Hanna Instruments HI83325 - Page 61

61
METHOD PROCEDURES
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61
PHOSPHATE HIGH RANGE
• Add 10 drops of HI93717A-0 Phosphate HR Reagent A.
• Add one packet of HI93717B-0 Phosphate HR Reagent B to
the cuvette. Replace the plastic stopper and the cap. Shake
gently until completely dissolved.
• 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 5 minutes
and press Read. When the timer ends the meter will perform the reading. The instrument displays
the results in mg/L of phosphate (PO
4
3
¯).
• Press the  or  key to access the second level functions.
• Press Chem Frm to convert the result to mg/L of phosphorus (P) and phosphorus pentoxide
(P
2
O
5
).
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