
33
• Press
ZERO/CFM
and the lamp, cuvette and detector icons will appear on the display, depending
on the measurement phase.
• After a few seconds, the display will show
“-0.0-”
. The meter is now zeroed and ready for
measurement.
• Remove the cuvette.
• Fill another graduated mixing cylinder up to the 25 mL mark with the sample.
• Add the content of one packet of
HI93746‑0
reagent, close the cylinder and shake vigorously
for 30 seconds. This is the reacted sample.
• Fill a cuvette up to the 10 mL mark with the reacted sample and replace the cap.
MEASUREMENT PROCEDURE