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The Hanna Iodine 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 ion concentration. Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Iodine 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.
|Range||0.0 to 12.5 ppm (mg/L)|
|Resolution||0.1 ppm (mg/L)|
|Accuracy @ 25°C/77°F||±0.1 ppm ±5% of reading|
|Light Source||LED @ 525 nm|
|Light Detector||silicon photocell|
|Method||adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, DPD 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||81.5mm x 61mm x 37.5mm (3.2" x 2.4" x 1.5”)|
|Weight||64 g (2.25 oz.)|
|Ordering Information||HI718 Checker® is supplied with (2) sample cuvettes with caps, iodine reagent starter kit for 6 tests (6 powder reagent packets), battery instructions and quick start guide|