Hanna Instruments HI 83203 - Manual (Page 33)

33 Nitrite HR
• Add the content of one packet of HI 93708-0 reagent.
Replace the cap and shake gently until completely dissolved.
• Reinsert the cuvette into the instrument.
• Press Timer and the display will show the countdown prior to the measurement or, alternatively, wait
for 10 minutes and press Read. When the timer ends the meter will perform the reading. The
instrument displays concentration in mg/L of nitrite.
• Press or to access the second level functions.
• Press the Chem Frm key to convert the result in mg/L of nitrogen-nitrite (NO
2
¯-N) and sodium nitrite
(NaNO
2
).
• Press or to return to the measurement screen.