Calibrating Amperometric Sensors - ProMinent DULCOMETER Assembly And Operating Instructions Manual

Calibration
8. Import the result of the calibration
into the controller memory by
pressing the
ð The controller displays the con‐
tinuous display again and oper‐
ates with the results of the cali‐
bration.
Incorrect calibration
Should the result of the cal‐
ibration lie outside the
specified tolerance limits,
an error message appears.
In this case the current cal‐
ibration will not be applied.
Check the prerequisites for
the calibration and clear
the error. Then repeat the
calibration
84
key
Calibrating Amperometric
9.4
Sensors
Calibrating Amperometric Sen‐
sors
The process for calibrating ampero‐
metric sensors is identical with all
amperometric measured variables.
The process for calibrating ampero‐
metric measured variables is
described throughout based on the
measured variable chlorine [Cl]. All
other measured variables require the
same process as the measured vari‐
able chlorine [Cl].
The following measured variables can
be calibrated using the process
described here:
Chlorine
–
Chlorine dioxide
–
Bromine
–
Chlorite
–
Ozone
–
Peracetic acid (PES)
–
H O
–
2 2
Calibration combining pH and
chlorine
It is imperative that you always cali‐
brate the pH measurement first before
the chlorine measurement. The
chlorine measurement always needs
to be calibrated any further time the
pH measurement is calibrated. Other‐
wise the chlorine measurement will be
inaccurate.