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Hanna Marine Alkalinity dKH Checker HI772

Product code: 5851
TE-HI772

Availability: In stock

Ships Monday, December 12 if ordered in the next 2 days, 14 hours and 23 minutes!

$49.00
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Hanna Marine Alkalinity dKH Checker HI772

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
  •  HI772 uses the same alkalinity reagent (755-26) as the HI755 alkalinity checker


The Hanna Marine Alkalinity (dKH) 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. This level of instrumentation also offers greater resolution and accuracy, but can cost hundreds of dollars. The Hanna Marine Alkalinity Checker® uses a fixed wavelength LED and silicon photo detector to provide the accuracy of professional instrumentation at the affordable price of a chemical test kit.

Hanna Marine Alkalinity dKH Checker HI772

Hanna Marine Alkalinity dKH Checker HI772 MANUAL

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
  •  HI772 uses the same alkalinity reagent (755-26) as the HI755 alkalinity checker


The Hanna Marine Alkalinity (dKH) 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. This level of instrumentation also offers greater resolution and accuracy, but can cost hundreds of dollars. The Hanna Marine Alkalinity Checker® uses a fixed wavelength LED and silicon photo detector to provide the accuracy of professional instrumentation at the affordable price of a chemical test kit.

Details

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.

Specifications

Range 0.0 to 20.0 dKH
Resolution 0.1 dKH
Accuracy @ 25°C/77°F ±0.3 dKH ±5% of reading
Light Source LED @ 610 nm
Light Detector silicon photocell
Method colorimetric method
Environment 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Battery Type (1) 1.5V AAA
Auto-off after ten minutes of non-use
Dimensions 86.0 mm x 61.0 mm x 37.5 mm (3.4" x 2.4" x 1.5")
Weight 64 g (2.25 oz.)
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 ml syringe and tip), ­­­ battery, instructions, and quick start guide.

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  1. Quick & Easy Review by Cameron
    Product Rating:

    This checker comes in a great sturdy case. It is very quick and easy to use. Being new to reefing, I was told to check alkalinity most often - this digital meter allows me to do that quickly without much mess. The dKH reading is a new feature for Hanna and I purchased this one since the hobby standard reading is in dKH - less math, more instant results.
    I wish it came with a calibration or testing agent. (Posted on 8/3/2016)


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