Operation
pH/Oxi 340i
56
Displaying the air
pressure
Calibration
intervals pH
6
Select the required display during the pH calibration with
<
▲
> <
▼
>.
mV: Display of the current electrode voltage
/pH: Display of the buffer nominal value.
7
Confirm with <RUN/ENTER>. On the display, P mbar and the
current air pressure appears.
RCL
mV/pH
O
Store
Auto
Ident
S
1
LoBat
Tref25
nLF
/
K
%
Sal
°
AR
TP
C
M
m
%
mg/l
cm
S/
cm
cm
1/
°
F
ARng
Cal
Lin
Tref20
Sal
TDS
mbar
AutoCal DIN
AutoCal TEC
Time
Baud
Day.Month No.
Year
p
C A L
i s
d
pH
/pH
8
Confirm with <RUN/ENTER>. pH Int 3 and the measured vari-
able pH appear on the display.
Baud
4
Day.Month No.
Time
1
M
m
%
mg/l
cm
S/
cm
S
mV/pH
t
n
Store
Auto
LoBat
Tref25
nLF
/
K
%
RCL
Sal
°
AR
TP
C
cm
1/
°
F
ARng
Cal
Lin
Tref20
Sal
TDS
O
UpH
AutoCal DIN
AutoCal TEC
Ident
Year
9
4
9
mbar
P
9
Set the required interval (in days) with <
▲
> <
▼
>.
10
Confirm with <RUN/ENTER>. Int 4 and the measured variable
O
2
appears on the display.
1
O
U
°
C
1
TP
ARng
mg/l
LoBat
Baud
Day.Month No.
Ident
Year
Sal
%
mbar
S
RCL
AR
Store
Auto
°
F
1/cm
/
K
%
TDS
Sal
mV/pH
S/
m
cm
cm
M
Lin
Tref25 Tref20
nLF
AutoCal DIN
AutoCal TEC
8
t 3
n
1
d
Time
Cal
pH
