NEN EN ISO 6817 : 1995
Current
The latest, up-to-date edition.
MEASUREMENT OF CONDUCTIVE LIQUID FLOW IN CLOSED CONDUITS - METHODS USING ELECTROMAGNETIC FLOWMETERS
12-01-2013
Committees responsible
National foreword
Foreword to EN ISO 6817
Method
1 Scope
2 Normative references
3 Definitions
4 Symbols and units
5 Theoretical requirements
6 Construction and principle of operation
7 Installation design and practice
8 Equipment marking
9 Calibration and test conditions
10 Uncertainty analysis
Annexes
A (informative) Materials for construction of primary
devices
B (informative) Bibliography
ZA (normative) Normative references to international
publications with their relevant European
publications
Figures
1 Principle of an electromagnetic flowmeter
2 Elements of an industrial electromagnetic
flowmeter
3 Exploded view of the primary device of an
electromagnetic flowmeter
4 Principle of pulsed d.c. (bipolar) system
5 Shallow taper entry and exit reducers
6 Cathodically protected pipelines; conductive links
across flange joints
7 Typical accuracy envelopes
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