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RC800D
Classification：
Yokogawa
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Product description
General
Chlorine treatment in water treatment systems, such as municipal water supplies, serves to destroy microorganisms, fungi, aquatic plants and shellfish that live in water, and thus to yield appropriate quality for the application. However, adding too much chlorine cause negative effects; in municipal water supplies, it may give the water an unpleasant chlorine odor; in industry, excessive chlorine may corrode plumbing; and in waste water this may release dangerous substances into streams and rivers. For this reason, it has become very important in recent years to use a residual chlorine analyzer when chlorine is added to water, in order to measure the concentration of chlorine, and to monitor and control this concentration.
Residual Chlorine Analyzer composed of RC800D Reagent type Residual Chlorine Sensor Unit and FLXA402T Liquid Analyzer for Turbidity and Chlorine is suitable for process manager and control at water treatment plant or plant/industrial water facility handling coolant or drinking water and for water quality control of large-scale boilers.
RC800D measures free chlorine or total chlorine by amperometric principle. It employs a polarographic method by rotating gold alloy electrode to provide continuous online measurement. By appropriate use of reagents, RC800D offers chlorine measurement system featuring separationperformance between residual chlorine measurement (free chlorine plus combined chlorine) and free chlorine measurement.
FLXA402T a next-generation analyzer is designed, being tailored from the well-received FLXA402 technical, to provide analysis with user-friendly color HMIs and digital communications. The technology of predictive maintenance prevents accidental shutdown of the factory. These functions help to reduce OPEX. RC800D has drastically improved maintainability and minimized the maintenance time.
Features
RC800D
■ Inherited the cleaning method with contaminationresistant rotating electrode and beads
■ Improved maintainability
• Easy clean up cell structure
• Rotation mechanism with belt/slip ring without adjustment
• Easy to find best condition by monitoring applied
voltage and plateau characteristic
■ Sampling system (Sand filter system) Selectable appropriate prechlorination treatment system according to user’s application.
FLXA402T
■ Diagnosis function
Motor rotation monitoring, empty cell detection, sensor condition check (zero point, Slope, stability during calibration)
■ Output signal: Linear or Polyline output (4-20 mA)
■ Communications
Analog output, Digital communication (Modbus RTU or Modbus TCP/IP)
■ Multilingual display
■ English, German, French, Chinese, Korean, Spanish, Portuguese, Japanese
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