ABB AWT420 - Page 75

AWT420 | UNIVERSAL 4-WIRE, DUAL-INPUT TRANSMITTER | OI/AWT420-EN REV. B
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7 Ensure the sensor is inserted in the solution and press
the key to start the verification routine.
The calibration process screen is displayed:
• 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.
8 Ensure the sensor is inserted in the solution and press the
key to start the verification routine.
The calibration process screen is displayed:
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 ( ).
Calibrate
PV 0.000 NTU
mV –0.0.0 mV
Settling - Please Wait
Abort
Calibrate
Start Cal ?
Place in High Sol
2000 NTU
Abort
Continue
Calibrate
PV 2000 NTU
mV 56.0 mV
Settling - Please Wait
Abort