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Hanna HI97757 Ozone Portable Photometer
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Hanna HI97757 Ozone Portable Photometer

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  • Ozone range: 0.00-2.00 mg/L
  • Measurement method: DPD Colorimetric Method
  • Battery life: Over 800 measurements
  • Waterproof rating: IP67, floating case
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Hanna HI97701 Advanced Free Chlorine Portable Photometer
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Hanna HI97701 Advanced Free Chlorine Portable Photometer

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  • Range: 0.00 to 5.00 mg/L
  • Battery life: >800 measurements
  • Accuracy: ±0.03 mg/L ±3%
  • Auto-off: 15 minutes of inactivity
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Hanna HI96785 Honey Color Portable Photometer
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Hanna HI96785 Honey Color Portable Photometer

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  • Range: 0 to 150 mm Pfund
  • Resolution: 1 mm Pfund
  • Light Source: Tungsten lamp
  • Power Source: One 9V battery
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