Brian, I'd test a 450 Lbs. device on a rolling cart, but this makes it a floor standing test then??? When I was at Nokia we had a closed cell foam 'table' 80cm tall by 1.25 m wide we used. It could hold 100 Lbs. maybe, not sure you'll find anything for 450 Lbs.??? Maybe a foam table with a plastic sheet on top to spread the weight around?
Michael Sundstrom OHD TREQ Dallas Electronic Lab Analyst EMC Lead (214) 579 6312 office (940) 390 3644 cell マイク KB5UKT -----Original Message----- From: Kunde, Brian [mailto:[email protected]] Sent: Wednesday, November 06, 2013 7:23 AM To: [email protected] Subject: Re: [PSES] EN55022:2006 vs. EN55022:2010 So what do they want you to make your test table out of? Styrofoam was favored the last time I looked into this. Is there composite materials that work good plus can take a lot of weight? We have bench-top instruments that weigh over 450 lbs. And you must be able to roll it around. The Other Brian -----Original Message----- From: Julian Jones [mailto:[email protected]] Sent: Wednesday, November 06, 2013 2:20 AM To: [email protected] Subject: Re: [PSES] EN55022:2006 vs. EN55022:2010 Biggest change is probably the type of material for the table you use which needs to be proven not to affect the results. If you have wooden tables then you are going to have a large uncertainty value. There is a bit of work needed to prove your material choice has no effect and doesn't then need to be added to your measurement uncertainty. If your standard uncertainty was say 5dB and then you found the table you use at 6GHz affected the level by 6 dB then your MU becomes 11, which is a large margin to meet for a customer for Class B. Rgds -----Original Message----- From: Amund Westin [mailto:[email protected]] Sent: Wednesday, November 06, 2013 7:09 AM To: [email protected] Subject: [PSES] EN55022:2006 vs. EN55022:2010 Any major differences here? I assume the limits are the same ... maybe small changes on test set-up, etc ...? Best regards Amund - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. 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Thank you. - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) 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]> - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) 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]>
