Hanna Instruments HI 95725C User Manual
Page 10

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• Press ZERO/SET and “SIP” will blink on
the display.
• After a few seconds the display will show
“-0.0-”. Now the meter is zeroed and
ready for measurement.
• Add 5 drops of HI 93710-0 reagent. Replace
the cap and mix the solution.
• Reinsert the cuvet into the holder and
ensure that the notch on the cap is
positioned securely into the groove.
• Remove the cuvet.
• Press READ and “SIP” will blink during
measurement.
• The instrument directly displays the pH
value on the the Liquid Crystal Display.
pH
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
Range
6.5 to 8.0 pH
Resolution
0.1 pH
Precision
±0.1 @ 7.2 pH
Method
Adaptation of the Phenol Red method. The reaction with the reagent causes a
yellow to red tint in the sample.
REQUIRE REAGENTS
REQUIRE REAGENTS
REQUIRE REAGENTS
REQUIRE REAGENTS
REQUIRE REAGENTS
Code
Description
Quantity/test
HI 93710-0
pH Reagent
5 drops
REAGENT SETS
REAGENT SETS
REAGENT SETS
REAGENT SETS
REAGENT SETS
HI 93710-01
Reagents for 100 tests
HI 93710-03
Reagents for 300 tests
For other accessories see page 24.
pH
MEASUREMENT
MEASUREMENT
MEASUREMENT
MEASUREMENT
MEASUREMENT
• Fill the cuvet with 10 mL of unreacted
sample, up to the mark, and replace the
cap.
For most accurate results, use of a class A
laboratory pipette is recommended.
• Place the cuvet into the holder and ensure
that the notch on the cap is positioned
securely into the groove.
• Select the parameter code for pH “PH” by
holding ZERO/SET (see page 12).
pH