HI97711 Free & Total Chlorine Photometer

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HI97711 Manual:

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The HI97711 Free and Total Chlorine 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 water quality testing needs. The HI97711 measures free and total chlorine in water samples from 0.00 to 5.00 mg/L (ppm).


  • No warm up time needed before taking a measurement
  • Guides you through setup, calibration, and testing with on-screen tutorials
  • Data logging - Automatically saves the last 50 measurements
  • Exclusive CAL Check function provides a quick and easy way to ensure accuracy
  • Auto-off, to prolongs battery life, and a low battery warning
  • 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 Chlorine: 0.00 to 5.00 mg/L (ppm)
    • Total Chlorine: 0.00 to 5.00 mg/L (ppm)
  • Resolution:
    • Free: 0.01 mg/L (ppm)
    • Total: 0.01 mg/L (ppm)
  • Accuracy:
    • Free: ±0.03 mg/L ±3% of reading
    • Total: ±0.03 mg/L ±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.) 


HI97711 Manual: