North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: MAE NY?
On Tue, 6 Oct 1998, Jay Adelson wrote: > Too cold? Are you serious? Man, I just can't win. > > Our readouts were reporting 68-71F... Somebody tell me what this needs > to be set to for our exchange facilities. They're all pretty insanely > big, so this is something to do ONCE. Nows the time, we're deep into > engineering HVAC for the first fifteen. Oh, and I'd love to hear > humidity suggestions as well. Well, lets see... 1) Largest minimum operating RH for a communications device that I happen to have the specs for is 20%. 2) Smallest maximum operating RH for a communications device that I happen to have the specs for is 80%. 3) Static electricity is minimized when RH is at or above 35%. 4) RH below 25% can cause embrittlement of hygroscopic materials such as paper. 5) RH above 65% can cause mold growth and metal corrosion. 6) Humans are most comfortable when the RH is between 20% and 60%. 7) RH above 50% in cold weather can cause condensation inside of outer walls. So... perhaps a target humidity somewhere between 35% and 45% would be ideal. -Richard
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