HI97734 Free & Total Chlorine High Range Photometer

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The HI97734 Free and Total Chlorine High Range Photometer combines accuracy and ease of use in a simple, portable design.

The advanced optical system provides lab-quality accuracy, while its user-friendly design is easy for any user, making it the perfect photometer for your free and total chlorine (Cl2) measurements. Designed to withstand drops and spills, the IP67 body ensures top performance in any environment.


  • No warm up time needed before taking a measurement
  • Guides you through setup, calibration, and testing with on-screen tutorials
  • Uses either powder or liquid reagents
  • Auto-off, to prolongs battery life, and a low battery warning
  • Automatically logs the last 50 measurements, which can be instantly recalled
  • Internal optics are sealed from dust, dirt and water (IP67 rating) and it floats
  • Supplied complete with sample cuvettes & caps (2), plastic stoppers, batteries, manual and quality certificate
  • Two-Year Warranty


  • Ranges:
    • Free: 0.00 to 10.00 ppm
    • Total: 0.00 to 10.00 ppm
  • Resolution:
    • 0.01 ppm (up to 3.50 ppm)
    • 0.10 ppm (above 3.50 ppm)
  • Accuracy: ±0.03 ppm ±3% of reading
  • Logging: 50 readings (auto logging)
  • Power: Three Alkaline 1.5V AA Batteries (included)
  • Dimensions: 5.6" x 4.0" x 2.0" (143 x 103 x 51 mm)
  • Weight: 380 g (13.4 oz.)


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