Checker pocket photometer for Alkalinity (=KH) in seawater | S/M

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HI755 Details:
The Hanna Marine Alkalinity Checker® bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Professional instrumentation incorporates a light source such as an LED or tungsten lamp with a filter and a light sensing detector to precisely determine absorbance and ion concentration. Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Marine Alkalinity Checker® measures alkalinity in parts per million (ppm) of calcium carbonate (CaCOsub3/sub) , using a fixed wavelength LED and silicon photo detector to provide the accuracy of professional instrumentation at the affordable price of a chemical test kit.

Compact, Portable Design
Built-in Timer
One-Button Operation

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The HI755 Checker®HC (Handheld Colorimeter) provides a simple, accurate and cost-effective way to measure alkalinity. Crucial in marine environments, alkalinity provides both the carbonate ion required for calcium carbonate skeletal regeneration of coral reefs, as well as a pH buffer against large changes in acidity. Designed as a more accurate alternative to chemical test kits, the HI755 provides quick, accurate results in four easy steps:
divimg src=https://hannacan.com/wp-content/inline-images/products/checkers/checker1234.jpg"How to use Hanna Checker Handheld Colorimeterwidth=600height=448
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: Water Quality, Environmental, Education, Industrial

SKU
HI755

Name
Marine Alkalinity Checkersup®/sup HC – HI755

Seawater Alkalinity Range
0 to 300 ppm

Seawater Alkalinity Resolution
1 ppm

Seawater Alkalinity Accuracy
±5 ppm (mg/L) ±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
81.5mm x 61mm x 37.5mm (3.2 in. x 2.4 in. x 1.5”)

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HI755 Checkersup®/sup is supplied with (2) sample cuvettes with caps, alkalinity reagent starter kit for 25 tests (1 bottle of alkalinity reagent), ­­­(1) battery, instructions and quick start guide.