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METHOD PROCEDURES
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62
OZONE
• Remove the cuvette.
• Add one packet of
HI93757-0
Ozone Reagent. Replace the
plastic stopper and the cap. Shake gently for 20 seconds.
• Insert the cuvette into the holder and close the lid.
• Press
Timer
and the display will show the countdown prior to the measurement or wait 2 minutes
and press
Read.
When the timer ends the meter will perform the reading. The instrument displays
the result in
mg/L ozone (O
3
)
(chlorine free sample only). For samples containing chlorine, record
this value as A.
ADDITIONAL MEASUREMENT PROCEDURE
Samples containing chlorine
• Fill the cuvette with 10 mL of unreacted sample (up to the mark).
• Insert the cuvette into the holder and close the lid.
10 mL