BSI 16/30323541 DC:2016 Edition
$13.70
BS ISO 20456. Measurement of fluid flow in closed conduits. Guidance for the use of electromagnetic flowmeters for conductive liquids
| Published By | Publication Date | Number of Pages |
| BSI | 2016 | 38 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | Foreword |
| 7 | Introduction |
| 9 | 1 Scope 2 Normative references |
| 10 | 3 Terms and definitions |
| 12 | 4 Symbols and abbreviated terms |
| 13 | 5 Theory and basic equations 6 Construction and principle of operation 6.1 General |
| 15 | 6.2 Sensor |
| 16 | 6.3 Transmitter |
| 17 | 6.3.1 Alternating magnetic field in the measuring system |
| 18 | 6.4 Flowmeter/Transmitter output 7 Equipment marking 7.1 Recommended data 7.1.1 Sensor |
| 19 | 7.1.2 Transmitter 8 Installation design and practice 8.1 Sensor 8.1.1 Sizing |
| 20 | 8.1.2 Mounting conditions |
| 21 | 8.1.3 Potential equalization – General requirements |
| 22 | 8.1.4 Electrical connections 8.1.5 Sensor mounting |
| 23 | 8.1.6 Installation dimensions for flanged connections |
| 24 | 8.2 Transmitter 8.2.1 Location 8.2.2 Electrical installation 8.3 Operational considerations 8.3.1 General |
| 25 | 8.3.2 Effect of the liquid conductivity 8.3.3 Reynolds number effect 8.3.4 Velocity profile effect 9 Flowmeter calibration, validation, and verification 9.1 Flowmeter calibration 9.2 Flowmeter verification (in-situ electronic verification) |
| 26 | 10 Evaluation of flowmeter performance 10.1 General 10.2 Applications within the scope of other standards 11 Uncertainty analysis |
| 27 | Annex A (informative) Materials for construction of sensors |
| 29 | Annex B (informative) Practical considerations for measuring system with AC and DC excitation |
| 30 | Annex C (informative) Cathodic protection |
| 32 | Annex D (informative) Conversion of nominal diameters from metric to US units |
| 33 | Annex E (informative) Manufacturers accuracy specifications |
| 36 | Bibliography |
