Section 9: Calibration
Instruction Manual
April 2017
LIQ-MAN-1066
82
Calibration
The following sub-sections provide you with the initial display screen that appears for each
calibration routine. Use the flow diagram for Oxygen calibration at the end of
and the live
screen prompts for each routine to complete calibration.
The adjacent screen appears after selecting Oxygen calibration:
Air calibration criteria can be changed.
The following criteria can be adjusted:
• Stabilization time (default 10 sec.)
• Stabilization pH value (default 0.05 ppm)
• Salinity of the solution to be measured (default 00.0 parts per thousand)
The adjacent screen will appear to allow adjustment of these criteria:
Zeroing the Sensor
The adjacent screen will appear during Zero Cal.
The adjacent screen will appear if In Zero Cal is successful. The
screen will return to the Amperometric Cal Menu.
The adjacent screen may appear if In Zero Cal is unsuccessful. The
screen will return to the Amperometric Cal Menu.
Calibrating the Sensor in Air
The adjacent screen will appear prior to Air Cal
The adjacent screen will appear if In Air Cal is successful. The screen
will return to the Amperometric Cal Menu.
The adjacent screen may appear if In Air Cal is unsuccessful. The
screen will return to the Amperometric Cal Menu.
9.7.1
9.7.2
1.234 µS/cm 25.0 ºC
S
N
Calibration
Air Cal
Zero Cal
In Process Cal
Sen@ 25 °C:2500nA/ppm
Zero Current: 1234 nA
1.234 µS/cm 25.0 ºC
S
N
Setup
Stable Time: 10 sec
Stable Delta: 0.05 ppm
Salinity: 00.0 ‰
1.234 µS/cm 25.0 ºC
S
N
Air Cal
Failure
Check Sensor
Press EXIT
1.234 µS/cm 25.0 ºC
S
N
Air Cal
Done
1.234 nA
S
N
Zero Cal
Sensor zero done
1.234 µS/cm 25.0 ºC
S
N
Air Cal
Start Calibration
Setup
1.234 nA
S
N
Zero Cal
Sensor zero failed
Press EXIT
1.234 nA
S
N
Zero Cal
Zeroing
Wait