Thank you all for you responses.  I now have a better understanding of the
relationship and some sources for further reading.
Once again this forum proves to be a valuable resource.

Lisa


Lisa A. Cefalo, CRE
Manager, Reliability and Design Services
MKS Instruments
6 Shattuck Road
Andover, MA 01810
(978)-975-2350  X 5669
[email protected]


                                                                              
                                                             
                      "John Allen"                                            
                                                             
                      <ja014d7879@blueyonder        To:       "Rachid Sehb"
<[email protected]>, <[email protected]>,               
                      .co.uk>                       
<[email protected]>                                                 
        
                      Sent by:                      cc:                       
                                                             
                      owner-emc-pstc@majordo        Subject:  Re: ATEX
Directive                                                            
                      mo.ieee.org                                             
                                                             
                                                                              
                                                             
                                                                              
                                                             
                      05/20/2003 03:30 AM                                     
                                                             
                      Please respond to                                       
                                                             
                      "John Allen"                                            
                                                             
                                                                              
                                                             
                                                                              
                                                             





Hi Folks

>From some of the answers already posted I wonder (although I hope that I am
wrong) is there could there be a very basic issue of comprehension here in
Lisa's original question?

Just to remind you:

-ATEX = Short for "Atmospheres Explosives" or "Explosive Atmospheres".
-> The term is used mainly in conjunction with Directives 94/9/EC (the
Product Directive dealing with certification of equipment for use explosive
atmospheres) and 1999/92/EC (the User Directive aimed at companies that
operate sites where explosive atmospheres do or may exist).

CENELEC is  European Electrotechnical Standards Committee
-> the EU sponsored central body under whose control almost all European
electrical and electronic (except telecomms) standards for all sorts of
equipment are prepared.

CENELEC  works mainly for the EU Commission under mandates to prepare
specific standards, and thus produced all the ATEX product standards
required under 94/9/EC. Certification to these standards, and thus to
Directive 94/9/EC,  is now via the various routes shown in that Directive -
where appropriate, using the services of the organisations registered as
Notified Bodies under that Directive.

All earlier ATEX equipment schemes, including the "CENELEC" scheme have now
be superceeded by the schemes brought in by 94/9/EC.

Regards

John Allen




From: "Rachid Sehb" <[email protected]>
To: <[email protected]>; <[email protected]>
Sent: Tuesday, May 20, 2003 12:44 AM
Subject: RE: ATEX Directive


>
>  Good example of the potential impact of a new European Directive is the
> ATEX Directive (94/9/EC). This Directive replaces the old  'Explosive
> Atmospheres and Gassy Mines Directive' (76/117/EEC) and is intended to
bring
> products covered by the old directive into line with the other, so
called,
> 'New Approach' CE marking Directives. The Directive covers equipment and
> protective systems, which may be used in areas endangered by potentially
> explosive atmospheres created by the presence of flammable gases,
vapours,
> mists or dusts. The Directive covers both electrical and mechanical
> equipment.
>
>
> -----Original Message-----
> From: [email protected]
> To: [email protected]
> Sent: 5/19/03 2:47 PM
> Subject: ATEX Directive
>
>
> Does anyone have any information on the relationship between the ATEX
> directive and CENELEC?  Is it a replacement for CENELEC?  Does
> compliance
> with one insure compliance with the other?  Are they mutually exclusive?
> Any help or direction as to where to look would be appreciated.
>
>
> Regards,
>
> Lisa
>
> Lisa A. Cefalo, CRE
> Manager, Reliability and Design Services
> MKS Instruments
> 6 Shattuck Road
> Andover, MA 01810
> (978)-975-2350  X 5669
> [email protected]
>
>
>
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