It *should* be of interest only for air-discharge ESD testing. Cortland Richmond KA5S (/6)
>From: "Spencer, David H" <[email protected]> >Sent: Apr 1, 2008 9:40 AM >To: [email protected] >Subject: RE: Looking for Barometric pressure meter > > > >If the ANSI ESD standard is correct, in that "Air breakdown at a fixed >distance >between arcing electrodes is approximately proportional to the >atmospheric pressure..... " and "Typically, air breakdown at sea >level will be about 40% higher than at 3000m." > >By removing it, aren't you introducing a additional undocumented source >of inconsistency? > >Dave Spencer > > >-----Original Message----- >From: [email protected] [mailto:[email protected]] On Behalf Of Derek >Walton >Sent: Tuesday, April 01, 2008 12:24 PM >To: Pettit, Ghery >Cc: [email protected]; [email protected] >Subject: Re: Looking for Barometric pressure meter > >More interestingly, since it seems of little significance, why not >remove the requirement altogether. One less source of inconsistency... > >Derek Walton > >Pettit, Ghery wrote: >> >> Which brings up the question - if the tests may be performed at any >> pressure for which the EUT is rated, why specify a range in the first >> place? >>... - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas [email protected] Mike Cantwell [email protected] For policy questions, send mail to: Jim Bacher: [email protected] David Heald: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
