1. Remove the cap from the bottom of
the meter to expose the electrode which
is protected by a small transparent
plastic cover. It is normal if you find
white crystals are present on the cap
or electrode assembly. Rotate the small
cap in clockwise direction to expose
the electrode. DON'T pour out the liquid
in the small cap, the liquid is used to
keep electrode wet. (See below figure.)
2. Dip the electrode into the test solution
and stir it to get a stable reading .
3. A small dot " " is flashing while the
meter is working, the screen shows
pH
value and solution temperature (
o
o
with unit C or F.See Fig.G.
4. Press
HOLD
button to freeze the
current reading. The small dot is not
flashing after pressing the button.
5. Turn off by pressing
button .
6.Todisable the sleep
mode before power
on, see the procedure
on page 4.
7. Put back he transparent
cover and gray cap to
s tore the pH p en u nder
o
the temperature 0~50 C.
ATC
)
I
3
Fig. G
ATC
C
2
1