2-Point Calibration - ABB Aztec ATS430 Operating Instructions Manual

5. Place the sensor in the sample when prompted and press
the key (below the Continue prompt) to start the
calibration:
Calibrate
Start Cal?
Place in High Sol
1.000 mg/l
Abort
The calibration progress window is displayed. When
acquisition is complete a screen displays the calibration
coefficient. Press the
return to the main menu.
The calibration is now complete.

6.4.3 2-Point calibration

Two solutions are used for a 2-point calibration. This calibration
is used when more accuracy is needed over a given range, using
calibration solutions at either end of the required range.
1. At the Calibration Type screen, use the
select 2-Point Cal and press the
prompt):
Calibration Type
1-Point Cal
2-Point Cal
Sample Collection
Collection Complete
Manual Coefficient
Cancel
2. On the next screen, press the
prompt).
3. On the Low Solution Value screen press the
the Edit prompt) to enter the value of the lower calibration
point. Press the key (below the Next prompt) once the
value is entered.
Suspended Solids
Low Solution Value
0.000 mg/l
Next
Continue
key (below the Exit prompt) to
/
key (below the OK
OK
key (below the Next
Edit
4. On the 2nd Point Value screen press the
Edit prompt) to enter the value of the higher calibration
point. Press the
value is entered.
Suspended Solids
High Solution Value
Next
5. Place the sensor in the lower calibration point and press
the key (below the Continue prompt).
Calibrate
Start Cal?
keys to
Abort
The calibration process screen is displayed – the calibration
can be cancelled at any time during the process by pressing
the key (below the Abort prompt):
Calibrate
PV 0.000 mg/l
PV 0.000 NTU
Settling-Please Wait
Abort
6. On completion, remove the sensor from the first calibration
point, clean and insert the sensor into the second
key (below
calibration point. Press the
prompt) to start data acquisition.
Calibrate
Start Cal?
Abort
7. If the calibration fails a message is displayed indicating the
reason for failure. If the calibration is successful the next
screen displays the new slope. Press the
Exit prompt) to return to the main menu.
The 2-point calibration is now complete.
key (below the Next prompt) once the
1.000 mg/l
Edit
Place in Low Sol
0.000 mg/l
Continue
key (below the Continue
Place in High Sol
1.000 mg/l
Continue
Aztec ATS430 | Turbidity sensor | OI/ATS430–EN Rev. H 19
key (below the
key (below the