Dell PowerEdge T30 Owners Manual - Page 20

Particulate and gaseous contamination specifications

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Type Condition 40 °C to 45 °C (104 °F to 113 °F) Temperature or Specification Maximum temperature is reduced by 1 °C/125 m (1 °F/228 ft) above 950 m (3,117 ft). 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. NOTE: This section defines the limits to help avoid IT equipment damage and/or failure from particulates and gaseous contamination. If it is determined that levels of particulates or gaseous pollution are beyond the limits specified in the following table and are the reason for the damage and/or failures to your equipment, it may be necessary for you to re- mediate the environmental conditions that are causing the damage and/or failures. Re-mediation of environmental conditions will be the responsibility of the customer. Table 18. Particulate contamination specifications Particulate contamination Specifications Air Filtration Data center air filtration as defined by ISO Class 8 per ISO NOTE: Applies to data center environments only. Air filtration 14644-1 with a 95% upper confidence limit. requirements do not apply to IT equipment designed to be used NOTE: Air entering the data center must have outside a data center, in environments such as an office or MERV11 or MERV13 filtration. factory floor. Conductive Dust NOTE: Applies to data center and non-data center environments. Air must be free of conductive dust, zinc whiskers, or other conductive particles. Corrosive Dust NOTE: Applies to data center and non-data center environments. • Air must be free of corrosive dust. • Residual dust present in the air must have a deliquescent point less than 60% relative humidity. Table 19. Gaseous contamination specifications Gaseous contamination Specifications Copper Coupon Corrosion Rate Silver Coupon Corrosion Rate

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Type
Condition
Temperature or Specification
40 °C to 45 °C (104 °F to 113 °F)
Maximum temperature is reduced by 1 °C/125 m (1 °F/228
ft) above 950 m (3,117 ft).
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.
NOTE:
This section defines the limits to help avoid IT equipment damage and/or failure from particulates and gaseous
contamination. If it is determined that levels of particulates or gaseous pollution are beyond the limits specified in the
following table and are the reason for the damage and/or failures to your equipment, it may be necessary for you to re-
mediate the environmental conditions that are causing the damage and/or failures. Re-mediation of environmental
conditions will be the responsibility of the customer.
Table 18. Particulate contamination specifications
Particulate contamination
Specifications
Air Filtration
NOTE:
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.
Data center air filtration as defined by ISO Class 8 per ISO
14644-1 with a 95% upper confidence limit.
NOTE:
Air entering the data center must have
MERV11 or MERV13 filtration.
Conductive Dust
NOTE:
Applies to data center and non-data center
environments.
Air must be free of conductive dust, zinc whiskers, or other
conductive particles.
Corrosive Dust
NOTE:
Applies to data center and non-data center
environments.
•
Air must be free of corrosive dust.
•
Residual dust present in the air must have a deliquescent
point less than 60% relative humidity.
Table 19. Gaseous contamination specifications
Gaseous contamination
Specifications
Copper Coupon Corrosion Rate
<300 Å/month per Class G1 as defined by ANSI/ISA71.04-1985.
Silver Coupon Corrosion Rate
<200 Å/month as defined by AHSRAE TC9.9.
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Technical specifications