Siemens SITRANS FUS1020, Manual, Page: 7 / 251

1020NFM-1D Table Of Contents
iii
Sect./Page
3.6.5 Using 1012T Mounting Tracks ........................................................................... 3-35
Installing a 1012T Mounting Track in Reflect Mode ....................................... 3-35
Installing a 1012T Mounting Track in Direct Mode ......................................... 3-37
Section 4
4.
Operating System 1020 With Flow Tubes ........................................................... 4-1
4.1 General Installation Guidelines ........................................................................... 4-1
4.1.1 Liquid Applicability And Compatibility .................................................................. 4-1
4.1.2 Selecting The Correct Flow Tube ....................................................................... 4-2
4.1.3 Flow Tube Mounting Location ............................................................................. 4-2
4.1.4 Flow Data Scatter And Damping .......................................................................... 4-3
4.2 Considerations For Critical Applications ............................................................ 4-3
To Obtain Technical Information ...................................................................... 4-3
4.3 How To Set Up System 1020 for Flow Tube Operation ..................................... 4-4
4.3.1 Overview ................................................................................................................ 4-4
4.3.2 Setup Procedure ................................................................................................... 4-4
4.4 Specifications - CPVC Flow Tube ........................................................................ 4-9
4.5 Specifications - KYNAR PVDF Flow Tube .......................................................... 4-9
4.6 Specifications - TEFLON PFA Flow Tube ......................................................... 4-10
4.7 Specifications - 316 Stainless Steel Flow Tube ............................................... 4-10
Additional Installation Notes ........................................................................... 4-11
Section 5
5. System 1020 Application Notes ............................................................................ 5-1
5.1 To Obtain Technical Assistance .......................................................................... 5-1
5.2 Considerations For Critical Applications ............................................................ 5-1
5.3 Pipe Considerations For Critical Applications ................................................... 5-2
5.3.1 Pipe Dimensions ................................................................................................... 5-2
5.3.2 Picking The Appropriate Transducer .................................................................. 5-2
5.3.3 Flow Velocity Range .............................................................................................. 5-2
5.3.4 Overview of System Performance ...................................................................... 5-2
5.3.5 Accuracy ................................................................................................................. 5-3
5.3.6 Repeatability .......................................................................................................... 5-3
5.3.7 Data Stability .......................................................................................................... 5-3
Data Scatter .................................................................................................... 5-3
Data Drift ........................................................................................................ 5-3
5.4 Flow Conditions ..................................................................................................... 5-4
5.4.1 Low Flow Rates ..................................................................................................... 5-4
5.4.2 Flow Data Scatter and Damping .......................................................................... 5-4
System 1020 Damping and Slewing Controls ................................................ 5-4
Time Average .................................................................................................. 5-4
SmartSlew ...................................................................................................... 5-4
5.4.3 Notes On Liquid Conditions ................................................................................ 5-5
5.4.4 Erroneous Liquid Parameter Specification ........................................................ 5-5
5.4.5 Liquid Compatibility .............................................................................................. 5-5
5.4.6 Aeration .................................................................................................................. 5-5
5.4.7 Slurries ................................................................................................................... 5-6
5.4.8 Two-Phase Liquids ................................................................................................ 5-6
5.4.9 Viscous Liquids ..................................................................................................... 5-6
5.4.10 Temperature and Pressure Ratings .................................................................... 5-6