9 Measurement
9.3 Start of the measurement FLUXUS G809
2020-06-25, UMFLUXUS_G809V2-2EN
102
Input of the measuring point number
• Enter the number of the measuring point.
• Press ENTER.
For the activation of text input, see Special Funct.\SYSTEM settings\Dialogs/Menus\Meas.Point No.
Input of the sound path number
A value for the number of sound paths corresponding to the connected transducers and the entered parameters is recom-
mended.
• Change the value, if necessary.
• Press ENTER.
Profile correction
If With disturbance is selected in the menu item Special Funct.\SYSTEM settings\
Measuring\ProfileCorr 2.0, it has to be checked whether the measurement arrangement is appropriate.
If the number of sound paths is odd and more than one measuring channel is activated, the following display appears:
• Select no if there are 2 transducer pairs in X arrangement or displaced X arrangement at the measuring point
(appropriate measurement arrangement). The profile correction 2.0 at non ideal inflow conditions will be used.
Transverse flow effects will be compensated.
• Select yes if there is only one transducer pair at the measuring point (inappropriate measurement arrangement). The
profile correction 2.0 at non ideal inflow conditions cannot be used. The profile correction 2.0 at ideal inflow conditions
will be used. Transverse flow effects will not be compensated.
• Press ENTER.
If yes is selected, the following menu messages are displayed:
Adjustment of the transducer distance
The recommended transducer distance will be displayed.
• Mount the transducers on the pipe adjusting the transducer distance.
• Press ENTER.
A - measuring channel
Reflec – reflection arrangement
Diagon – diagonal arrangement
The transducer distance is measured between the inner edges of the transducers.
In case of a measurement in diagonal mode on very small pipes, a negative transducer distance is possible.
Measuring\Channel\Meas.Point No.
Measuring\Channel\...\Sound Path
Measuring\...\Transd. Distance
A: Alone at measp
>NO< yes
Disturb correct.
not applicable!
I assume ideal
inlet conditions
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