Hanna Instruments HI 83226-01 User Manual

Page 22

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

pH 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