Health Canada, under Safety Code 6 specifies magnetic field strength in A/m .
Ralph Cameron EMC Consultant and Suppression of Consumer Electronic Equipment (After Sale) ----- Original Message ----- From: Mike Hopkins <mhopk...@keytek.com> To: 'Rich Nute' <ri...@sdd.hp.com> Cc: 'IEEE' <emc-p...@ieee.org> Sent: Friday, December 17, 1999 6:42 AM Subject: RE: Magnetic field monitors > > IEC 1000-4-8 require testing products in a square loop with magentic field > strengths expressed in Amps/meter; hence, customers want > measurement/monitoring equipment that reads in Amps/meter. > > Page 17 of 1000-4-8 states "The magnetic field strength is expressed in A/m; > 1 A/m corresponds to a free space induction of 1.26uT." > > Mike Hopkins > mhopk...@keytek.com > > > -----Original Message----- > > From: Rich Nute [SMTP:ri...@sdd.hp.com] > > Sent: Thursday, December 16, 1999 6:02 PM > > To: mhopk...@keytek.com > > Cc: emc-p...@ieee.org > > Subject: Re: Magnetic field monitors > > > > > > > > Hmmm. Let's see: > > > > Magnetic field strength is measured in: > > > > amperes/meter > > oerstads > > > > Magnetic flux density is measured in: > > > > tesla > > gauss > > > > As near as I can tell, there is no conversion from > > one to the other. This would imply they are > > separate phenomenon. > > > > I'm not in the EMC field, but I'm curious as > > to regulatory requirements and what "interferences" > > such emissions would cause. (I'm presuming both > > are regulated.) > > > > > > Best regards, > > Rich > > > > > > --------- > This message is coming from the emc-pstc discussion list. > To cancel your subscription, send mail to majord...@ieee.org > with the single line: "unsubscribe emc-pstc" (without the > quotes). For help, send mail to ed.pr...@cubic.com, > jim_bac...@monarch.com, ri...@sdd.hp.com, or > roger.volgst...@compaq.com (the list administrators). > > > --------- This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: "unsubscribe emc-pstc" (without the quotes). For help, send mail to ed.pr...@cubic.com, jim_bac...@monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators).
