Xylem handylab pH LF 12 - Manual (Page 38)

Operation handylab pH/LF 12
38 ba75370e03 11/2009
4.4.4 AutoRead AR (drift control)
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.
Note
The current AutoRead measurement can be terminated at any time (accept-
ing the current value) by pressing . You can only change to
another measuring mode after completion of AutoRead.
1 Select the
ӕ
or SAL measuring mode with and/or <
▲ >
<
▼>.
2 Immerse the conductivity measuring cell in the test sample.
3 Activate the AutoRead function with . The current mea-
sured value is frozen (hold function).
4 Start AutoRead with .
AR flashes until a stable measured value is reached.
This measured value is transmitted to the interface.
5 If necessary, start the next AutoRead measurement with
.
6 To terminate AutoRead: Press the key.
8
1
cm 1/
/ K %
° F
ARng RCL Cal Lin
Tref20
LoBat
M
m
Sal TDS
S
Auto Store
Sal
mbar
% mg/l
O UpH
mV/pH
cm
AutoCal DIN
AutoCal TEC
Time Baud
Day.Month No.
Ident Year
0 5 2
3 0 5
°
AR
TP
S/
cm
C
Tref25
nLF