Hanna-instruments HI 83216-01 Manual do Utilizador descarregar pdf (Página 25)

SPECIFICATIONS

Range 0.00 to 5.00 mg/L

Resolution 0.01 mg/L from 0.00 to 2.50 mg/L;

0.10 mg/L above 2.50 mg/L

Accuracy ±0.03 mg/L ±3% of reading at 25 °C

Typical EMC ±0.01 mg/L

Deviation

Light Source Tungsten lamp with narrow band interference filter @ 525 nm

Method Adaptation of the USEPA method 330.5 and

Standard Methods for the Examination

of Water and Wastewater, 20

edition

, 4500-Cl G. The reaction between free chlorine

and the DPD reagent causes a pink tint in the sample.

REQUIRED REAGENTS

Code Description Quantity

HI 93701-0 DPD powder Reagent 1 packet

REAGENT SETS

HI 93701-01 Reagents for 100 tests

HI 93701-03 Reagents for 300 tests

For other accessories see page 34.

MEASUREMENT PROCEDURE

• Select the

Free Chlorine

method using the procedure described in the

Method Selection

section (see

page 15).

• 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.

Free Chlorine

FREE CHLORINE

10 mL

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Hanna-instruments HI 83216-01 Manual do Utilizador Página 25