PanaFlow™ LC User’s Manual
71
Chapter 3. Programming
6.
Enter the expected SOS value for your specific flow conditions in
[SOS Actual]
to fine-tune the meter
for all its channels.
7.
Click on
[Save CAL TO METER]
, the displayed SOS values shall be updated accordingly.
8.
Acceptance Criteria: ± 1 ft/s or 0.3 m/s.
3.7 Calibration
This menu is used to Calibrate the XMT1000 meter to another flow rate reference. Use steps as in section
“Log-in and Primary Pages” to navigate to the
Calibration page
.
Note:
Use either [Meter Factor] or [K-Table], do not use both at the same time.
1.
Scroll and highlight
[Meter Factor]
and press
[ENTER]
. Meter Factor is a single multiplier that is
applied to the Composite Velocity measurement. The default value is 1.0 and if a single factor would
suffice to bring the velocity range measured towards another flow rate reference, this option is used.
If a single factor is insufficient to cover the flow velocity range or viscosity range use K-Table option.
2.
If using
[Meter Factor]
, skip the following steps, otherwise Scroll and highlight
[Calibration Mode]
and
press
[ENTER]
. The meter supports Gate(Totalizer) or Frequency Output Calibration methods.
a.
If Gate(Totalizer) is chosen, connect the Gate inputs to E1 and E2 test points found on the bottom left
front side of the main PCB once the front cover is removed.
b.
If Frequency Output is used for calibration, set the
[Measurement Type]
, its corresponding
[Base Value], [Full Value],
and respective
[Base Frequency], [Full Frequency]
. Set a
[Test Frequency]
value to test the Frequency Output connection before starting Calibration.
3.
Scroll and highlight
[Calibration Type]
and press
[ENTER]
. The calibration type can be set to either
Velocity or Reynolds number. Depending on the selection the K-Table points will be updated to accept
Velocity or Reynolds number entries.
4.
Scroll and highlight
[Reset K-Table]
and press
[ENTER]
. Select the table to reset. You can choose to
reset all tables, or composite K-Table or any specific channel K-Table.
5.
Scroll and highlight
[K-Table Selection]
and press
[ENTER]
. The default option is Off. For “as found”
calibration leave the
[K-Table Selection]
as
OFF
. After completion of the “as found” calibration and
identifying the K-Factor values for each calibration point, select
[Composite]
table or
[Channel]
table
option.
6.
Scroll and highlight
[No. of Points]
and press
[ENTER]
. Enter the number of points to enter in the
K-Table.
7.
Scroll and highlight
[K-Table]
and press
[ENTER]
. Select each point and update the
[Velocity]
or
[Reynolds Number]
and its corresponding
[K-Factor]
. These points define a calibration curve for the
XMT1000.
Note:
[K-Table] Velocity or Reynolds number (Point #1 to Point #20) should be entered in ascending order for
the meter to function correctly.
Содержание Baker Hughes PanaFlow LC XMT1000
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