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pH measurement
Calibration with standard buffer solutions:
"AutoCalTEC"
For AutoCalTEC use two WTW-Technical buffer solutions , e.g.
pH = 7.00 (25 °C) and pH = 4.01 (25 °C).
The data of four WTW Technical buffer solutions are stored in the
meter: pH= 2.00, pH= 4.01, pH= 7.00 and pH= 10.00, all pH values at
25°C.
BA61101/08.00/IWa/MLP5-E2
Connect pH electrode and temperature probe.
Âmenu
ÀCal
25.4°C
ÁpH
Ãmeth.
ÂpH
ConCal
¡AutoCalTEC
AutoCalDIN
Immerse pH electrode and temperature probe into
first buffer solution.
AutoCalTEC pH
23.6
°C
Ãstop
AR
pH measurement switched
on.
AR TP
temperature are only dis-
played when temperature
probe connected.
Select calibration procedure
AutoCalTEC.
3 calibration procedures
are available.
Start measurement. Wait
until ¡ appears before AR
5
mV
(Signal sound).
AR TP
: Drift control for the
TP
and the current
57
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