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Hanna HI97752 Calcium & Magnesium Photometer
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Hanna HI97752 Calcium & Magnesium Photometer

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  • Calcium range: 0-400 mg/L
  • Magnesium range: 0-150 mg/L
  • Case ingress protection rating: IP67
  • Battery life: More than 800 measurements
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Hanna HI97720 Calcium Hardness Photometer
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Hanna HI97720 Calcium Hardness Photometer

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  • Range: 0.00 to 2.70 mg/L
  • Accuracy: ±0.11 mg/L
  • IP67-rated waterproof, floating case
  • Long battery life: >800 measurements
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Hanna HI97719 Magnesium Hardness Photometer
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Hanna HI97719 Magnesium Hardness Photometer

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  • Range: 0.00 to 2.00 mg/L
  • Accuracy: ±0.11 mg/L ± 5%
  • Battery Life: Over 800 measurements
  • Auto-off: After 15 minutes
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