> From: 
> 
> <[email protected]> 
> 
> To: 
> 
> <[email protected]> 
> 
> Cc: 
> 
> <[email protected]>, <[email protected]> 
> 
> Date: 
> 
> 05/03/2011 09:42 AM 
> 
> Subject: 
> 
> Re: R&TTE Notified Body Opinion Cheaper than Full Testing? 
> 
> Sent by: 
> 
> <[email protected]> 
> 
> In my opinion it would be more expensive to do a Technical File (old
> Technical Construction File) because it is very difficult and 
> massive amounts of calculations et al to prove that your unit will 
> pass the EMC Directive using non-test data (schematics, etc) for all
> of the radiated and interfering phenomena. If you do a Technical 
> File correctly it is very time consuming and labor extensive. 
> Besides, I am not sure that this is allowed for Radio Devices. Even 
> if it was it would not be allowed for the US and many other countries. 
> 
> Bob Heller
> 3M EMC Laboratory, 76-1-01
> St. Paul, MN 55107-1208
> Tel: 651-778-6336
> Fax: 651-778-6252
> =========================================================================
> 
> 

> 
> From: 
> 
> <[email protected]> 
> 
> To: 
> 
> <[email protected]> 
> 
> Date: 
> 
> 05/03/2011 09:04 AM 
> 
> Subject: 
> 
> R&TTE Notified Body Opinion Cheaper than Full Testing? 
> 
> Sent by: 
> 
> <[email protected]> 
> 
> 
> 
> 
> 
> Hi, 
>   
> I design bespoke vehicle/personnel tracking and machine-machine 
> communications systems for clients using GPS and GSM/cellular 
> technologies, sometimes RF wireless (e.g. 433 & 2400 MHz 
> unlicensed), mostly embedding GPS/GSM/wireless modules within custom
> electronics. These are normally manufactured in a few 10’s at most. 
>   
> We self-declare to the R&TTE Directive by testing to the relevant 
> harmonised standards – this is phenomenally expensive for the 
> volumes we produce. 
>   
> Alternatively, I suspect it would be considerably (very 
> considerably) cheaper to supply a Technical File, including very 
> limited testing results, design data and technical rationales to a 
> R&TTE Notified Body to confirm compliance with the R&TTED. We 
> naturally produce most of this information anyway as part of the 
> development. The NB certificate would satisfy us, regulatory 
> authorities and clients. 
>   
> Does anybody have experience of using this alternative approach – is
> it a viable and cheaper alternative. 
>   
> Feel free to reply off-line if you wish. 
>   
> Thanks in advance for your views, 
> Tony 
>   
> 
>  -
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> This message is from the IEEE Product Safety Engineering Society 
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> All emc-pstc postings are archived and searchable on the web at 
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> Graphics (in well-used formats), large files, etc. can be posted to that
URL. 
> Website: http://www.ieee-pses.org/ <http://www.ieee-pses.org/> 
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For help, send mail to the list administrators:
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