wtw pH/Oxi 340i Operating Manual page 24

Operation
24
pH
TDS U O
S
1 C t 1
Baud
Time
8 2 4
Day.Month No.
Year Ident
Tref25 Tref20 AutoCal DIN
LoBat nLF Lin Cal AutoCal TEC
2 If required, enter the temperature of the first buffer solution with
< > < > while keeping the <RUN/ENTER> key depressed.
3 Immerse the pH electrode in the first buffer solution.
4 Press the <RUN/ENTER> key.
The AR display indicator flashes.
The electrode voltage (mV) or the buffer nominal value ap-
pears on the display. Example:
TDS UpH pH O
S
1 7 3 3
Time Baud
0 2 4
Day.Month No.
Year Ident
Tref25 Tref20 AutoCal DIN
LoBat nLF Lin Cal AutoCal TEC
5 When the measured value is stable, Ct2 appears.
pH
TDS U O
S
C t 2
1
Time Baud
8 2 4
Day.Month No.
Year Ident
Tref25 Tref20 AutoCal DIN
LoBat nLF
Lin Cal AutoCal TEC
Note
At this point, the AutoCal TEC calibration can be terminated with <M>.
This corresponds to a single-point calibration. When doing so, the in-
Sal
mV /pH
% mg/l
S/
m
cm
mbar M cm
1/ cm Sal
8
°
C
/
%
K
TP
° F
Auto Store
ARng
AR RCL
Sal
mV/pH mV
S
%
mg/l
1
m S/
cm
mbar M cm
1/ cm Sal
Time
8
° C
Day.Month No.
/
% K
TP
° F
Year
Auto Store Tref25
ARng
AR AR RCL LoBat nLF
Sal
mV /pH
% mg/l
m S/
cm
mbar M cm
1/ cm Sal
8
°
C
/
% K
TP
° F
Auto Store
ARng
AR RCL
pH/Oxi 340i
TDS UpH pH O Sal
mV/pH
%
mg/l
7 0 0
m S/
mbar M
1/ cm
Baud
0 2 4 8
° C
° F
Ident
Tref20 AutoCal DIN Auto Store
ARng
Lin Cal AutoCal TEC
cm
cm
Sal
/
% K
TP
AR AR RCL