Hanna Instruments HI 83209-01 - Manual (Page 39)

39 Nitrite HR
NITRITE HIGH RANGE
SPECIFICATIONS
Range 0 to 150 mg/L
Resolution 1 mg/L
Accuracy ±4 mg/L ±4% of reading at 25 °C
Typical EMC ±1 mg/L
Deviation
Light Source
Tungsten lamp with narrow band interference filter @ 575 nm
Method Adaptation of the Ferrous Sulfate method. The reaction between nitrite and the
reagent causes a greenish-brown tint in the sample.
REQUIRED REAGENTS
Code Description Quantity
HI 93708-0 Powder reagent 1 packet
REAGENT SETS
HI 93708-01 Reagents for 100 tests
HI 93708-03 Reagents for 300 tests
For other accessories see page 65.
MEASUREMENT PROCEDURE
• Select the Nitrite HR method using the procedure described
in the Method Selection section (see page 12).
• Fill the cuvette up to the mark with 10 mL of unreacted
sample 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