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The Hanna Total Chlorine 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 Total Chlorine 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.
The Hanna Total Chlorine 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 Total Chlorine 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.
Discontinued!
This product has been discontinued and is no longer available.
There is no direct replacement, however we recommend the:
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The HI711 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure total chlorine. Chlorine is a popular disinfectant used in municipal water, fruits and vegetables, as well as equipment in the food and beverage industry. Though beneficial in destroying pathogens, levels greater than 4 parts per million (ppm) is harmful to humans and therefore, must be monitored. Designed as a more accurate alternative to chemical test kits, the HI711 provides quick, accurate results in four easy steps:
Features
Applications
| Range | 0.00 to 3.50 ppm |
| Resolution | 0.01 ppm |
| Accuracy @ 77°F/25°C | ±0.03 ppm, ±3% of reading |
| Light Source | LED @ 525nm |
| Light Detector | Silicon photocell |
| Method | Adaptation of the USEPA 330.5 and Standard Method 4500-Cl G |
| Environment | 32 to 122°F (0 to 50°C); RH max 95% non-condensing |
| Battery Type | 1.5 V AAA |
| Auto-off | After ten minutes of non-use |
| Dimensions | 3.2 x 2.4 x 1.5" (81.5 x 61 x 37.5 mm) |
| Weight | 64 g (2.25 oz) |
| Range | 0.00 to 3.50 ppm |
| Resolution | 0.01 ppm |
| Accuracy @ 77°F/25°C | ±0.03 ppm, ±3% of reading |
| Light Source | LED @ 525nm |
| Light Detector | Silicon photocell |
| Method | Adaptation of the USEPA 330.5 and Standard Method 4500-Cl G |
| Environment | 32 to 122°F (0 to 50°C); RH max 95% non-condensing |
| Battery Type | 1.5 V AAA |
| Auto-off | After ten minutes of non-use |
| Dimensions | 3.2 x 2.4 x 1.5" (81.5 x 61 x 37.5 mm) |
| Weight | 64 g (2.25 oz) |
