Dell PowerEdge R930 Owner's Manual page 175

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.
Conductive Dust
NOTE: Applies to data center and non-data
center environments.
Corrosive Dust
NOTE: Applies to data center and non-data
center environments.
Gaseous Contamination
NOTE: Maximum corrosive contaminant levels measured at ≤50% relative humidity.
Copper Coupon Corrosion Rate
Silver Coupon Corrosion Rate
Air must be free of conductive dust, zinc whiskers,
or other conductive particles.
• Air must be free of corrosive dust.
• Residual dust present in the air must have a
deliquescent point less than 60% relative
humidity.
<300 Å/month per Class G1 as defined by ANSI/
ISA71.04-1985.
<200 Å/month as defined by AHSRAE TC9.9.
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