wtw MultiLab P5, Operation Manual

Page: 60 / 251

pH measurement pH measurement
60
BA61101/08.00/IWa/MLP5-E2 BA61101/08.00/IWa/MLP5-E2
61
Termination of measurement with AutoRead
(AR) (Calibration or measurement)
Example: Calibration
Ãstop AR TP
AutoCalTEC pH
23.6
°C
170
mV
Calibration is running.
AutoCalTEC
S= -59.2mV/pH
Uasy= -1 mV
ÂpH
⇐
Termination of calibration:
There is no
¡
symbol behind
AutoCal TEC, even if the
calibration was terminated
with one buffer only.
Example: pH measurement
Ãstop AR TP
Âmenu
pH
6,75
25.4°C
pH measurement is
running.
AR TP
Âmenu
ÁpH
7,23
25.4°C
ÀCal
Termination of
measurement,
no
¡
before AR.
⇐
Operation without temperature probe
The MultiLab P5 automatically recognizes, whether a temperature
probe is connected and displays
TP
and the temperature value.
If no temperature probe is connected, a temperature inquiry is
automatically displayed before measurement of the buffer solutions.
Calibration without temperature probe
Ãmeth.
Âmenu
ÀCal
ÁpH
AR
AutoCalDIN
ÂpH
ConCal
¡AutoCalTEC
Select calibration.
Immerse pH electrode into first buffer solution.
Determine temperature of
sample solution.
ÃCt1 AR
AutoCalTEC pH
T=+ 20 °C
È
Select input of temperature.