Owner's manual

pH/ 3400i Operation
37
Two-point calibration
1 Press the <CAL> key. The previously set up concentration of
the first standard solution and ConCal appear on the display.
2 Enter the current concentration of the first standard solution
with <▲> <▼>.
3 Immerse the ISE electrode and, if necessary, the temperature
sensor in the first standard solution.
4 Press the <RUN/ENTER> key.
The electrode voltage appears on the display, the AR display
indicator flashes.
5 As soon as a stable value is achieved, AR stops flashing. The
previously set up concentration of the second standard solution
appears on the display.
UpH
%
°C
TP
Ident
Year
AutoCal DIN
AutoCal TEC
mV/pH
mol/L
Auto
Store
RCL
LoBat
CalError
ARng
AR
Time
Baud
Day.Month No.
1
°F
S
TempError
% ppm
1
d
t
00
0
ConCal
mg/l
1
ISE
S
°F
%
1
S
0
1
/pH
mg/L
2
UpH
Ident
Year
AutoCal DIN
AutoCal TEC
mol/L
Auto
Store
RCL
LoBat
CalError
ARng
Time
Baud
Day.Month No.
TempError
% ppm
4
3
2
5
0
ConCal
ISE
AR
mV
°C
TP