Dell PowerEdge R750 EMC Technical Specifications - Page 14

Table 19. Maximum shock pulse specifications

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Table 15. Operational climatic range category A3 Temperature Specifications Allowable continuous operations Temperature ranges for altitudes < 900 m (< 2953 ft) 5-40°C (41-104°F) with no direct sunlight on the equipment Humidity percent ranges (non-condensing at all 8% RH with -12°C minimum dew point to 85% RH with 24°C (75.2°F) times) maximum dew point Operational altitude de-rating Maximum temperature is reduced by 1°C/175 m (33.8°F/574 Ft) above 900 m (2953 Ft) Table 16. Operational climatic range category A4 Temperature Specifications Allowable continuous operations Temperature ranges for altitudes < 900 m (< 2953 ft) 5-45°C (41-113°F) with no direct sunlight on the equipment Humidity percent ranges (non-condensing at all 8% RH with -12°C minimum dew point to 90% RH with 24°C (75.2°F) times) maximum dew point Operational altitude de-rating Maximum temperature is reduced by 1°C/125 m (33.8°F/410 Ft) above 900 m (2953 Ft) Table 17. Shared requirements across all categories Temperature Specifications Allowable continuous operations Maximum temperature gradient (applies to both operation and non-operation) 20°C in an hour* (36°F in an hour) and 5°C in 15 minutes (9°F in 15 minutes), 5°C in an hour* (9°F in an hour) for tape NOTE: * - Per ASHRAE thermal guidelines for tape hardware, these are not instantaneous rates of temperature change. Non-operational temperature limits Non-operational humidity limits Maximum non-operational altitude Maximum operational altitude -40 to 65°C (-104 to 149°F) 5% to 95% RH with 27°C (80.6°F) maximum dew point 12,000 meters (39,370 feet) 3,048 meters (10,000 feet) Table 18. Maximum vibration specifications Maximum vibration Specifications Operating Storage 0.21 Grms at 5 Hz to 500 Hz for 10 minutes (all operation orientations) 1.88 Grms at 10 Hz to 500 Hz for 15 minutes (all six sides tested) Table 19. Maximum shock pulse specifications Maximum shock pulse Specifications Operating Six consecutively executed shock pulses in the positive and negative x, y, and z axis of 6 G for up to 11 ms. Storage Six consecutively executed shock pulses in the positive and negative x, y, and z axis (one pulse on each side of the system) of 71 G for up to 2 ms. 14 Technical specifications

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Table 15. Operational climatic range category A3
Temperature
Specifications
Allowable continuous operations
Temperature ranges for altitudes < 900 m (<
2953 ft)
5–40°C (41–104°F) with no direct sunlight on the equipment
Humidity percent ranges (non-condensing at all
times)
8% RH with -12°C minimum dew point to 85% RH with 24°C (75.2°F)
maximum dew point
Operational altitude de-rating
Maximum temperature is reduced by 1°C/175 m (33.8°F/574 Ft) above
900 m (2953 Ft)
Table 16. Operational climatic range category A4
Temperature
Specifications
Allowable continuous operations
Temperature ranges for altitudes < 900 m (<
2953 ft)
5–45°C (41–113°F) with no direct sunlight on the equipment
Humidity percent ranges (non-condensing at all
times)
8% RH with -12°C minimum dew point to 90% RH with 24°C (75.2°F)
maximum dew point
Operational altitude de-rating
Maximum temperature is reduced by 1°C/125 m (33.8°F/410 Ft) above
900 m (2953 Ft)
Table 17. Shared requirements across all categories
Temperature
Specifications
Allowable continuous operations
Maximum temperature gradient (applies to both
operation and non-operation)
20°C in an hour* (36°F in an hour) and 5°C in 15 minutes (9°F in 15
minutes), 5°C in an hour* (9°F in an hour) for tape
NOTE:
* - Per ASHRAE thermal guidelines for tape hardware, these are
not instantaneous rates of temperature change.
Non-operational temperature limits
-40 to 65°C (-104 to 149°F)
Non-operational humidity limits
5% to 95% RH with 27°C (80.6°F) maximum dew point
Maximum non-operational altitude
12,000 meters (39,370 feet)
Maximum operational altitude
3,048 meters (10,000 feet)
Table 18. Maximum vibration specifications
Maximum vibration
Specifications
Operating
0.21 G
rms
at 5 Hz to 500 Hz for 10 minutes (all operation orientations)
Storage
1.88 G
rms
at 10 Hz to 500 Hz for 15 minutes (all six sides tested)
Table 19. Maximum shock pulse specifications
Maximum shock pulse
Specifications
Operating
Six consecutively executed shock pulses in the positive and negative x, y,
and z axis of 6 G for up to 11 ms.
Storage
Six consecutively executed shock pulses in the positive and negative x, y,
and z axis (one pulse on each side of the system) of 71 G for up to 2 ms.
14
Technical specifications