Hanna-instruments HI 83200-01 Manual de usuario descargar pdf (Pagina 24)

46 47

Color of Water

# 3

• Fill the second cuvette up to the mark with unfiltered sample and

replace the cap. This is the apparent color.

• Filter 10 mL of sample through a filter with a 0.45 µm membrane into the

third cuvette, up to the 10 mL mark and replace the cap. This is the true

color.

• Insert the apparent color cuvette (# 2) into the instrument and

close the lid.

• Press READ to start the reading.

• The meter displays the value of apparent color in PCU.

• Remove the cuvette, insert the true color cuvette (# 3) into the

instrument and ensure that the notch on the cap is positioned

securely into the groove.

• Press READ to start the reading. The meter displays the value of true color in PCU.

10 mL

# 2

# 3

# 2

Color of Water

COLOR OF WATER

SPECIFICATIONS

Range 0 to 500 PCU (Platinum Cobalt Units)

Resolution 1 PCU

Accuracy ±10 PCU ±5% of reading

Typical EMC ± 1 PCU

Deviation

Light Source Tungsten lamp with narrow band interference filter @ 420 nm

Method Adaptation of the

Standard Methods for the Examination of Water and Wastewater,

edition

, Colorimetric Platinum Cobalt method.

REQUIRED ACCESSORIES

0.45 µm membrane for true color measurement.

For other accessories see page 128.

MEASUREMENT PROCEDURE

• Select the

Color of Water

method using the procedure described in

the

Method Selection

section (see page 12).

• Fill one cuvette up to the mark with deionized water and replace

the cap. This is the blank.

• Place the blank (# 1) into the holder and close the lid.

• Press ZERO key. The meter will show “-0.0-” when the meter is

zeroed and ready for measurement.

• Remove the blank.

10 mL

# 1

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Hanna-instruments HI 83200-01 Manual de usuario Pagina 24

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