The only problem is that a utility transformer may have high energy density, but it has little more flux density than the smallest wall-wart.
Bob Wilson TIR Systems Ltd. Vancouver. -----Original Message----- From: Scott Douglas [mailto:[email protected]] Sent: June 14, 2002 10:06 AM To: [email protected] Subject: Re: Magnetics testing Lisa, Gee, could you maybe talk to your local power company and set up inside one of their local distribution stations? With all those transformers, high voltages and currents, I would think 80 gauss would be easy to find? Scott At 11:13 AM 6/13/02 -0500, Ken Javor wrote: >I don't know labs who does this kind of work, but I don't think the original >request is that "out there." I think more info is needed (at least by me). >If this is at 50/60 Hz, I don't think it is that bad. Looks like around 100 >Amps would be necessary. Not your typical Helmholtz coil, but not outside >the bounds of reality. Depends a lot on the size of the test item. If it >is small compared to a breadbox, then the 100 Amp number could come down >substantially. > >---------- > >From: Mike Cantwell <[email protected]> > >To: [email protected] > >Subject: RE: Magnetics testing > >Date: Thu, Jun 13, 2002, 9:08 AM > > > > > > > > > 30 to 80 Gauss is equivalent to about 6500 A/m. This is an enormous > field!!! > > > > Do you have the right units? > > > > > > > > -----Original Message----- > > From: [email protected] [mailto:[email protected]] > > Sent: Thursday, June 13, 2002 6:40 AM > > To: [email protected] > > Subject: Magnetics testing > > > > > > > > Hello All, > > > > I am wondering if anyone knows of a test lab in the northeast capable of > > generating a magnetic field strength of 30 to 80 Gauss? > > > > thanks > > > > Regards, > > > > Lisa > > > > Lisa A. Cefalo, CRE > > Manager, Reliability and Design Services > > MKS Instruments > > (978)-975-2350 X 5669 > > [email protected] > > > > > > ------------------------------------------- > > This message is from the IEEE EMC Society Product Safety > > Technical Committee emc-pstc discussion list. > > > > Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ > > > > To cancel your subscription, send mail to: > > [email protected] > > with the single line: > > unsubscribe emc-pstc > > > > 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://ieeepstc.mindcruiser.com/ > > Click on "browse" and then "emc-pstc mailing list" > > > > ------------------------------------------- > > This message is from the IEEE EMC Society Product Safety > > Technical Committee emc-pstc discussion list. > > > > Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ > > > > To cancel your subscription, send mail to: > > [email protected] > > with the single line: > > unsubscribe emc-pstc > > > > 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://ieeepstc.mindcruiser.com/ > > Click on "browse" and then "emc-pstc mailing list" > > > >------------------------------------------- >This message is from the IEEE EMC Society Product Safety >Technical Committee emc-pstc discussion list. > >Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ > >To cancel your subscription, send mail to: > [email protected] >with the single line: > unsubscribe emc-pstc > >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://ieeepstc.mindcruiser.com/ > Click on "browse" and then "emc-pstc mailing list" ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. 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