David is correct. You really need to look hard to find an inverter type of UPS in the consumer market. All of the consumer grade UPS's I know about (APC, Tripp-lite, etc....) are switching types and have been known to cause problems.
David Woolley (E.L) wrote: > Jim Brown wrote: >> On Mon, 02 Mar 2009 18:58:58 +0000, Brian Alsop wrote: >> >>> I'm wondering about a UPS supply that's attached to the computer. Do >>> they only kick in when power goes out >> That is nearly always how they work. BUT -- if the transformer is > > The sort of UPS that would be used by a data centre would normally > always use the inverter, the argument being that it avoids mains > transients (and, presumably, gives a cleaner switch over). > > -- R. Kevin Stover, ACØH ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html