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Hanna Instruments
347462874115

Hanna Alkalinity (dKH) Checker

    $73.95

    Hanna Alkalinity Checker HI722 that makes checking your tanks parameters easy - already converted!
    Free pickup in our shop(s)

    SKU: HN-CKDH2

    In Stock

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      Hanna Alkalinity Checker

      Handheld Checker for Alkalinity (dKH)- HI772

      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 Alkalinity Checker Features

      • Compact and Portable Design.
      • Built-In Timer
      • One Button Operation
      • Easier to use and more accurate than chemical test kits
      • Dedicated to a single parameter
      • Ideal for: Water Quality, Environmental, Education, Industrial

      Hanna Alkalinity Checker- HI772 Specifications

      • Range: 0 - 20 dKH
      • Resolution: 0.1 dKH
      • Accuracy: +/- 0.3dKH, +/- 5% of reading (based on water temperature of 25c or 77f)
      • Light Source: LED @ 610nm
      • Light Detector: Silicon Photocell
      • Method: Colorimetric Method
      • Operating Environment: 0-50 degrees Celsius, RH max 95% non-condensing
      • Battery Type: 1 - 1.5v AA
      • Auto-Shutoff: Automatically shuts off after 10 minutes of non-use.
      • Dimensions: 81.5mm x 61mm x 37.5mm (3.2" x 2.4" x 1.5")
      • Weight: 64 grams (2.25oz)
      • Warranty: 6 month manufacturer limited warranty


      href="http://www.jlaquatics.com/manuals/hanna/772_instructions.pdf" title="Hanna Alkalinity (dKH) Checker User Manual" target="New Window">Hanna HI-772 Alkalinity (dKH) Checker User Manual

      Customer Reviews

      Based on 6 reviews
      33%
      (2)
      50%
      (3)
      0%
      (0)
      0%
      (0)
      17%
      (1)
      R
      Rob Clark

      I did not purchase this item!

      J
      Jean Francois Brette
      tres bon

      fonctionne très bien mais de recharge pour i772
      Hanna Saltwater Aquarium Alkalinity Colorimeter (dKH) Reagents for HI772 (25 Tests)

      R
      Rory Kain
      Amazing, life saving

      Don’t know how I lived with out these , they save so much time and guess work!

      K
      Kevin Hopkinson
      Accurate tester

      I was having difficulty getting consistent results from API tests so I got this. The price was an bit much but this hobby is anything but cheap. I found the device very accurate and easy to use allowing for precise measurement of my Alk which helped monitor the tank for growing SPS. I would highly recommend this checker as it has helped me fend off RTN which will happen to SPS if your Alk gets too low.

      D
      Devin Kokoski
      Easy to use

      I received my Hanna Alkalinity Checker and right out of the box it met my expectations. A compact electronic tester to take the guesswork out of different colour hues was exactly what I wanted. I also order an additional reagent which is a good value once you have the original checker.

      Unfortunately my checker had an issue surrounding a bad battery error. I contacted J&L Aquatics who immediately followed up and provided me a contact for the Hanna Canada. After speaking to Hanna Canada the wonderful folks at J&L Aquatics were in constant communication and made sure I got a new checker within the week. A+ service by J&L Aquatics and someone who actually stands by warranty of a product.

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