Dell EMC PowerEdge R740xd2 - Page 186

Particulate contamination Specications
NOTE: Air entering the data center must have MERV11 or MERV13
ltration.
Conductive dust 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
• 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 41. Gaseous contamination specications
Gaseous contamination Specications
Copper coupon corrosion rate <300 Å/month per Class G1 as dened by ANSI/ISA71.04-1985.
Silver coupon corrosion rate <200 Å/month as dened by AHSRAE TC9.9.
NOTE: Maximum corrosive contaminant levels measured at ≤50% relative humidity.
186 Technical specications