6
return to “Measure Mode”. The unit is now ready for
another measurement.
REPLACE ELECTRODE
1. Unscrew the electrode collar to remove the electrode &
ATC assembly as shown in the right figure.
2. Remove the old electrode
from the meter.
3. Insert a new electrode,
make sure the electrode fit
back into the meter
correctly.
4. Screw back the electrode collar.
5. Soak the electrode in distilled water for 10 minutes and
recalibrate the EC331 following the instructions detailed in
section
USING VISIONPLUS EC331.
REPLACE THE OLD BATTERIES
Replace the battery when the blinking low battery indicator “
”
appears on the upper left corner of the LCD screen. The instrument
can operate within specifications for approximately 2~3 hours after
low battery indicator appears.
1. Take off the battery cover.
2. Remove all of the old batteries and insert a new set of
batteries ensuring the polarities are correct.
[
Note:
Calibration of the unit is required after replacement of
batteries.]
