Dell 7CX5T Installation And Service Manual page 37

Table 25. Particulate contamination specifications (continued)
Particulate contamination
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
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