In message 
<of2efeed37.ea4628d8-on86257593.004b7ac1-86257593.004d1...@mmm.com>, 
dated Thu, 9 Apr 2009, [email protected] writes:

>EN 55022:2006 provides a means of determining the conformity of 
>equipment produced in series production based on a sample size (Section 
>7). Section 7 talks about CISPR limits in general. Would it be 
>appropriate to use the formula in section 7 (7.2.3) for other standards 
>that have applicable equipment made in series production? And would it 
>be appropriate to apply the formula to both emissions and immunity test 
>samples?

If the applicable product standard says you can. The '80-80 rule' is 
actually standardized in CISPR 16-4-3/EN 55016-4-3 and 55022 just copies 
it (more or less).

However, if you really have a series-production product and the 
applicable product standard doesn't mention the 80-80 rule, I think the 
current EMC Directive does not prohibit you applying it anyway; in the 
event of a query you would have to justify applying it.
-- 
OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk
Things can always get better. But that's not the only option.
John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK

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