Hanna Instruments c 99 Manuel D’Utilisation

104

Nitrite HR

SPECIFICATIONS

Range

0 to 150 mg/L

Resolution

1 mg/L

Accuracy

±4 mg/L ±4% of reading

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 141.

MEASUREMENT PROCEDURE

• Select the program number corresponding to Nitrite HR on the

secondary LCD by pressing PROGRAM W and V.

• Fill the cuvet up to the mark with 10 mL

of unreacted sample and replace the cap.

• Place the cuvet into the holder and

ensure that the notch on the cap is
positioned securely into the groove.

• Press ZERO and “SIP” will blink on the display.

• Wait for a few seconds and the display will

show “-0.0-”. Now the meter is zeroed
and ready for measurement.