Hanna Marine Alkanity Checker (DKH)
Hanna Marine Alkanity Checker (DKH)
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Hanna Marine Alkanity Checker (DKH)
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® measures alkalinity in dKH units, 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
| Name | Marine Alkalinity (dKH) Checker® HC – HI772 |
| 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 in. x 2.4 in. x 1.5 in.) |
