I read in !emc-pstc that FastWave <bi...@fastwave.com> wrote (in <f6760896d8b96a499c62ed44754e910d92b...@hades.edd.com>) about 'Safety & EMC - which 1st?' on Mon, 29 Mar 2004: >Certainly we would all prefer that our company's products be designed for >initial/immediate compliance, that we have multiple samples available for >testing, and that all the testing is completed without failure. However, in >the real world scenario of one sample for both safety & EMC, that may not >pass all tests, would you recommend that safety certification/testing be >done before or after EMC testing? The key issue being whether a "fix" for >one discipline will require a re-test for the other discipline. > >Personally, I have always recommended that safety be done 1st for two >reasons: >1) Changes for safety almost always affect EMC testing but EMC changes >seldom affect safety testing and, >2) Safety re-tests are far less expensive than EMC re-tests. > >Do you agree?
Yes. In addition, you can draw a lot of correct conclusions about safety just by visual inspection, but EMC problems are almost entirely invisible unless very blatant. -- Regards, John Woodgate, OOO - Own Opinions Only. The good news is that nothing is compulsory. The bad news is that everything is prohibited. http://www.jmwa.demon.co.uk Also see http://www.isce.org.uk This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ieee-pses.org/ 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: emc_p...@symbol.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://www.ieeecommunities.org/emc-pstc
