wtw inoLab pH/ION Level 2 Operating Manual page 31

Measuring the
concentration
AutoRead AR
(Drift control)
To measure the concentration proceed as follows:
1 Perform the preparatory activities.
2 Immerse the electrode into the test sample.
m
3 Press the
status line.
The concentration value appears on the display.
The AutoRead function (drift control) checks the stability of
the measurement signal. The stability has a considerable ef-
fect on the reproducibility of the measured values.
1 Call up the ISE measuring mode by pressing
2 Immerse the electrode into the test sample.
3 Activate the AutoRead function by pressing
The current measured value is frozen (Hold function).
4 Start the AutoRead function by pressing
AR flashes on the display until a stable measured val-
ue is reached.
This measured value is transmitted to a printer/inter-
face.
5 If necessary, start the next AutoRead measurement
by pressing
6 To cancel the AutoRead function: Press the
key repeatedly until ISE appears in the
g
.
Operation
m
.
a
.
g
.
a
key.
115