Hanna-instruments HI 83218 Uživatelský manuál stáhnout pdf (Strana 26)

10 mL

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 34.

MEASUREMENT PROCEDURE

• Select the

Nitrite HR

method using the procedure described in the

Method Selection

section (see

page 11).

• 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.

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Hanna-instruments HI 83218 Uživatelský manuál Strana 26