Particulate And Gaseous Contamination Specifications - Dell E28S Series Owner's Manual

Technical specifications
Table 30 Maximum altitude specifications
Maximum altitude
Operating
Storage
If the operating temerature of a system is up to 35 °C (95 °F), the maximum temperature is
reduced by 1 °C/300 m (1 °F/547 ft) above 950 m (3,117 ft). If the operating temperature of a
system ranges from 35 °C to 40 °C (95 °F to 104 °F), the maximum temperature is reduced by 1
°C/175 m (1 °F/319 ft) above 950 m (3,117 ft). If the operating temperature of a system ranges
from 40 °C to 45 °C (104 °F to 113 °F), the maximum temperature is reduced by 1 °C/125 m (1
°F/228 ft) above 950 m (3,117 ft).
Table 31 Operating temperature de-rating specifications
Operating temperature de-rating
Up to 35°C (95°F)
35°C to 40°C (95°F to 104°F)
40°C to 45°C (104°F to 113°F)

Particulate and gaseous contamination specifications

The following table defines the limitations that help avoid any equipment damage or failure from
particulates and gaseous contamination. If the levels of particulates or gaseous pollution exceed
the specified limitations and result in equipment damage or failure, you may need to rectify the
environmental conditions. Re-mediation of environmental conditions is the responsibility of the
customer.
Air filtration specification: Data center air filtration as defined by ISO Class 8 per ISO 14644-1
shpuld have a 95% upper confidence limit. Note: This condition applies only to data center
environments. Air filtration requirements do not apply to IT equipment designed to be used outside
a data center, in environments such as an office or factory floor. Note: Air entering the data center
must have MERV11 or MERV13 filtration. Conductive dust specification: Air must be free of
conductive dust, zinc whiskers, or other conductive particles. Note: This condition applies to data
center and non-data center environments. Corrosive dust specification: Air must be free of
corrosive dust. Residual dust present in the air must have a deliquescent point less than 60%
relative humidity. Note: This condition applies to data center and non-data center environments.
Table 32 Particulate contamination specifications
Particulate contamination
Air filtration
Dell PowerEdge R430 Owner's Manual
48
Specifications
30482000 m (10,0006560 ft)
12,000 m (39,370 ft)
Specifications
Maximum temperature is reduced by 1°C/300 m
(1°F/547 ft) above 950 m (3,117 ft).
Maximum temperature is reduced by 1°C/175 m
(1°F/319 ft) above 950 m (3,117 ft).
Maximum temperature is reduced by 1°C/125 m
(1°F/228 ft) above 950 m (3,117 ft).
Specifications
Data center air filtration as defined by ISO Class 8
per ISO 14644-1 with a 95% upper confidence limit.
Note: This condition applies to data center
environments only. Air filtration requirements do
not apply to IT equipment designed to be used
outside a data center, in environments such as
an office or factory floor.