Dell FM120x4 owner manual Gaseous Contamination

NOTE: Applies to data center and non-data center •	Residual dust present in the air must have a
environments.	deliquescent point less than 60% relative humidity.
Gaseous Contamination

NOTE: Maximum corrosive contaminant levels measured at ≤50% relative humidity.

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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