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Online pH/ORP Sensor，Optical DO，UV254 COD，BOD，TOC，Conductivity，Turbidity/SS，Chlorophylla，Blue-green Algae，Oil in Water，CDOM/fDOM，Ammonium，Transparency Sensor。
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Optical DO，Conductivity，UV254 COD，Turbidity，Oil in Water。
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Online and Portable ODO, pH/ORP, Temperature, Turbidity, Organics and Conductivity
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ODO of ppm level, ODO of ppb level, cell concentration and turbidity
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