ABB ADS420, Operating Instruction

Page: 8 / 16

8
A DS 4 20
| D I SS O LV ED OX YG EN P R O B E | O I/A DS 4 2 0 - EN R E V. A
…3 Calibration
…1-Point calibration (water-saturated air)
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:
Calibration Type
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 Type
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 .