John et al Is there a standard which is applicable to this sort of work?
Ian Gordon From: John Woodgate [mailto:[email protected]] Sent: 02 January 2008 13:24 To: [email protected] Subject: Re: Radiated emission testing "in the real world" In message <5d39f9c94199f64fa82e5809c702aa7c590...@z-160-100-30-229.est.ibm.com>, dated Wed, 2 Jan 2008, "Gordon,Ian" <[email protected]> writes: >Clause 6.1 of CISPR 11 requires that ambient noise levels to be 6dB >below the specified limit. However for testing at a customer site i.e. >not on an OATS or in a chamber the level of ambient emissions may be >higher than this due to neighbouring factories or other sources. Can >anybody suggest how to achieve these measurements? CISPR 11 is not intended for in situ measurements. This might help, but I'm not confident! DD CLC/TS 50217:2005 Title: Guide for in situ measurements. In situ measurement of disturbance emission -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk For very important information, please turn over. John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas [email protected] Mike Cantwell [email protected] For policy questions, send mail to: Jim Bacher: [email protected] David Heald: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc _____________________________________________________________________ This e-mail has been scanned for viruses by Verizon Business Internet Managed Scanning Services - powered by MessageLabs. For further information visit http://www.verizonbusiness.com/uk *********************************************************************** The information contained in this email and any attachments may be confidential and is provided solely for the use of the intended recipient(s). If you are not the intended recipient, you are hereby notified that any disclosure, distribution, or use of this e-mail, its attachments or any information contained therein is unauthorised and prohibited. If you have received this in error, please contact the sender immediately and delete this e-mail and any attachments. No responsibility is accepted for any virus or defect that might arise from opening this e-mail or attachments, whether or not it has been checked by anti-virus software. - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas [email protected] Mike Cantwell [email protected] For policy questions, send mail to: Jim Bacher: [email protected] David Heald: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
