106
pH
pH
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 132.
MEASUREMENT PROCEDURE
• Select the
pH method using the procedure described in the
Method Selection section (see page 12).
• 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.
10 mL