Hanna-instruments HI 83266 Manual de usuario descargar pdf (Pagina 22)

42 43

SPECIFICATIONS

Range 6.5 to 8.5 pH

Resolution 0.1 pH

Accuracy ±0.1 pH at 25 °C

Typical EMC ±0.1 pH

Deviation

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

Method Adaptation of the Phenol Red method. The reaction with the reagent causes a yellow

to red tint in the sample.

REQUIRED REAGENTS

Code Description Quantity

HI 93710-0 Phenol Red Indicator 5 drops

REAGENT SETS

HI 93710-01 Reagents for 100 pH tests

HI 93710-03 Reagents for 300 pH tests

For other accessories see page 46.

MEASUREMENT PROCEDURE

• Select the

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.

• Remove the cuvette and add 5 drops of HI 93710-0 Phenol

Red Indicator. Replace the cap and mix the solution.

• Reinsert the cuvette into the instrument.

• Press the Read key to start the reading. The instrument displays the pH value.

10 mL

1 2 ... 17 18 19 20 21 22 23 24 25

Sin comentarios

Hanna-instruments HI 83266 Manual de usuario Pagina 22