Emerson Process Management 3422 User Manual
Reference, Installation, and Operations Manual
Section 5: Startup and meter configuration
3-9000-743 Rev S
June 2013
Set calibration parameters
165
Dry calibration
The meter uses a third-order polynomial for dry calibration as shown in
. Click the
Advanced View
button to display the zero flow calibration polynomial coefficients. Regardless of
what flow calibration method is selected, the zero flow calibration polynomial coefficients will
be applied first.
be applied first.
The meter provides separate dry calibration coefficients for each flow direction as listed in the
table below.
table below.
Table 5-22 Data Points for Dry Calibration
Daniel MeterLink
Display Name
Display Name
Data Points, Options and Guidelines
Forward A0
Data points affected:
•
FwdA0
Options:
•
Enter a value (m/s or ft/s) within the range [-1,1 m/s].
Guidelines:
•
This value should only be modified under direction of Daniel personnel.
•
For additional guidelines, see
and Daniel MeterLink
online help.
Forward A1
Data points affected:
•
FwdA1
Options:
•
Enter a value (dimensionless) within the range [0.95,1.05].
Guidelines:
•
This value should only be modified under direction of Daniel personnel.
•
For additional guidelines, see
and Daniel MeterLink online help.
Forward A2
Data points affected:
•
FwdA2
Options:
•
Enter a value (s/m or s/ft) within the range [-0.1,0.1 s/m].
Guidelines:
•
This value should only be modified under direction of Daniel personnel.
•
For additional guidelines, see
and Daniel MeterLink online help.
Modification of dry calibration parameters is not recommended. The dry calibration
parameters should not be modified unless directed by Daniel personnel.
parameters should not be modified unless directed by Daniel personnel.