TECHNICAL DESCRIPTION ULTRAFLOW
®
54 and 34
5512-385 GB/02.2014/Rev. H1
4
7.8.4
Cable connections ......................................................................................................................... 32
7.8.5
Change of supply unit .................................................................................................................... 32
7.9
Example of connecting ULTRAFLOW
®
and MULTICAL
®
......................................................................... 33
7.10
Example of connecting Pulse Transmitter ........................................................................................... 33
7.11
Calculator with two flow sensors ........................................................................................................ 34
7.12
Operational check ............................................................................................................................. 34
8
Functional description .................................................................................................. 35
8.1
Ultrasound combined with piezo ceramics ......................................................................................... 35
8.2
Principles .......................................................................................................................................... 35
8.3
Transient time method ....................................................................................................................... 35
8.4
Signal paths ...................................................................................................................................... 37
8.5
Measuring sequences ........................................................................................................................ 37
8.6
Function ............................................................................................................................................ 38
8.7
Guidelines for dimensioning ULTRAFLOW
®
......................................................................................... 40
8.8
Pulse output of ULTRAFLOW
®
............................................................................................................. 41
8.9
Pulse output of Pulse Transmitter and Pulse Divider ........................................................................... 42
8.9.1
Galvanically separated output module (Y=2) .................................................................................. 42
8.9.2
Galvanically separated output module (Y=3) .................................................................................. 43
8.10
Pulse emission .................................................................................................................................. 44
8.11
Accuracy............................................................................................................................................ 44
8.12
Power consumption ........................................................................................................................... 45
8.13
Interface connector/serial data .......................................................................................................... 45
8.14
Test mode ......................................................................................................................................... 46
8.15
Externally controlled start/stop .......................................................................................................... 46
8.16
Calibration using serial data and externally controlled start/stop ...................................................... 47
9
Calibrating ULTRAFLOW
®
.............................................................................................. 48
9.1
Installation ........................................................................................................................................ 48
9.2
Technical data for ULTRAFLOW
......................................................................................................... 48
9.3
Connection ........................................................................................................................................ 49
9.4
Start-up ............................................................................................................................................. 50
9.5
Measuring flow .................................................................................................................................. 50
9.6
Evacuation ........................................................................................................................................ 50
9.7
Suggested test points ........................................................................................................................ 51
9.8
Sealing .............................................................................................................................................. 52
9.9
Optimization in connection with calibration ....................................................................................... 53
9.10
PULSE TESTER .................................................................................................................................... 54
9.10.1
Technical data for PULSE TESTER ................................................................................................ 54
9.10.2
Hold function ............................................................................................................................. 56
9.10.3
Push-button functions ............................................................................................................... 56
9.10.4
Using the PULSE TESTER ............................................................................................................ 56
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