wtw inoLab Level 3 Operating Manual page 113

Measuring
the concentration
AutoRead
(drift control)
Measure the concentration as follows:
1 Perform the preparatory activities according to
section 7.4
2 Immerse the electrode in the test sample.
m
3 Press the
concentration value appears on the display.
The AutoRead function (drift control) checks the stability of
the measurement signal. The stability has a considerable
effect on the reproducibility of the measured value. The pH/
ION measuring module allows a setting of the AutoRead
criterion (see section 7.2.4).
1 Call up the ISE measuring mode with
2 Immerse the electrode in the test sample.
3 Activate the AutoRead function with
The current measured value is frozen.
4 Start AutoRead with
measured value is reached. The stable measured
value is transmitted to the printer or interface.
5 If necessary, start the next AutoRead measurement
g
with .
6 To terminate the AutoRead function: Press the
key.
Note
Before accepting a measured value, make sure that it is
stable for a longer period of time.
key until ISE appears. The
h
g
. flashes until a stable
Ion concentration
m
.
a
.
a
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