Dell 5WC10 Installation And Service Manual page 37

Table 25. Particulate contamination specifications
Particulate contamination
Air filtration
Conductive dust
Corrosive dust
Table 26. Gaseous contamination specifications
Gaseous contamination
Copper coupon corrosion rate
Silver coupon corrosion rate
NOTE: Maximum corrosive contaminant levels measured at ≤50% relative humidity.
Specifications
Data center air filtration as defined by ISO Class 8 per ISO 14644-1
with a 95% upper confidence limit.
NOTE: The ISO Class 8 condition applies to data center
environments only. This air filtration requirement does 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.
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.
● 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.
Specifications
<300 Å/month per Class G1 as defined by ANSI/ISA71.04-2013.
<200 Å/month as defined by ANSI/ISA71.04-2013.
Technical specifications 37