)
29°C (Operating)
40°C (Non-operating)
Altitude (relative to sea level)
• Operating
• Non-operating
–300 to 3,000 m
–300 to 12,000 m