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from the Instrumentation department...
NAMUR and Instrinsic Safety
Sensors topic
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Posted by Fred Zhang on 18 July, 2007 - 11:21 pm
Friends,

Could you help to clarify what the use of NAMUR is and does it have any connection with IS? Since I noticed some instruments like proximity switch with NAMUR are used in hazardous area.

Thanks!

Fred

Posted by John Capstack on 29 March, 2008 - 12:05 am
NAMUR is inherently intrinsically safe, when used with a signal NAMUR conditioner.

NAMUR is a trade association of process controls users that has worked to define certain aspects of process control equipment. They have put out "recommended practices" that equipment should adhere to. The NAMUR documents are not standards but bid spec.

Their origins are chemical/pharmaceutical industries with most companies from Europe.

http://www.namur.de/en/967.php

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