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Table of Contents
1. Introduction............................................................................................................... 5
1.1 Operating Principle .......................................................................................................5
1.2 Specifications ................................................................................................................6
2. Installation................................................................................................................. 8
2.1 Mechanical Installation.................................................................................................8
2.1.1 Installation Orientation.................................................................................................8
2.1.2 Piping Construction.......................................................................................................9
2.1.3 Mechanical Support......................................................................................................9
2.1.4 Filtration / Straining....................................................................................................10
2.1.5 Pipe Connections.........................................................................................................10
2.2 Electrical Installation ..................................................................................................11
2.2.1 Wiring .........................................................................................................................11
2.2.2 Hall Effect Outputs......................................................................................................11
2.2.3 Reed Switch Outputs...................................................................................................12
2.2.4 Quadrature Pulse Outputs ..........................................................................................13
2.3 Making Electrical Connections....................................................................................13
2.4 Wiring Diagrams.........................................................................................................14
2.4.1 Standard Pulse Output Board .....................................................................................14
2.4.2 Reed Only Pulse Output Board....................................................................................16
2.4.3 Reed Only Outputs as Simple Apparatus.....................................................................17
2.4.4 Hall Only Output .........................................................................................................18
2.4.5 Quadrature Pulse Output............................................................................................19
2.5 Meter Calibration Factor (K-Factor, Scale Factor)
.......................................................19
2.6 Integral Instruments ...................................................................................................19
2.7 Installations in Hazardous Areas.................................................................................20
2.7.1 ATEX/IECEx Flameproof Flowmeters (Ex db)...............................................................20
2.7.2 Conforming Standards ................................................................................................21
2.7.3 Temperature Limits for Flameproof Flowmeters ........................................................22
2.7.4 Special Conditions of Use ............................................................................................22
2.7.5 Earthing of Flameproof Flowmeters ...........................................................................23
2.7.6 Intrinsically Safe Flowmeters (EX i) .............................................................................24
2.8 Commissioning............................................................................................................25
2.9 Fault Finding ...............................................................................................................26
2.10 Troubleshooting Guide................................................................................................27
3. Maintenance and Repairs......................................................................................... 28
3.1 Parts Identification......................................................................................................29
3.2 Flowmeter Disassembly ..............................................................................................31
3.3 Flowmeter Inspection..................................................................................................31
3.4 Re-assembly of Flowmeter..........................................................................................32
4. EC Declaration of Conformity ................................................................................... 33
