ENGLISH
OPERATION
1.Remove the probe cover from meter to
expose the electrode out. It is normal if you
fi nd white crystals are present on the cap or
electrode assembly (Fig. D).
2.Dip the electrode into the test soluti on.
Press
to power on the meter and ti r it
to get a stable reading.
3.A small dot«
» is fl ashing while the meter
is in measurement mode. The LCD not only
shows the measured pH value but also
displays the temperature (Fig.E).
AUTO POWER OFF (SLEEP FUNCTION)
This meter will shut off automati cally 20 minutes of inacti vity. For operati ng longer ti me, you can
disable the sleep mode.
To disable the auto power off :
Before power on, pressing
then release keys to return to normal mode (Fig.G).
AUTOMATIC TEMPERATURE COMPENSATION (ATC) AND UNIT SETTING
This meter is capable of measuring with Automati c Temperature Compensati on.
«ATC» will show in the middle of the LCD.
Temp. Unit Setti ng
To select the temp, unit (°C or °F), turn off the meter fi rst. When the meter is off , press «
» at the same ti me unti l the C or F appears on the LCD. Press «
then press « CAL to save.
SR
«
» will appear on the LCD for one sec and then go back to normal (Fig.H).
- 8 -
For pH meters, please always make the
sponge wet to keep the electrode in a good
storage condition.
4.Press
The text «Hold» will appear on the LCD
and the small dot will not fl ash. Press
0
F).
5.Turn off the meter by pressing "
6.Once fi nishing the measurement, clean the
electrode put back the cap, store the meter
under the 0~50°C.
7.Please see page 9 for the calibrati on
procedures.
+
» keys simultaneously unti l a « n » appeared on the screen and
Note:
The disable sleep mode will be invalid after
every power off.
CAUTION
to freeze current readings.
again to release the hold mode (Fig.
» to select the preferred unit and
" butt on.
» and «CAL