41
Ozone
STANDARD MEASUREMENT PROCEDURE
• Select the program number corresponding to Ozone on the secondary
LCD by pressing PROGRAM ▼ and ▲.
• Fill the cuvet with 10 mL of unreacted
sample, up to the mark, and replace
the cap.
• Place the cuvet into the holder and
ensure that the notch on the cap is
positioned securely into the groove.
• Press ZERO and “SIP”
will blink on the
display.
• Wait for a few seconds and the display
will show “-0.0-”. Now the meter is
zeroed and ready for measurement.
• Remove the cuvet.
• Add the content of one packet
of HI 93757-0 Ozone
Reagent. Replace the cap and
shake gently for 20 seconds.
• Replace the cuvet into the holder and
ensure that the notch on the cap is
positioned securely into the groove.
• Press TIMER and the display will show the countdown prior to
measurement. Alternatively, wait for 2 minutes and press READ
DIRECT. In both cases “SIP” will blink during measurement.
• The instrument directly displays concentration in mg/L of ozone
on the Liquid Crystal Display (chlorine free samples only).
10 mL
