Aztec ATS430 | Turbidity sensor
|
OI/ATS430–EN Rev. H 15
6.3.2 1-Point calibration
For the 1-point calibration only a span value is used. The span
value can be provided by a verification puck, a formazin solution
or an AMCO standard.
1.
At the Calibrate level, press the
key (below the
Select
prompt):
The sensor selector menu is displayed:
Highlight the sensor to be calibrated (for example
S1:Turbidity TSS
) and press the
key (below the
Select
prompt).
2. The menu options for
S1:Turbidity TSS
are displayed:
3. Use the
/
keys to select
Turbidity Cal
and press
the
key (below the
Select
prompt).
The
Turbidity Cal
screen is displayed:
4. Press the
key (below the
Edit
prompt).
The
Calibration Type
screen is displayed:
5. Use the
/
keys to select
1-Point Cal
and press the
key (below the
OK
prompt).
Press the
key (below the
Next
prompt).
The
Turbidity / Offset
screen is displayed:
For most cases a zero offset is suitable. However, in
situations where an offset was previously determined
during a 2-point calibration, it is possible to retain the
previously measured offset during the 1-point calibration.
6. To select the required offset press the
key (below the
Edit
prompt).
The
Offset / Remove Offset | Retain Offset
screen is
displayed:
7.
Use the
/
keys to select
Retain Offset
and press
the
key (below the
OK
prompt) to confirm the selection
and use the existing offset, or select Remove Offset to
remove the offset (an offset of 0 NTU is assumed).
Menu
Calibrate
Exit
Select
Calibrate
S1:Turbidity TSS
Back
Select
Hold Outputs
S1:Turb TSS
Sensor Verification
Back
Select
Turbidity Cal
TSS Cal
Restore Defaults
Turbidity Cal
Next
Edit
Calibration Type
1-Point Cal
Calibration Type
1-Point Cal
Cancel
OK
2-Point Cal
Turbidity
Next
Edit
Offset
Remove Offset
Offset
Cancel
OK
Remove Offset
Retain Offset
