18
• Add the content of one packet of
HI93701‑0
Free Chlorine Reagent. Replace the plastic
stopper and the cap. Shake gently for
20 seconds.
• Insert the cuvette into the holder and ensure
that the notch on the cap is positioned
securely in the groove.
FREE CHLORINE HR
• Insert the cuvette into the holder and ensure that the
notch on the cap is positioned securely in the groove.
• Press the
ZERO
key. The display will show “
-0.0-
” when the meter is zeroed and
ready for measurement.
• Remove the cuvette.