wtw pH 1970i Mode D'emploi page 23

pH 1970i
pH
S mV/
- 5 8 8
O % mg/l
S/
m
Sal
pH S mV
1 2
O mg/l
S/
Sal
ba75675e03 05/2012
 Immerse the pH electrode in the second buffer solution to continue the
two-point calibration.
 When measuring without a temperature sensor:
Enter the temperature of the third buffer solution with <▲> <▼>.
 Press <RUN/ENTER>. The AutoRead measurement begins. The
electrode voltage (mV) or the buffer nominal value appears on the
display.
 When the measured value is stable, the instrument shows the value of
pH
the slope and the evaluation of the three-point calibration.
cm
 Press <RUN/ENTER>. The instrument displays the value of the
pH
asymmetry.
cm
 Switch to the measuring mode with <M>.
Calibration
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