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136
8.42. NITRITE LOW RANGE
SPECIFICATIONS
Range
0 to 600 µg/L (as NO
2
‑
‑N)
Resolution
1 µg/L
Accuracy
±20 µg/L ±4% of reading at 25 °C
Light Source
LED with narrow band interference filter @ 466 nm
Method
Adaptation of the EPA Diazotization method 354.1.
REQUIRED REAGENTS
Code
Description Quantity
HI93707‑0
Nitrite Low Range Reagent
1 packet
REAGENT SETS
HI93707‑01
Reagents for 100 tests
HI93707‑03
Reagents for 300 tests
For other accessories see page 200.
MEASUREMENT PROCEDURE
• Select the
Nitrite LR
method using the procedure described
in the Method Selection section (see page 18).
• Fill the cuvette up to the mark with 10 mL of unreacted
sample (up to the mark) and replace the cap.
• Place the cuvette into the holder and close the lid.
• Press the
Zero
key. The display will show “‑0.0‑” when the meter is zeroed and ready for
measurement.
• Remove the cuvette.
10 mL
NITRITE LOW RANGE