15
4.2 Manual
Temperature
Compensation
IMPORTANT: For manual compensation, you must
disconnect the temperature probe (see page 6).
1.
Switch the meter on. Press the MODE key to select
pH mode.
2. Press the CAL/MEAS key to enter pH calibration
mode. The CAL indicator will appear above the
primary display.
3.
While in pH calibration mode, press the MODE key
to enter temperature calibration mode. The primary
display shows the current temperature setting and
the secondary display shows the default value 25
°
C.
4. Check the temperature of your sample using an
accurate thermometer.
5. Press the MI/
▲
or MR/
▼
keys to set the
temperature to the measured value from step 4.
6. Press ENTER to confirm the selected temperature
and to return to the pH measurement mode.
See Figure 14.
The meter will now compensate pH readings for the
manually set temperature.
NOTES:
To exit this program without confirming the manual
temperature compensation value, DO NOT press ENTER
in step 6. Press CAL/MEAS instead.
Figure 14 - Manual temperature
compensation
