ADS420 | DISSOLVED OXYGEN SENSOR | OI/ADS420-EN REV. B 9
9 If 1-Point Cal is displayed, go to step 12.
If 1-Point Cal is not displayed, press the
key
(below the Edit prompt).
The Calibration Type selection page is displayed:
Calibratio n Ty pe
1-Point Cal
2-Point Cal
Cancel
OK
10 Use the / keys to select 1-Point Cal and press the
key (below the OK prompt).
The Calibration Type page is displayed:
S1: DO
Next
Edit
Calibration Ty p e
1-Point Cal
11 Press the key below the Next prompt).
The Calibrate/Start Span Cal? page is displayed:
Calibrate
Start Span Cal?
Place in 100 % Sat
Abort
Continue
12 Press the key (below the Continue prompt).
The Calibrate page is displayed:
Calibrate
PV 98.26 %
Tmp 25.22 °C
Setting-Please Wait
Abort
13 When span calibration is complete, a results page is
displayed:
Calibrate
PV 98.98 %
Tmp 24.90 °C
Offset 0.045
Slope 1.054
Exit
In the event of a calibration failure, the message Calibration
Failed is displayed with an indication of the reason for
failure, for example ‘Result Out Of Bounds’.
14 Press the
key (below the Exit prompt).
The Calibrate page is displayed:
Calibrate
S1: DO
Back
Select
15 Press the key (below the Back prompt).
The Calibrate page is displayed:
Calibrate
Menu
Exit Select
16 Press the key (below the Exit prompt) to return to the
Operator page.
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