Standard

NEK EN 50227:1997

Oct 1997 Withdrawn

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Language English

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Abstract

This standard applies to proximity sensors connected for operation by a two-wire connecting conductor to the control input of a switching amplifier. The switching amplifier contains a d.c. source to supply the control circuit and is controlled by the variable internal resistance of the proximity sensor. Note 1. These devices can be used in an explosive atmosphere if they also comply with EN 50020 "Electrical equipment for explosive atmospheres and intrinsic safety 'i'". 2. These devices have been defined by the German organization "Normenausschuss f³r Mess-und Regelungstechnik (NAMUR)"

Document information

Standard from NEK
Published: 16 October 1997
Withdrawn: 1 January 2003
Edition: 1
Version: 1
Document type: NAT
ISBN:

National Committee NEK/NK17B
ICS 29.120.40

Legal references

EU law: 2004/108/EC, 2006/95/EC

Product Relations

Replaced by: NEK EN 60947-5-6:2000
Adopted from: EN 50227:1997 , 0

NEK EN 50227:1997

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Abstract

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