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Connecting
5.3 Zero Flow Adjust Menu
FUP1010 IP67 Portable
64
Operating Instructions, 03/2012, A5E02951522-02
This completes the ReversaMatic procedure. The system’s zero accuracy will be very close
to that obtainable using the Actual Zero method, providing flow remained constant during this
procedure.
CAUTION
A caution on the use of upper and lower flow limits (used to prevent flow mis-registration)
prior to using the Reversal Zero technique (ReversaMatic): If the negative flow rate that the
flow meter reads in the step during which the sensors are reversed is more negative than
the lower flow limit, the meter will re-register positive and the Reversal Zero cycle will thus
be corrupted.
Therefore, postpone the installation of upper and lower flow limits until the reversal zero
procedure is executed successfully. For pipes that combine large diameters with very high
flow velocities, it may be necessary to move the upper and lower flow limits out of the way
until the reversal zero is completed. Moreover, pipes of this size frequently have excellent
intrinsic zero performance and may not even need zeroing.
ZeroMatic (optional function)
Note
ZeroMatic is used in the Reflect Mode only. Invoking ZeroMatic clears any existing fixed zero
offset.
Use this menu cell to select the ZeroMatic option. If conditions permit the use of the Auto
Zero function then the ZeroMatic option can be used as well.
To select and enable the ZeroMatic option:
1.
In the [Install Sensor] menu, press <Up Arrow> to scroll to the [Zero Flow Adjust] menu
cell.
2.
To access the [Zero Flow Adjust] option list press <Right Arrow>.
Note
If ZeroMatic is not running, the [Actual Zero] menu item will be displayed next to the [Zero
Flow Adjust] menu cell.
3.
Select the [ZeroMatic] menu cell by pressing <Up/Down Arrow> then press <ENTER>.
When the Initial Makeup of ZeroMatic is complete the screen will return to the [Install Sensor]
menu and automatically highlight [Operation Adjust], which is the next menu cell.
Summary of Contents for 7ME3510
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Page 185: ...1012TP S 8 OUTLINE DIMENSIONS REFLECT MODE DIRECT MODE 1012TP S SERIES 21614 C MOUNTING TRACK ...
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Page 195: ...DUAL HEAD CONFIGURATION 21614 C IN LINE CONFIGURATION FLOW ...
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