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AMMONIA LOW RANGE
8.3. AMMONIA LOW RANGE
SPECIFICATIONS
Range
0.00 to 3.00 mg/L (as NH
3
‑N)
Resolution
0.01 mg/L
Accuracy
±0.04 mg/L ±4% of reading at 25 °C
Light Source
LED with narrow band interference filter @ 420 nm
Method
Adaptation of the ASTM Manual of Water and Environmental Technology,
D1426 Nessler method.
REQUIRED REAGENTS
Code
Description Quantity
HI93700A‑0
Ammonia Low Range Reagent A
4 drops
HI93700B‑0
Ammonia Low Range Reagent B
4 drops
REAGENT SETS
HI93700‑01
Reagents for 100 tests
HI93700‑03
Reagents for 300 tests
For other accessories see page 87.
MEASUREMENT PROCEDURE
• Select the
Ammonia LR
method
using the procedure described in the
Method Selection section (see page 17).
• Fill the cuvette 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