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17.3.2
Two-point calibration (linear scaling)
Step
Action
1
Start the desired Calibration routine.
Device menu > Calibration > Select Universal Input > Two-point
calibration
2
Clean the sensor and immerse it in the
first test solution. Wait until the measuring value displayed stabiliz-
es and then confirm the result of the measurement by pressing
"OK".
Measuring value
based on previous
calibration values
3
Enter the reference value of the first test solution.
Tap button to enter
reference value of test
solution
4
Clean the sensor and immerse it in the
second reference solution. Wait until the measured value displayed
stabilizes and then confirm the result of the measurement by press-
ing "OK".
5
As in step 3, enter the reference value of the second test solution.
Confirm by pressing "OK".
6
A protocol summarizing the calibration values determined then ap-
pears. Acknowledge the protocol by pressing "OK".
Failed calibrations are canceled at this point and discarded.
7
Press "Yes" to accept the Calibration values determined and enter
the Calibration in the Calibration logbook.
Press "No" to discard the results.
17 Calibrating universal inputs
95
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