wtw pH 315i Operating Manual page 25

pH 315i
ISE U pH
S
8 C d
1
Baud
Time
2
8 4
Day.Month No.
Year
Ident
AutoCal DIN Auto Store
LoBat
AutoCal TEC ConCal
Note
At this point, the AutoCal TEC calibration can be terminated with <M>.
This corresponds to a single-point calibration. To do this, the instru-
ment uses the standard slope (-59.2 mV/pH at 25 °C) and determines
the asymmetry of the electrode.
5 Thoroughly rinse the electrode with deionized water.
6 Immerse the pH electrode in the second buffer solution.
7 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:
ISE U pH
S
7
1 1 2
Time Baud
8 2 4
Day.Month No.
Year Ident
AutoCal DIN Auto Store
LoBat
AutoCal TEC ConCal
8 When the measured value is stable, AR disappears. The value
of the slope (mV/pH) appears on the display. The probe symbol
shows the evaluation of the current calibration (two-point cali-
bration).
mol/L
2
mV/pH
% ppm
mg/L
°F
8
%
TP
°C
CalError TempError
ARng AR RCL
mol/L
S
8
1 7
mV/pH mV
% ppm
mg/L
°F
Time Baud
8
%
Day.Month No.
TP
°C
Year Ident
CalError TempError
AutoCal DIN
LoBat
ARng AR RCL
AutoCal TEC
Operation
ISE U pH
mol/L
0 0
0
mV mV/pH
% ppm
mg/L
°F
8 2 4 8
°C
CalError
Auto Store
ARng AR
ConCal
%
TP
TempError
RCL
25