Hanna Instruments

Total Chlorine Colorimeter HI711 Hanna Checker - Fresh Water

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Four simple steps to results. Easily and accurately test for free chlorine with the Hanna Checker Colorimeter (HI 711). Designed to be a more accurate alternative to chemical test kits. First, add sample to the included cuvette. Next, insert the sample into the Checker and zero the instrument with your water sample. Then, remove the sample and add the reagent. Finally, place the vial into back into the Hanna Checker, press the button and read the results. Done.


Use in conjunction with the Hanna Checker Free Chlorine Colorimeter to help determine chloramines in your water.


Easier to use and more accurate than chemical test kits.

The HI 711 from Hanna Instruments uses EPA approved DPD method. Auto shut off after 10 minutes of non-use.


Dedicated to a single parameter

Two sample cuvettes and caps. Six packets of Free Chlorine powder reagents.


Small Size, Big Convenience

Weighing just 64 g (2.25 oz.), the Checker®HC easily fits into the palm of your hand or pocket. Use for quick and accurate on the spot analysis. Single button operation: Zero and Measure Operated by a single AAA battery. 

  • Range:0.00 to 3.50 ppm (mg/L)
  • Resolution: 0.01 ppm (mg/L)
  • Measurement Method: Colormetric
  • Accuracy: ±0.03 ppm (mg/L) ±3% of reading
  • Environment: 32 to 122° F(0 to 50°C); RH max 95% non-condensing
  • Light Source:LED @525 nm
  • Light Detector: Silicon photocell


Hanna Checker Total Chlorine Colorimeter Manual

More Information
Product Name Total Chlorine Colorimeter HI711 Hanna Checker - Fresh Water
SKU 208175
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