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Home>All Products>Parameters>Calcium>Calcium - Checker HC>Marine Calcium Checker® HC – HI758
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Marine Calcium Checker® HC – HI758

The Hanna Marine Calcium 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 Calcium 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.

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

Estimated delivery: 13 - 14 July

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SKU:HI758

The HI758 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost-effective way to measure calcium. Required for the development of calcium carbonate skeletons of coral reefs, calcium is a crucial component of marine waters. Designed as a more accurate alternative to chemical test kits, the HI758 provides quick, accurate results in four easy steps:

How to use Hanna Checker Handheld Colorimeter

*To zero: 1 ml of reagent A is added to deionized/distilled water as a blank.

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: Saltwater Aquariums, Aquaculture, Water Quality, Environmental, Education

Video

Specifications

SKUHI758
NameMarine Calcium Checker® HC – HI758U
Calcium Range200 to 600 ppm
Calcium Resolution1 ppm
Calcium Accuracy±6% of reading
Calcium Methodadaptation of the Zincon method.
Photometer/Colorimeter Light SourceLED @ 610 nm
Photometer/Colorimeter Light Detectorsilicon photocell
Battery Type/Life(1) 1.5V AAA
Automatic Shut-Offafter ten minutes of non-use
Environment0 to 50°C (32 to 122°F); RH max 95% non-condensing
Weight64 g (2.25 oz.)
Dimensions81.5mm x 61mm x 37.5mm (3.2 in. x 2.4 in. x 1.5”)

Ordering Info

HI758 Calcium Checker is supplied with (2) sample cuvettes with caps, calcium reagent starter kit for 25 tests, dropper,1 ml syringe with tip, 100 microliter pipette with tips, plastic pipette, battery, instructions and quick start guide.

Manuals

Marine Calcium Checker® HC – HI758U

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