Hanna Instruments HI83300 Instruction Manual page 111

• Press the Zero key. The display will show "‑0.0‑" when the meter is zeroed and ready for
measurement.
• Remove the cuvette.
• Fill another graduated mixing cylinder up to the 25 mL
mark with the sample.
• Add one packet of HI93746‑0
close the cylinder and shake vigorously for 30 seconds.
This is the reacted sample.
• Fill a cuvette with 10 mL of the reacted sample (up to the
mark) and replace the cap.
• Insert the sample into the instrument and close the lid.
Iron Low Range Reagent,
25 mL
10 mL
#2
111