137
NITRITE LOW RANGE
• Add one packet of HI93707‑0 Nitrite Low Range Reagent.
Replace the cap and shake gently for about 15 seconds.
• 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 15 minutes and press Read. When the timer ends the meter will perform the reading.
The instrument displays concentration in µg/L of nitrite-nitrogen (NO
2
-
-N).
• Press or to access the second level functions.
• Press the Chem Frm key to convert the result to µg/L of nitrite (NO
2
-
) and sodium nitrite
(NaNO
2
).
• Press or to return to the measurement screen.
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