50 A-96.250.111 / 211019
AMI Trides
Maintenance
6.7. Calibration of Trides Sensor
The following description of the calibration procedure assumes,
that the AMI Trides is equipped with a pH electrode. In case your
AMI Trides has no pH electrode, skip the pH calibration.
6.7.1 Process pH
The process calibration is based on a comparative measurement of
the on-line instrument with a calibrated comparative electrode. Per-
form a valid manual measurement with the calibrated comparative
electrode. Then compare the measuring value with the on-line in-
strument and if necessary, enter the correct measuring value in the
menu <Maintenance/Calibration/Process pH> of the on-line instru-
ment.
The deviation of the measuring values is shown as offset in mV.
Select [Save] and press [Enter] to save the correct measuring val-
ue.
Example of
Process pH
Calibration
1 Navigate to menu
<Maintenance>/<Calibration>.
2 Press [Enter]
3 Select Process pH
The following values are displayed:
Current value
Offset
Process value
Current value and Process value are
equal.
4 Press [Enter].
3.1
Calibration
Simulation
Maintenance
Set Time 01.01.05 16:30:00
Calibration
3.1.1
Standard pH
Calibration
Zero Trides
Process pH
Process Trides
Process pH
Slope 0.00 mV
Save <Enter>
Process Value 7.78 pH
3.1.1.1
Current Value 7.78 pH
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