HI711 – Total Chlorine Checker® HC

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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.

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

Total Chlorine Range	0.00 to 3.50 ppm
Total Chlorine Resolution	0.01 ppm
Total Chlorine Accuracy	±0.03 ppm ±3% of reading
Chlorine Method	adaptation of USEPA method 330.5, DPD method
Photometer/Colorimeter Light Source	LED @ 525 nm
Photometer/Colorimeter Light Detector	silicon photocell
Battery Type/Life	(1) 1.5V AAA
Automatic Shut-Off	after two 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	81.5mm x 61mm x 37.5mm (3.2″ x 2.4″ x 1.5”)
Ordering Information	HI711 Checker® is supplied with (2) sample cuvettes with caps, total chlorine reagent starter kit for 6 tests (6 powder reagent packets), battery, instructions and quick start guide.

HI711 – Total Chlorine Checker® HC

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