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March 2004
Entering the Meter
Correction (K) Factor
2-18
With the K Factor submenu, you can calibrate or adjust the UTX878
readings to another flow reference. While following the programming
instructions, refer to Figure A-1 on page A-1 of Appendix A, Menu
Maps.To enter K Factor data:
Note: If you are in the PROG menu, proceed directly to Step 4. If you
scroll to a different option, press [ENT] twice to select that
option (once to enter and again to confirm the selection).
1. Press [ESC]. The UTX878 enters the User Program.
2. Press the [ ] key until PROG is bracketed in the top left corner
and press [ENT].
3. Use the [ ] and [ ] keys to scroll to the desired Channel and
press [ENT].
4. Scroll to the K Factor submenu and press [ENT].
5. The screen shows three options: Off, Single and Table. Scroll to
the desired option, and press [ENT].
6. The menu varies, depending on your selection in Step 5.
•
If you select Off, no further choices are available.
•
If you select Single, the UTX878 displays the K Factor. To change
the value, press [ENT]. Use the arrow keys to change the value and
press [ENT].
IMPORTANT: If you have enabled the Reynolds Correction factor
in the Fluid option, the K factor should be set to 1.00.
Otherwise, the typical factor is between 0.5 and 2.00.
•
If you select Table, the screen displays three options: Units, Rows
Used and Edit Table.
a. If you scroll to Units and press [ENT], the screen displays the
selected measurement units (either metric or English). Press
[ESC] or [ENT] to return to the previous screen.
b. If you select Rows Used, the program asks for the number of
rows you wish to use. Enter the desired number (from 2 to 20)
and press [ENT].
c. If you select Edit Table, the table opens with a series of rows.
Scroll to the desired row, and press [ENT].
d. For each row, the screen displays the X (velocity) value and the
K Factor. If you wish to change either value, scroll to the value
and press [ENT]. Use the arrow keys to change the value and
press [ENT].
e. Repeat steps c and d until you have programmed all available
data (from 2 to 20 rows).
Press [ESC] until you return to the PROG menu, or continue pressing
[ESC] until the display screen reappears.
Programming Site Data
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