Operation & Installation Manual V12-V6 2010-05-31.doc
31/05/2010 3/60
Table of Content:
Disclaimer (liability) ............................................................................................................... 2
Limited Warranty................................................................................................................... 2
Table of Content:................................................................................................................... 3
1General instructions....................................................................................................... 5
1.1 Intended use.......................................................................................................... 5
1.2 Certification and applicable standards.................................................................... 5
1.3 Information concerning the documentation............................................................. 6
1.3.1. Important information regarding safety........................................................... 6
1.4 Display conventions............................................................................................... 6
1.5 Safety instructions.................................................................................................. 7
1.1.1. Transportation and handling........................................................................... 7
1.5.1. Explosion safety instructions.......................................................................... 7
2Instrument description ................................................................................................... 8
2.1 Measuring principle................................................................................................ 8
2.1.1. Transit time measuring principle..................................................................... 8
2.1.2. Swirl compensation........................................................................................ 9
2.1.3. Multipath ultrasonic flow meters ....................................................................10
2.2 General description...............................................................................................11
2.3 Detailed description ..............................................................................................12
2.3.1. Ultrasonic transducer ....................................................................................12
2.3.2. ALTOSONIC V12 Meter body .......................................................................13
2.3.3. ALTOSONIC V12 signal converter................................................................14
2.3.4. Signal converter enclosure............................................................................14
2.3.5. Main Board Assembly ...................................................................................16
2.4 Software................................................................................................................16
2.4.1. Configuration file. ..........................................................................................16
2.4.2. Start up .........................................................................................................17
2.4.3. The basic transit time measuring process. ....................................................17
2.4.4. The flow calculation module..........................................................................18
2.4.5. The signal output module..............................................................................19
2.4.6. Path substitution............................................................................................21
2.4.7. Write protect lock...........................................................................................21
2.4.8. Sealing requirements for fiscal Use...............................................................21
3Before installation.........................................................................................................22
3.1 Inspection received products.................................................................................22
3.1.1. Packing and transportation............................................................................22
3.1.2. Scope of delivery...........................................................................................22
3.1.3. Name plate....................................................................................................22
3.1.4. Visual check..................................................................................................22
3.2 Storage.................................................................................................................22
3.3 Environmental Requirements................................................................................23
3.4 Installation requirements.......................................................................................24
3.4.1. Pipe diameters and lengths...........................................................................24
3.4.2. Flow conditioners. .........................................................................................24
3.4.3. Control valves ...............................................................................................24
4Installation of the ultrasonic gas flow meter ..................................................................25
5Electrical Installation.....................................................................................................26
5.1 Safety instructions.................................................................................................26
5.2 Electronics enclosure and cable entries................................................................26
5.3 Electrical connections ...........................................................................................26
5.3.1. Power connection..........................................................................................26
5.3.2. Digital I/O connections. .................................................................................27
