40
• Add 4 drops of HI93700A‑0 Ammonia Low Range Reagent A.
Replace the cap and mix the solution.
• Add 4 drops of HI93700B‑0 Ammonia Low Range Reagent B.
Replace the cap and mix the solution.
• 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 3 minutes and 30 seconds and press
Read.
When the timer ends the meter will perform
the reading. The instrument displays the results in
mg/L of ammonia nitrogen (NH
3
-N).
AMMONIA LOW RANGE