User Manual

pH 1970i Calibration
23
ba75675e01 01/2007
z Immerse the pH electrode in the second buffer solution to continue the
two-point calibration.
z When measuring without
a temperature sensor:
Enter the temperature of the third buffer solution with <▲> <▼>.
z Press <RUN/ENTER>. The AutoRead measurement begins. The
electrode voltage (mV) or the buffer nominal value appears on the
display.
z When the measured value is stable, the instrument shows the value of
the slope and the evaluation of the three-point calibration.
z Press <RUN/ENTER>. The instrument displays the value of the
asymmetry.
z Switch to the measuring mode with <M>.
-
m
cm
S/
%
mg/l
Sal
O
S
pH
588
pHmV/
1
pH
cm
S/
mg/l
Sal
O
S
pH
2
mV