22
METHOD PROCEDURE
• Remove the cuvette.
• Add one packet of
HI96779B-0
Chlorine
Dioxide Reagent B.
• Replace the plastic stopper and the cap. Shake
gently for 20 seconds.
• Insert the cuvette into the holder and ensure
that the notch on the cap is positioned securely
in the groove.
• Press
Read
.
The display will show a 1 minute countdown prior to the measurement.
To skip the timer, press
Read
twice. When the timer ends, the meter will perform the
reading. The instrument displays the results in
mg/L
of
ClO
2
.
INTERFERENCES
Interference may be caused by:
• Acidity, Alkalinity, Flocculating agents, Hardness, Inorganic and Organic Chloramines,
Manganese, Metals, Monochloramine, Oxidized forms of Chromium and Manganese,
Ozone and Peroxides
• Chlorine above 5 mg/L
• Bromine above 0.1 mg/L
• Highly buffered samples or extreme sample pH
