Maintenance and Troubleshooting Manual
Section 3: Meter maintenance
3-9000-764 Rev F
December 2017
Manually modifying the Calibration Parameters
25
Update Chord parameters page
Enter the chord values for the removed components, the components added and the new Delay
time and Delta time on this page. After the values are entered, click the
Write to Meter
button
to apply the changes.
Figure 3-14 Transducer Swap Out Wizard - Select Components Page
Calculated “L” value
New chord parameters “L” for Liquid Ultrasonic meters will be calculated by the equation:
Equation 3-1 Calculated “L” value
Daniel MeterLink™ may not be able to use the full precision of the values provided with the
replacement components but the resolution of the New Chord Parameter is equivalent to the
resolution to which it will be stored in the meter.
CurrentL
RemovedHou
g
1
sin
RemovedHou
g
2
sin
)
AddedHou
g
1
sin
AddedHou
g
2
sin
)
+
(
–
+
(
+
