
CAL pH
Calibration process
A1023
Zero point
Slope
Last calibration
CAL setup
continue with <CAL>
06/05/2013 14:26:07
Sample (1-point)
Buffer temperature
Manual
Fig. 41: pH sensor calibration (CAL)
1.
Continue with
2.
Take a water sample at the in-line probe housing and, using
a suitable method (measuring strips, hand measuring instru‐
ment), measure the pH value of the sample
CAL pH
Change with <OK>
A1022
2) Determine pH value
pH value
continue with <CAL>
1) Take sample
Fig. 42: Instructions for determining the pH value using the
[Sample] method
3.
Press
4.
Use the arrow keys to enter the pH value you have deter‐
mined in the controller
5.
Press
6.
Accept the pH value by pressing
ð
All the values of the calibration result are shown in the
display.
Incorrect calibration
An error message appears if the result of the cali‐
bration lies outside the specified tolerance limits. In
this case, the current calibration is not applied.
Check the prerequisites for calibration and clear
the error. Then repeat calibration.
7.
Transfer the result of the calibration into the controller
memory by pressing
ð
The controller displays the continuous display again and
operates with the results of the calibration.
Calibrating the controller diaLog DACb
81
Summary of Contents for DULCOTROL DWCa
Page 139: ...139 ...