104
Ozone
• Press the
Zero
key. The display will show “
-0.0-
” the meter is zeroed and ready for measurement.
• Remove the cuvette.
• Add the content of one packet of HI 93757-0
Ozone Reagent. Replace the cap and shake gently
for 20 seconds.
• Replace the cuvette into the holder and close the lid.
• Press
Timer
and the display will show the countdown prior to the measurement or, alternatively,
wait for 2 minutes and press
Read
. When the timer ends the meter will perform the reading.
• The instrument displays concentration in
mg/L of ozone
(chlorine free samples only).
ADDITIONAL MEASUREMENT PROCEDURE
For samples containing chlorine
• Select the
Ozone method using the procedure described
in the
Method Selection section (see page 12).
• Fill the cuvette with 10 mL of unreacted sample, up to
the mark, and replace the cap.
• Place the cuvette into the holder and close the lid.
10 mL