Hanna Instruments HI 96101 - Manual (Page 23)

23
IODINE MEASUREMENT
• Fill the cuvette with 10 mL of unreacted
sample, up to the mark, and replace the
cap.
• Place the cuvette into the cuvette holder
and ensure that the notch on the cap is
positioned securely into the groove.
• 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.
• Add the content of one packet of
HI 93718-0 Iodine reagent. Replace the
cap and shake gently for about 20 seconds
to dissolve most of the reagent.
• Replace the cuvette into the cuvette holder
and ensure that the notch on the cap is
positioned securely into the groove.
• Press and hold READ/ /TIMER for three
seconds. The display will show the
countdown prior to measurement. An
audible “beep” indicates the end of the
countdown period.