Emerson Daniel 3415 Operation Manual page 56

Configurations
Equation 5-4
V
WetCal
V
SryCal
C
0
C
1
C
2
C
3
Third-order polynomial calibration
If selecting "Polynomial Coefficients", the "C" calibration coefficients are applied.
Figure 5-4:
Three coefficients are specified for each flow direction from the Daniel MeterLink
Calibration|Meter Factors page as shown in the table below:
Table 5-4:
Daniel Meterlink
Display Name
Forward C0
44
wet-calibration gas flow velocity (m/s) (AvgFlow)
dry-calibration gas flow velocity (m/s) (ADryCalVel)
th
wet-calibration 0 order coefficient (m/s) (FwdC0 or RevC0)
st
wet-calibration 1 order coefficient (dimensionless) (FwdC1 or RevC1)
nd
wet-calibration 2 order coefficient (s/m) (FwdC2 or RevC2)
rd
wet-calibration 3 order coefficient (s
Calibration - Meter Factor: Polynomial
Data points for Polynomial wet calibration
™
Data points, options and guidelines
Data points affected
• FwdC
0 Options:
• Enter a value (m/s or ft/s) within the range [-1, 1 m/s].
2 2
/m ) (FwdC3 or RevC3)
3410 Series Gas Ultrasonic Flow meters