Hach DR2400 - Page 449

Nitrite
Nitrite
Nitrite_AVPP_Low_DAZ_Eng_Ody.fm Page 3 of 6
5. Touch the timer icon.
Touch
OK.
A 20-minute reaction
period will begin.
6. When the timer
beeps, fill a sample cell
with at least 10 mL of
sample (this is the blank).
7. Wipe the blank and
place it into the cell
holder.
8. Touch Zero.
The display will show:
0.000 mg/L NO
2
–
–N
9. Wipe the AccuVac
Ampul and place it into
the cell holder. Read the
results.
10. Touch Read.
Results will appear in
mg/L NO
2
–
–N.
10 mL
Zero
Read