Autoread Ar (Drift Control) - wtw Oxi 330i Operating Manual

Operation
Criteria
18

4.2.6 AutoRead AR (drift control)

The AutoRead function (drift control) checks the stability of the mea-
surement signal. The stability has a considerable effect on the repro-
ducibility of the measured value.
1 Select the measuring mode with <M>.
2 Activate the AutoRead function with <AR>. The current mea-
sured value is frozen (hold function).
3 Start AutoRead with <RUN/ENTER>.
The AR display indicator flashes until a stable measured value
is reached.
TDS UpH O
S
1 7 7 0
Time Baud
1
8 7
Day.Month No.
Year Ident
Tref25 Tref20 AutoCal DIN
LoBat nLF Lin Cal AutoCal TEC
4 If necessary, start the next AutoRead measurement with
<RUN/ENTER>.
5 To terminate the AutoRead function: Press the <AR> key.
With identical measurement conditions, the following applies:
Parameter
D. O. concentration
D. O. saturation index
D. O. partial pressure
Sal
mV/pH
%
mg/l
S/
m
cm
mbar M cm
1/ cm Sal
6
°
C
/
% K
TP
° F
Auto Store
ARng
AR RCL
Reproducibility
better than 0.05 mg/l
better than 0.6 %
better than 0.6 mbar
Oxi 330i/340i
Response time
> 10 seconds
> 10 seconds
> 10 seconds