Hanna Instruments HI701 Free Chlorine Checker® HC

Between inexpensive chemical test kits and sophisticated equipment is a gap that is filled by the Hanna Free Chlorine Checker®. Chemical test kits rely on the human eye to distinguish changes in hue, which limits their accuracy and resolution.

To precisely determine absorbance and ion concentration, professional instrumentation combines a light source, such as an LED or tungsten lamp, with a filter and a light sensing detector. Professional instrumentation might cost hundreds of dollars but provides superior resolution and precision.

The Hanna Free Chlorine Checker® offers the precision of specialized equipment at the cost-effective pricing of a chemical test kit by utilizing a fixed wavelength LED and silicon photo detector.

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