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ČSN EN ISO 20456 (257740)
Measurement of fluid flow in closed conduits - Guidance for the use of electromagnetic flowmeters for conductive liquids
Translate name
STANDARD published on 1.4.2020
The information about the standard:
Designation standards: ČSN EN ISO 20456
Classification mark: 257740
Catalog number: 509201
Publication date standards: 1.4.2020
SKU: NS-989708
The number of pages: 44
Approximate weight : 132 g (0.29 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN ISO 20456 (257740):
This document applies to industrial electromagnetic flowmeters used for the measurement of flowrate of a conductive liquid in a closed conduit running full. It covers flowmeter types utilizing both alternating current (AC) and pulsed direct current (DC) circuits to drive the field coils and meters running from a mains power supply and those operating from batteries or other sources of power.
This document is not applicable to insertion-type flowmeters or electromagnetic flowmeters designed to work in open channels or pipes running partially full, nor does it apply to the measurement of magnetically permeable slurries or liquid metal applications.
This document does not specify safety requirements in relation to hazardous environmental usage of the flowmeter
Preview of the standard ČSN EN ISO 20456 (257740)
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