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Is 3 nF at 15 kV enough to kill an insect? Or just blow off a leg or two? Peta will get you. Dave Cuthbert Micron Technology From: [email protected] [mailto:[email protected]] On Behalf Of Julian Jones Sent: Thursday, July 29, 2004 7:30 AM To: [email protected] Cc: [email protected] Subject: RE: Origin of 45 micro coulomb limit http://www.ieee-pses.org/symposium http://www.emc2004.org/ As it happens we have an interest in this 45micro C too, does anyone know how to measure it. ? The question is regard to an insert killer, with charged metal grids. There is a potential get-out clause if the resultant level is below this limit. Many thanks Julian From: [email protected] [mailto:[email protected]] On Behalf Of [email protected] Sent: 29 July 2004 14:15 To: Ronald R. Wellman Cc: [email protected] Subject: Re: Origin of 45 micro coulomb limit http://www.ieee-pses.org/symposium http://www.emc2004.org/ Ron, I do not know the origin but this value is used in many standards such as 60950-1, 60065, 61131-2, etc. John Radomski Schneider Automation "Ronald R. Wellman" <[email protected] To: [email protected] > cc: Sent by: Subject: Origin of 45 micro coulomb limit owner-emc-pstc@listse rv.ieee.org 07/29/2004 08:57 AM http://www.ieee-pses.org/symposium http://www.emc2004.org/ Hello all, I was wondering if anyone knows of the origin of the 45 micro coulomb limit used to specify the charge of capacitance level under normal conditions for voltages up to 15 kV? Does this value come from scientific data or some other standard? Example standard clauses are: IEC 61010-1, clause 6.3.1 (c) (1) and IEC 60950-1, clause 2.4.2. Best regards, Ron Wellman This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. IEEE PSES Main Website: http://www.ieee-pses.org/ To post a message send your e-mail to [email protected] Instructions for use of the list server: http://listserv.ieee.org/listserv/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. IEEE PSES Main Website: http://www.ieee-pses.org/ To post a message send your e-mail to [email protected] Instructions for use of the list server: http://listserv.ieee.org/listserv/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. IEEE PSES Main Website: http://www.ieee-pses.org/ To post a message send your e-mail to [email protected] Instructions for use of the list server: http://listserv.ieee.org/listserv/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. IEEE PSES Main Website: http://www.ieee-pses.org/ To post a message send your e-mail to [email protected] Instructions for use of the list server: http://listserv.ieee.org/listserv/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
