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METHOD PROCEDURES
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46
AMMONIA HIGH RANGE
• Press Zero. The display will show “-0.0-” when the meter is zeroed and ready for measurement.
• Remove the cuvette.
• Add 4 drops of HI93733A-0 Ammonia High Range Reagent A.
Replace the plastic stopper and the cap. Swirl to mix the solution.
• Insert the cuvette into the holder and close the lid.
• Press Timer and the display will show the countdown prior to the measurement or wait 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).
• Press the or key to access the second level functions.
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