ABB ADS420 Operating Instruction page 8

8
...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
(below the Edit prompt).
The Calibration Type selection page is displayed:
Calibration Type
1-Point Cal
2-Point Cal
Cancel
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
Calibration Type
1-Point Cal
Next
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
A D S 4 2 0 | D I S S O LV E D OX YG E N P R O B E | O I/A D S 4 2 0 - E N R E V. A
key
OK
Edit
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
15 Press the key (below the Back prompt).
The Calibrate page is displayed:
Menu
Calibrate
Exit
16 Press the key (below the Exit prompt) to return to the
Operator page.
Select
Select