50
• Press the Zero key. The display will show “‑0.0‑” when the meter is zeroed and ready for
measurement.
• Remove the cuvette.
POWDER REAGENT PROCEDURE
• Add the content of one packet of HI93701‑0 Free Chlorine
Reagent. Replace the cap and shake gently for 20 seconds.
• Reinsert the cuvette into the instrument and close the lid.
• Press Timer and the display will show the countdown prior to the measurement or alternatively,
wait for 1 minute and press Read. When the timer ends the meter will perform the reading. The
instrument displays the results in mg/L of chlorine (Cl
2
).
LIQUID REAGENT PROCEDURE
• To an empty cuvette add 3 drops of HI93701A‑F Free
Chlorine Reagent A and 3 drops of HI93701B‑F Free
Chlorine Reagent B.
CHLORINE, FREE
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