1) 16th Feb 2010 2) 1day 3) VC5090 4) BSP35 5) 2071151 Hi all, For VC5090 the humidity specifications are different depending on the document. From latest Data Sheet... Humidity: 5% to 95% CONDENSING AT -22° to 122° F/-30° to 50° C From latest PRG... Humidity: 5% to 95% NON CONDENSING The customer wants to know which is the correct one and what do the degrees exactly mean for "condensing at" specifications. Thanks for your help!