User Guide
8
OPERATIONAL GUIDE
To prepare the instrument for taking
measurements, first install the batteries (see
Battery Replacement section on page 17) and
then turn the instrument on.
To maximize battery-life the meter is
automatically switched off after 5 minutes of
non-use. To reactivate it, simply press the ON/
OFF key.
MEASUREMENT PROCEDURE:
• Turn the meter on by
pressing the ON/OFF
key.
• The meter will carry
out a self-test display-
ing a full set of fig-
ures. After the test,
the LCD will change
to the measurement mode.
• When the LCD dis-
plays “----” the meter
is ready to measure.
• Fill a clean cuvet up
to one quarter inch
(0.5 cm) from its rim
with the thoroughly
agitated sample.
• Allow sufficient time for bubbles to escape
before securing the cap.
Note: do not overtighten the cap.










