2 zero (offset) calibration procedure, 3 restore factory settings – HF scientific CLX Online Residual Chlorine Monitor (Old) User Manual

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2 zero (offset) calibration procedure, 3 restore factory settings | HF scientific CLX Online Residual Chlorine Monitor (Old) User Manual | Page 20 / 37 2 zero (offset) calibration procedure, 3 restore factory settings | HF scientific CLX Online Residual Chlorine Monitor (Old) User Manual | Page 20 / 37
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