ThermoWorks 8689 Operation Manual

ThermoWorks, Inc.

1762 W. 20 S. #100

Lindon, UT 84042

ph: 801-756-7705

www.thermoworks.com

8689 pH Meter

File and keep

It is recommended that you

before using to clear up the lazy effect
or to make the electrode wet if the pH
electrode dries out.

Check

will

Loosen

old

It is recommended

the meters

C

s

3. "pH " flashes while the meter is in
measurement mode. The LCD shows
the measured pH and temperature.
“pH” stop flash while the reading is
stable.

" "

4. Press key to freeze current
readings. "HLD" appears on the LCD.

Press " " key again to release.

Remove the cover
from the bottom
of meter to expose
the electrode.

1

Electrode cap

2

4

If the cap is too
tight, use pliers to
bracket the cap and
rotate to remove.
Don’t break the cap.