checker

The Hanna Free Chlorine Checker® bridges the gap between simple chemical test kits and professional instrumentation.

The Hanna Marine Low Range Nitrate 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.

The Hanna Total Chlorine Checker® bridges the gap between simple chemical test kits and professional instrumentation.

The Hanna Total Chlorine Ultra High Range Checker® bridges the gap between simple chemical test kits and professional instrumentation.

The Hanna Total Chlorine Ultra Low-Range Checker® bridges the gap between simple chemical test kits and professional instrumentation.

The Hanna Color of Water Checker® is an affordable alternative to professional instrumentation for measuring the color of drinking water.

The Hanna Marine Alkalinity Checker® bridges the gap between simple chemical test kits and professional instrumentation.

The Hanna Marine Alkalinity (dKH) Checker® bridges the gap between simple chemical test kits and professional instrumentation.

The HI782 Marine Nitrate High Range Colorimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwater aquariums and marine applications.

HI7024-11 Pool Line High Range Copper Checker® HC Calibration Check Set provides a simple solution to validating the performance of the HI7024 Pool Line Copper Checker HC in the range of 0.00 to 5.00 ppm. This high-quality set of standards is manufactured in our state-of-the-art facility and comes supplied with a Certificate of Analysis.

HI7134-11 Pool Line Low Range Phosphate Checker® HC Calibration Check Set provides a simple solution to validating the performance of the HI7134 Pool Line Phosphate Low Range Checker HC (Handheld Colorimeter). This high-quality set of standards is manufactured in our state-of-the-art facility and comes supplied with a Certificate of Analysis.

HI7214-11 Pool Line Iron Checker® HC Calibration Check Set provides a simple solution to validating the performance of the HI7214 Pool Line Iron Checker HC (Handheld Colorimeter). This high-quality set of standards is manufactured in our state-of-the-art facility and comes supplied with a Certificate of Analysis.

HI7754-11 Pool Line Alkalinity Checker® HC Calibration Check Set provides a simple solution to validating the performance of the HI7754 Pool Line Alkalinity Checker HC (Handheld Colorimeter). This high-quality set of standards is manufactured in our state-of-the-art facility and comes supplied with a Certificate of Analysis.

HI7014-11 Pool Line Free Chlorine Checker® HC Calibration Check Set provides a simple solution to validating the performance of the HI7014 Pool Line Free Chlorine Checker HC (Handheld Colorimeter). This high-quality set of standards is manufactured in our state-of-the-art facility and comes supplied with a Certificate of Analysis.

The HI731315 are spare glass cuvettes and plastic caps used with the HI7XX Checker® HC colorimeters. Each cuvette has a 10 ml level mark to measure the appropriate volume. The HI731315 includes 2 cuvettes and 2 caps.