HP 200 HP StorageWorks 200 Storage Virtualization System site preparation guid - Page 29
Humidity speci, cations
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Humidity specifications Maintain proper humidity levels. High humidity levels cause galvanic actions to occur between some dissimilar metals. This eventually causes a high resistance between connections, leading to equipment failure. Low humidity contributes to undesirably high levels of electrostatic charges. This increases the electrostatic discharge (ESD) voltage potential. ESD can cause component damage during servicing operations. Low humidity levels are often the result of the facility heating system and occur during the cold season. Most heating systems provide air with a low humidity level, unless the system has a built-in humidifier. You should not see any condensation in or around the system under any conditions. There is no procedure for recovery from moisture condensation. Humidity range type Noncondensing relative humidity (RH) Operating humidity range at 22 degrees C (71 degrees F) 20% to 80% Nonoperating humidity range 8% to 90% Shipping and storage humidity range (product packed in factory packing) 5% to 95% Operating maximum wet bulb temperature 26 degrees C 79 degrees F Nonoperating maximum wet bulb temperature 27 degrees C 81 degrees F Shipping and storage maximum wet bulb temperature 29 degrees C 84 degrees F HP StorageWorks 200 Storage Virtualization System site preparation guide 29