Endress+Hauser Turbimax CUS51D - Page 32

Operation Turbimax CUS51D
32 Endress+Hauser
the standard method as it produces robust calibration curves and good measurement
results with minimum calibration effort.
1. Select the two calibration points at the limits of the expected measuring range.
2. Do not select any calibration points outside the specified measuring range for the
application.
Three-point calibration
0
0 2
4
6 8
g/l
signal
a
b
c
c
c
A0050664
 31 Three-point calibration
a Factory calibration curve
b New calibration curve
c Calibration points
With a three-point calibration, a new calibration curve is plotted through all 3 calibration
points, resulting in a high level of accuracy in the calibrated range.
1. Within the measuring range, select calibration points that are as far apart as
possible.
2. Do not select any calibration points outside the specified measuring range for the
application.
If the calibration points selected are inappropriate, the curve profile will be distorted
to an extent that could result in implausible measured values.
Five-point calibration
0
0 2
4
6 8
g/l
signal
a
b
c
Δ1
Δ2
Δ3
Δ4
Δ5
c
c
c
c
A0050665
 32 Five-point calibration
a Factory calibration curve
b New calibration curve
c Calibration points