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FDT-25W Wall Mounter Ultrasonic Flowmeter
1
Wall Mounter Ultrasonic Flow Meter User Manual
Contents
1. Introduction ...........................................................................................................................................................3
1.1 Preface ........................................................................................................................................................3
1.2 Features ..................................................................................................................................................... 3
1.3 Flow measurement principle ...................................................................................................................3
1.4 Optional transducer .................................................................................................................................. 4
1.5 Typical application .................................................................................................................................... 4
1.6 Product Identification ................................................................................................................................5
1.7 Specifications .............................................................................................................................................5
2. Installation and Measurement ...........................................................................................................................6
2.1 Dimension .................................................................................................................................................. 6
2.2 Wiring ..........................................................................................................................................................7
2.3 Keypad ........................................................................................................................................................7
2.4 Menu Windows ..........................................................................................................................................8
2.5 Steps to Configure the Parameters ....................................................................................................... 9
2.6 Transducers Mounting Allocation .........................................................................................................10
2.7 Transducers Installation .........................................................................................................................11
2.8 Installation Checkup ...............................................................................................................................14
3. Menu Window Details .......................................................................................................................................15
3.1 Menu Windows Arrangement ................................................................................................................15
3.2 Menu Window Details ............................................................................................................................ 16
4. How To ................................................................................................................................................................ 25
4.1 How to judge if the instrument works properly ...................................................................................25
4.2 How to judge the liquid flowing direction ............................................................................................ 25
4.3 How to change between units systems .............................................................................................. 25
4.4 How to select a required flow rate unit ................................................................................................25
4.5 How to use the totalizer multiplier ........................................................................................................26
4.6 How to open or shut the totalizers ....................................................................................................... 26
4.7 How to reset the totalizers .....................................................................................................................26
4.8 How to restore the flow meter with default setups ............................................................................ 26
4.9 How to use the damper ..........................................................................................................................26
4.10 How to use the zero-cutoff function ...................................................................................................26
4.11 How to setup a zero point ....................................................................................................................27
4.12 How to get a scale factor for calibration ........................................................................................... 27
4.13 How to use the system locker ............................................................................................................ 27
4.14 How to use 4-20mA current loop output ........................................................................................... 27
4.15 How to use the Frequency Output .....................................................................................................28
4.16 How to use the Totalizer Pulse Output ..............................................................................................28
4.17 How to produce an alarm signal ........................................................................................................ 29
4.18 How to use the built-in Buzzer ............................................................................................................30