16 OI/ATS430–EN Rev. H
| Aztec ATS430 | Turbidity sensor
The
Turbidity | Calibration Value
screen is displayed where
the calibration value can be modified by pressing the
key (below the
Edit
prompt).
When the required value is set, press the
key (below the
Next
prompt).
8. Once the value shown on screen matches the span value,
insert the sensor in the verification tool or solution and
press the
key (below the
Continue
prompt).
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):
9. If the calibration is successful the final screen displays the
new slope. Press the
key (below the
Exit
prompt) to
return to the main menu.
The 1-point calibration is now complete.
6.3.3 2-Point calibration
2 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 desired range.
1.
At the Calibrate level, press the
key (below the
Select
prompt):
The sensor selector menu is displayed:
2. Highlight the sensor to be calibrated and press the
key
(below the
Select
prompt).
The menu options for
S1: Turb TSS
are displayed:
3. Use the
/
keys to select
Turbidity Cal
and press the
key (below the
Select
prompt).
The
Turbidity
screen is displayed:
Turbidity
Next
Edit
Calibration Value
200.0 NTU
Calibrate
Abort
Continue
200.0 NTU
Start Cal?
Place in High Sol
Calibrate
Abort
200 NTU
56.00 mV
Settling-Please Wait
Menu
Calibrate
Exit
Select
Calibrate
S1:Turb TSS
Back
Select
Hold Outputs
S1:Turb TSS
Back
Select
Sensor Verification
Turbidity Cal
TSS Cal
Restore Defaults
Turbidity Cal
Next
Edit
Calibration Type
1-Point Cal
