Dupla pH-Control Pro Instructions pour l'utilisateur - Page 13
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5.2.5 pH electrode calibration
pH
pH
When CAL flashes, press
1 . Remove the protective cap from the electrode tip .
2 . Rinse electrode tip briefly with DuplaDest .
3 . Dip the electrode into the pH 7 solution and press
A measured running value is displayed together with CAL on the first line,
and SET are displayed on the second line .
When
When the measured running value has settled, press the
beep as confirmation as value acceptance .
When
is displayed with CAL on the first line and
4 . Take the elctrode out of the pH 7 solution and press
flashes on the second line .
5 . Rinse the electrode tip briefly with DuplaDest .
6 . To calibrate the pH Electrode for freshwater aquaria, dip the electrode into the pH 4 solution for freshwater and
acknowledge with
(To calibrate the pH Electrode for saltwater aquaria, use the ▲ or ▼ button until
into the pH 9 solution for saltwater and acknowledge with
7 . A measured running value is displayed together with pH and CAL on the first line .
) with SET is displayed on the second line .
When
(
When the measured running value has settled, press the
beep as confirmation as value acceptance .
When
(
) is displayed with CAL on the first line and
Press
to finish calibration . When the calibration is finished, CAL and
8 . Rinse the electrode tip briefly with DuplaDest .
9 . Fix the electrode in the aquarium with suction cups .
Please note: The calibration can be interrupted at any time by pressing the ▲ or ▼ button at the same time.
Caution: Used electrodes which top has been dried completly in the protection cover need to be put in water
over night before the calibration is done. New electrodes need a 14 days run-in period. After that a second
calibration is necessary for precise mesurement.
pH
.
flashes on the second line .
.
.
button for three seconds – until you hear a long
with SET on the second line .
to proceed calibration .
.)
button for three seconds – until you hear a long
(
) with SET on the second line .
flashes .
flashes, dip the electrode
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