14
CAL
END
If you want to continue the calibration, withdraw the electrode from the solution, rinse it with de-ionized water, dry it, plunge it
in the second buffer solution, and press the
CAL
key again.
CAL
END
> 2s
H
O
2
ATC
CAL SET
Wait for the measurement to stabilize. Once again, the instrument proposes terminating the calibration (by pressing the
END
key) or continuing at a third point (by pressing the
CAL
key).
OFFSET
%
If two calibration points are enough, long-press the
END
key. The slope and offset of the electrode will be calculated and displayed.
However, you can continue the calibration on a third and last point by pressing the
CAL
key again.
ATC
CAL SET
During the calibrations, the slope and offset of a given electrode must not vary more than a little. If you observe a large
variation, redo the calibration. If the problem persists, check the buffer solution (in particular the use-by dates) or replace
the electrode.