Answer Posted / saf

NAMUR was founded at Leverkusen on November 3, 1949, as the
body to represent the interests of the users of measurement
and control technology in the chemical industry by such
renowned experts in the field as Dr. Sturm (Bayer), Dr.
Hengstenberg (BASF) and Dr. Winkler (Hüls).
At the second meeting in December 1949, the founding
members of the working group settled the name:
Standardization association for measurement and control in
chemical industries - abbreviated to NAMUR.
In accordance with the state of the art, NAMUR’s subtitle
was changed in 1996 to "Interessengemeinschaft
Prozessleittechnik der chemischen und pharmazeutischen
Industrie" (Process Control Systems Interest Group of the
Chemical and Pharmaceutical Industries); and on 9 November
2005, the subtitle was changed again
to "Interessengemeinschaft Automatisierungstechnik der
Prozessindustrie" (Automation Systems Interest Group of the
Process Industry). The NAMUR logo remained unchanged.

In the post-war years, the main activities in process
measurement were the improvement of measurement, control
loop analysis, standardization, especially of interfaces (4-
20 mA signal, NAMUR Initiator [proximity switch]), i.e. the
emphasis was on the standardization and exchange of
experience relating to measurement and control devices.

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