Hanna Instruments HI83326, Instruction Manual, Page: 31 / 80

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METHOD PROCEDURES
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ALK
ALINITY
10. METHOD PROCEDURES
10.1. ALKALINITY
SPECIFICATIONS
Range 0 to 500 mg/L (as CaCO
3
)
Resolution 1 mg/L
Accuracy ±5 mg/L ±5% of reading at 25 °C
Light Source LED with narrow band interference filter @ 610 nm
Method Colorimetric Method
REQUIRED REAGENTS
Code Description
Quantity
HI775S Alkalinity Reagent 1 mL
HI93755-53 Chlorine Removal Reagent 1 drop
REAGENT SETS
HI775-26 Reagents for 25 tests
For other accessories see ACCESSORIES section.
MEASUREMENT PROCEDURE
• Select the Alkalinity method using the procedure described in the METHOD SELECTION section.
• Fill the cuvette with 10 mL of unreacted sample (up to the mark).
Replace the plastic stopper and the cap.
• Insert the cuvette into the holder and close the lid.
• Press Zero . The display will show “-0.0-” when the meter is zeroed and ready for measurement.
10 mL