wtw pH 3150i Operating Manual page 20

Handheld meter
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Operation
20
ISE
U
pH
S
1
8 0
1
4
Baud
Time
8
2
4
Day.Month No.
Year
Ident
AutoCal DIN
Auto Store
LoBat
AutoCal TEC
ConCal
4
When the measured value is stable, Ct2 appears.
ISE
U
pH
S
1
6
C t
Time
Baud
8
2
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
6
1
1
3
Time
Baud
2
8
4
Day.Month No.
Year
Ident
AutoCal DIN
Auto Store
LoBat
AutoCal TEC
ConCal
mol/L
S
1
mV
mV/pH
% ppm
mg/L
°F
Time
8
%
Day.Month No.
TP
°C
Year
CalError
TempError
AutoCal DIN
LoBat
ARng
AR
RCL
AutoCal TEC
mol/L
2
mV/pH
% ppm
mg/L
°F
8
%
TP
°C
CalError
TempError
ARng AR
RCL
mol/L
S
3
7
1
mV/pH
mV
% ppm
mg/L
°F
Time
8
%
Day.Month No.
TP
°C
Year
TempError
CalError
AutoCal DIN
LoBat
ARng
AR
RCL
AutoCal TEC
ISE
U
pH
mol/L
4
0
0
1
mV
mV/pH
% ppm
°F
Baud
8
2
4
8
°C
Ident
CalError
Auto Store
ARng
ConCal
ISE
U
pH
mol/L
0
0
0
mV/pH
mV
% ppm
°F
Baud
2
8
8
4
°C
Ident
CalError
Auto Store
ARng
ConCal
pH 3150i
mg/L
%
TP
TempError
AR
RCL
mg/L
%
TP
TempError
AR
RCL

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