Hanna Instruments HI 83214 - Manual (Page 60)

60
Blank Sample
Blank
D.I. Water
Sample
Sample
Phosphorus, Reactive HR
• Replace the cap and mix by inverting each vial a couple of times.
• Place the blank vial into the holder and push it completely down.
• Press Timer and the display will show the countdown prior to the measurement and the “Reaction
Time” message. Alternatively, wait for 7 minutes and press Zero.
• The instrument will perform a zero sequence and after a few seconds the display will show “-0.0-”. Now
the meter is zeroed and ready for measurement.
• Remove the blank vial.
• Place the sample vial into the holder and push it completely down.
• Press Read. The instrument will perform the reading. The instrument displays concentration in mg/L of
phosphorus (P).
• Press ▲ or ▼ to convert the result in mg/L of phosphate (PO
4
3
-) or mg/L of P
2
O
5
.