12 Calibrating a pH measuring chain
26
12.3.2
Two-point and Three-point calibration
Step
Action
1
Start the desired Calibration routine.
Device Menu r Calibration r analysis input Select analysis input for
pH/Redox/NH3 r Open Two-point or Three-point calibration
2
If temperature compensation was not specified in the calibration
default settings, enter the temperatures of the Buffer solution here
manually.
If temperature compensation was specified, the
temperature of the Buffer solution is determined automatically.
3
Clean the pH electrode and immerse it in one of the Buffer solu-
tions.
For a Two-point calibration, you need 2 Buffer solutions.
For a Three-point calibration, you need 3 Buffer solutions (acidic,
neutral, and alkaline).
tap button to en-
ter temperature
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