Dell PowerEdge R940 EMC Technical Specifications - Page 15

Table 21. Particulate contamination specifications continued

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Table 21. Particulate contamination specifications (continued) Particulate contamination Specifications 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 22. Gaseous contamination specifications Gaseous contamination Specifications Copper coupon corrosion rate

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Table 21. Particulate contamination specifications (continued)
Particulate contamination
Specifications
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 22. Gaseous contamination specifications
Gaseous contamination
Specifications
Copper coupon corrosion rate
<300 Å/month per Class G1 as defined by ANSI/ISA71.04-2013.
Silver coupon corrosion rate
<200 Å/month as defined by ANSI/ISA71.04-2013.
NOTE:
Maximum corrosive contaminant levels measured at ≤50% relative humidity.
PowerEdge R940 technical specifications
15