Hanna-instruments HI 83266 Bedienungsanleitung PDF herunterladen (Seite 11)

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SPECIFICATIONS

Range 0 to 500 mg/L (as CaCO

)

Resolution 5 mg/L

Accuracy ±5 mg/L ±10% of reading at 25 °C

Typical EMC ±5 mg/L

Deviation

Light Source Tungsten lamp with narrow band interference filter @ 575 nm

Method Colorimetric Method. At different alkalinity levels a distinctive range of colors from yellow

to green and greenish blue will develop.

REQUIRED REAGENTS

Code Description Quantity/test

HI 93755-0 Alkalinity Indicator Reagent 1 mL

REAGENT SETS

HI 93755-01 Reagents for 100 tests

HI 93755-03 Reagents for 300 tests

For other accessories see page 46.

MEASUREMENT PROCEDURE

• Select the

Alkalinity

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.

• Press the Zero key. The display will show “-0.0-” when the meter is zeroed and ready for

measurement.

ALKALINITY

Alkalinity

10 mL

• Remove the cuvette.

• Carefully add exactly 1 mL of HI 93755-0 Liquid Alkalinity

Reagent using the supplied syringe.

• Replace the cap and invert 5 times.

• Reinsert the cuvette into the instrument and close the lid.

• Press Read to start the reading.

• The instrument displays the results in mg/L of alkalinity (CaCO

Note: If using a meter with software version 1.14 or earlier, readings can be improved for samples

with less than 75 ppm alkalinity by adding 0.7 mL of reagent instead of 1.0 mL.

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Hanna-instruments HI 83266 Bedienungsanleitung Seite 11