Tss Manual Calibration - ABB AWT420 Operating Instruction

78 AW T4 2 0 | U N I V E R S A L 4 - W I R E , D U A L- I N P U T T R A N S M I T T E R | O I/A W T4 2 0 - E N R E V. B
...15 Calibration procedures
...TSS calibration
...2-Point calibration
7 Ensure the sensor is inserted in the solution and press
the key to start the verification routine.
The calibration process screen is displayed:
Calibrate
PV 0.000 mg/l
mV 0.000 NTU
Settling - Please Wait
Abort
• If the calibration fails the result screen is displayed with
the reason for failure.
• If the calibration passes the procedure moves
automatically to the high buffer calibration.
Calibrate
Start Cal ?
Place in High Sol
1.000 mg/l
Abort
8 Ensure the sensor is inserted in the solution and press the
key to start the verification routine.
The calibration process screen is displayed:
Calibrate
PV 1.000 mg/l
PV 200 NTU
Settling - Please Wait
Abort
On completion the result screen is displayed.
• If the calibration passes the new settings are displayed.
• If the calibration fails the reason for failure is displayed.
Note. The calibration can be canceled at any time during the
process by pressing the Abort key (
Continue
).

TSS manual calibration

1 At the Calibrate level, press the
The Calibrate menu is displayed:
Calibrate
S1 : Turb TSS
S2 : Turb TSS
Hold Outputs
Back
2 Use the / keys to select the sensor to be calibrated,
and press the key to confirm selection.
The TSS Manual Cal menu is displayed:
Calibrate
Sensor Verification
Turbidity Cal
TSS Cal
TSS Manual Cal
Sample Collection
Collection Complete
Back
3 Press the / keys to select TSS Manual Cal and
press the key to confirm selection.
The calibration slope is displayed:
TSS Manual Cal
Manual Slope
0.0000
Next
4 Use the
key to edit the slope.
keys to select the required Calibration Type
Use the /
and press the key to confirm selection.
Press the and key to proceed to the next step.
The Calibration Complete screen is displayed:
TSS Manual Cal
Calibration Complete
Next
key:
Select
Select
Edit
Edit