wtw MultiLab P5, Operation Manual

Page: 58 / 251

pH measurement pH measurement
58
BA61101/08.00/IWa/MLP5-E2 BA61101/08.00/IWa/MLP5-E2
59
ÃCt2 *AR TP
AutoCalTEC pH
23.6
°C
2
mV
Test value is "frozen".
Rinse pH electrode and temperature probe and
immerse into second buffer solution.
Ãstop AR TP
AutoCalTEC pH
23.6
°C
170
mV
Start measurement.
AutoCalTEC ¡
S= -59.2mV/pH
Uasy= -1 mV
ÂpH
Wait until electrode data are
displayed. The data are
stored with date and time.
ÂpH
AutoCalTEC ¡
Ct1= 7.00
Ct2= 4.01
Display of the used buffers.
À
and
Á
switches to-and-
fro the calibration data.
Ãmeth.
Âmenu
ÀCal
ÁpH
25.4°C
AR TP
Back to pH menu.
The calibration data remain stored even if the instrument is switched
off.
pH measurement with AutoRead (AR)
Ãmeth.
Âmenu
ÀCal
ÁpH
25.4°C
AR TP
Rinse pH electrode and temperature probe and
immerse into sample solution.
Ãstop AR TP
Âmenu
pH
6,75
25.4°C
Select pH measurement.
The measurement runs until
a stable test value is
reached (Signal sound).
¡AR TP
Âmenu
ÁpH
7,23
25.4°C
ÀCal
Wait until
¡
is displayed
before AR.
The test values are
"frozen".
Ãstop AR TP
Âmenu
pH
4,32
25.4°C
Next measurement.