Product Description

Hanna HI-772 Marine Alkalinity (dKH) Checker HC

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The HI772 Checker^®HC (Handheld Colorimeter) provides a simple, accurate and cost-effective way to measure alkalinity in degrees of calcium hardness, commonly abbreviated as dKH. Critical to marine environments, alkalinity not only provides the carbonate ion required for calcium carbonate skeletal regeneration of coral reefs, but it also acts as a pH buffer against large changes in acidity. Designed as a more accurate alternative to chemical test kits, the HI772 provides quick, accurate results in four easy steps:

Features at-a-glance

Easier to use and more accurate than chemical test kits
Dedicated to a single parameter
Small size, big convenience
Ideal for: Aquaculture & Aquariums, Water Quality

Specifications Hanna HI-772 Marine Alkalinity (dKH) Checker HC


SKU	HI772
Product Name	Marine Alkalinity (dKH) Checker HC – HI772
Quote Required	Yes
Seawater Alkalinity Range	0.0 to 20.0 dKH
Seawater Alkalinity Resolution	0.1 dKH
Seawater Alkalinity Accuracy	±0.3 dKH ±5% of reading
Seawater Alkalinity Method	colorimetric method.
Photometer/Colorimeter Light Source	LED @ 610 nm
Photometer/Colorimeter Light Detector	silicon photocell
Battery Type/Life	(1) 1.5V AAA
Automatic Shut-Off	after ten minutes of non-use
Environment	0 to 50°C (32 to 122°F); RH max 95% non-condensing
Weight	64 g (2.25 oz.)
Dimensions	86.0 mm x 61.0 mm x 37.5 mm (3.4″ x 2.4″ x 1.5″)
Ordering Information	HI772 Checker® is supplied with (2) sample cuvettes with caps, alkalinity reagent starter kit for 25 tests (1 bottle of alkalinity reagent), (1) 1 ml syringe and tip, battery, instructions, and quick start guide.