
Operation pH/ 3400i
28
Note
At this point, the AutoCal DIN calibration can be terminated with <M>.
This corresponds to a single-point calibration. When doing so, the in-
strument uses the Nernst slope (-59,2 mV/pH at 25 °C) and determines
the asymmetry of the electrode.
5 When the measured value is stable, Cd2 appears.
6 Thoroughly rinse the electrode with deionized water.
7 If required, enter the temperature of the second buffer solution
with <▲> <▼> while keeping the <RUN/ENTER> key de-
pressed.
8 Immerse the pH electrode in the second buffer solution.
9 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:
AutoCal TEC
/pH
mV
TDS
OU
Tref20
Cal
8
S
1
Sal
%
mg/l
1/
cm
Sal
Lin
Tref25
nLF
RCL
Auto
Store
LoBat
ARng
AR
Time
Baud
Day.Month No.
Ident
Year
mbar
cm
M
°
F
/
K
%
S/
m
cm
8
4
2
d
2
°
C
TP
pH
C
AutoCal DIN
AutoCal TEC
AutoCal TEC
°
F
0
Cal
Tref20
Lin
0
Cal
Tref25
ARng
Tref25
Auto
ARng
Tref20
Lin
F
cm
1/1/
cm
AR
AR
RCL
RCL
OO UpHUpH SalSal
Store
Store
Auto
LoBat
LoBat
nLF
nLF
SalSal
%%
mg/lmg/l
mV/pHmV/pH
cmcm
°
mm
S/S/
cmcm
%%
//
KK
MM
TDSTDS
11
SS
mbarmbar
Time
Baud
Day.Month No.
Ident
Year
Time
Baud
Day.Month No.
Ident
Year
1
89
9
pHpH
C
°
C
°
ARAR
mV
88
44
22
TP
TP
2
1
AutoCal DIN
AutoCal DIN
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