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Calibrating the controller diaLog DACb
78
7.
[Buffer detection] e.g. [Manual] : Press
arrow keys, set the buffer value for buffer 1 to the value of
the buffer you are using. Press
value.
8.
Remove the sensor from the buffer solution, rinse thoroughly
in water and then dry with a cloth (pat dry, don't rub!)
9.
Continue with
.
10.
Immerse the sensor in test container 2 which contains the
buffer solution (e.g. pH 4). Gently move the sensor.
11.
Continue with
.
Do not move the sensor cable during calibra‐
tion as this can lead to signal variations.
ð Calibration is running
Sensor calibration in buffer 2
Sensor voltage
Buffer temperature
Stability
acceptable
Continue with <CAL>
Fig. 39: Display of the sensor stability achieved
[acceptable / good / very good] is displayed.
12.
The range
ð The black part of the horizontal bar indicates the deter‐
mined range.
13.
As soon as the black bar appears, the display changes from
[Please wait!] to continue with
The black bar does not need to be at
[very good].
14.
[Puffer detection] [Manual] : Press
arrow keys, set the buffer value for buffer 2 to the value of
the buffer you are using. Press to confirm input of the value.
15.
Continue with
.
and, using the four
to confirm input of the
[Please wait!] flashes.
.
good
.
and, using the four
A1018
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