This sounds much like what I call Rubens Coil. The attached Word doc describes the unit.
Mr. Rubens deserves the credit. jgs Jim Sketoe M/C S106-3050 (314)232-4782 (Voice) (314)232-7391 (Fax) From: Gordon,Ian [mailto:ian.gor...@edwards.boc.com] Sent: Thursday, January 23, 2003 9:15 AM To: 'IEEE EMC-PSTC GROUP' Subject: CALIBRATION AND CONSTRUCTION OF HELMHOLTZ COILS All I would like to construct a Helmholtz coil to perform magnetic field immunity testing at DC frequencies and thus simulate the effect of a permanent magnet. There are some details on construction in EN61000-4-8 which details power frequency magnetic field immunity testing within the scope of the EMC directive. However the fields referred to are measured in A/m, whereas I need a field of, for example, 5mTesla. Can anybody advise me as to how to construct such a coil with a test volume of 0.5 x 0.5 x 0.5m and a field of 5mTesla? Thanks Ian Gordon _____________________________________________________________________ This e-mail has been scanned for viruses by the WorldCom Internet Managed Scanning Service - powered by MessageLabs. For further information visit http://www.worldcom.com 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: majord...@ieee.org with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: emc-p...@hypercom.com Dave Heald: davehe...@attbi.com For policy questions, send mail to: Richard Nute: ri...@ieee.org Jim Bacher: j.bac...@ieee.org 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: majord...@ieee.org with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: emc-p...@hypercom.com Dave Heald: davehe...@attbi.com For policy questions, send mail to: Richard Nute: ri...@ieee.org Jim Bacher: j.bac...@ieee.org Archive is being moved, we will announce when it is back on-line. All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc