Operating - ABB Nitrate 8236 Instruction Manual

...6 PROGRAMMING
6.2.2 Operating Page 2
To gain access to the Calibration Page (Operating Page 2), operate the
Enable Auto Cals Yes
Enter
Cal
MANUAL CAL SEQUENCE
Cal
Ion Std 1
or
Enter
Cal
Ion Std 2
or
Enter
Cal
Initiate Cal
No
Enter
Yes
Calibrating Std 1
Electrode mV
14
Enable Automatic Calibrations
Select 'Yes' to enable or 'No' to disable the automatic calibrations.
or
No
Store.
Advance to next parameter.
Page header.
Advance to next parameter.
– – –
•
Ion Standard 1
Set the value of the 'Low' standard solution (Std 1).
Store.
Advance to next parameter.
Ion Standard 2
Set the value of the 'High' standard solution (Std 2). The concentrations of the two
– – – –
•
standard solutions must differ from each other by a factor of at least four.
Store.
Advance to next parameter.
Initiate Calibration (manual)
Select 'Yes' to carry out a manual calibration or 'No' to return to the top of the page.
Yes
or Enter must be pressed to initiate a manual calibration.
No
Calibrating Standard 1
The upper display shows the nitrate concentration value. The display remains until
a stable output is obtained from the probe.
Toggle between the two displays.
Electrode Millivolts
– – –
•
Note. Pressing
Cal
normal operation.
When a stable probe output is detected the display automatically advances to the
next parameter.
Continued on next page.
switch.
Cal
during a calibration aborts the sequence and returns to
Cal