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Hanna HI739 High Range Fluoride Colorimeter – Checker® HC
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Hanna HI739 High Range Fluoride Colorimeter – Checker® HC

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  • Range: 0.0 to 20.0 ppm
  • Resolution: 0.1 ppm
  • Accuracy: of reading
  • Light Source: LED at 575 nm
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Hanna HI723 High Range Chromium VI Colorimeter Checker® HC
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Hanna HI723 High Range Chromium VI Colorimeter Checker® HC

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  • Single-button operation
  • Direct digital results
  • Built-in timer
  • Auto shut-off feature
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