98
• Place the cuvette into the holder and close the lid.
• Press the
Zero
key. The display will show “‑0.0‑” when the meter is zeroed and ready for
measurement.
• Remove the cuvette and add the contents of one
packet of
HI93735C‑0
Fixing Reagent. Replace
the cap and shake gently to mix 20 seconds.
• Place the cuvette into the holder and close the lid.
• Press
Read
to start the reading. The instrument displays concentration in
mg/L of calcium
carbonate (CaCO
3
).
• Press
or
to access the second level functions.
HARDNESS
, T
OT
AL LOW RANGE