COD Sensor & Controller
Reliable digital sensing and multi-channel control platform designed for continuous, automated monitoring of organic pollutants in diverse water applications.
Reliable digital sensing and multi-channel control platform designed for continuous, automated monitoring of organic pollutants in diverse water applications.
Utilizing the UV254 absorption principle with a LED dual-beam structure to deliver high-accuracy monitoring of dissolved organics without the need for costly chemical reagents.
Supports versatile measurement ranges up to 1500mg/L for COD and 600mg/L for TOC, providing a comprehensive solution for both clean water and heavily polluted samples.
Features an integrated mechanical wiper system with low power consumption (3W during cleaning) to prevent biofouling and scale, ensuring long-term stability in harsh wastewater.
COD：0.75-500mg/L TOC：0.3-200mg/L
2-5 weeks
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pH、ORP、Cond、DO、Tur、TSS、COD、NH4-N、OIW、Cl、Disinf、Ion、Chl、BGA、NO3、CDOM、DFS、Colorim.
2-5 weeks
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pH、ORP、Cond、DO、Tur、TSS、COD、NH4-N、OIW、Cl、Disinf、Ion、Chl、BGA、NO3、CDOM、DFS、Colorim.
2-5 weeks
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Download the full technical datasheet or contact our engineering team for a customized project quote today.
The rapid 1-minute response time enables immediate detection of organic load spikes, providing the critical real-time data needed for automated process control and early warning systems.
Utilizing ultra-stable LED light sources, the sensor maintains minimal zero-point drift over long-term operation, ensuring data consistency and reducing the need for frequent manual recalibration.
The system features secure password protection and non-volatile memory that permanently retains all calibration and configuration data, even during unexpected power outages, for uninterrupted regulatory compliance.
Featuring a multilingual interface with a 3.2-inch graphic LCD and intuitive 8-button navigation, the controller simplifies field commissioning and daily operation for international technical teams.
A high-capacity industrial desalination plant in the UAE faced frequent, costly reverse osmosis (RO) membrane fouling due to undetected organic spikes, urgently requiring a real-time COD monitoring system for early warning and membrane protection.
This solution integrates the COD351 UV254 sensor with the MCC500 multi-channel controller, enabling synchronized monitoring of intake organics and post-treatment water quality via a single digital interface.
By providing instant organic breakthrough alerts, the system extended RO membrane lifespan by 30% and eliminated emergency shutdown costs, delivering a full return on investment within just three months of operation.
A centralized industrial wastewater plant in the USA struggled with sudden toxic influent spikes that crashed their biological treatment stages, requiring a high-frequency COD monitoring system to trigger automated diversion and protect sensitive microbial populations.
This configuration utilizes the COD351 digital sensor paired with the DUC200 universal controller, leveraging its rapid response time and programmable relay outputs to trigger immediate influent diversion during organic spike events.
By preventing process-wide biological failures, the system saved the facility over tens of thousands of US dollars in reseeding and recovery costs per incident, while ensuring 100% compliance with EPA discharge regulations.
A leading chemical manufacturing plant required precise pH control for their high-acid effluent neutralization process in Spain.
Daruifuno ASP300 series composite pH sensors paired with APX2-C1 digital controllers.
Our solid-electrolyte sensors eliminated junction clogging caused by chemical precipitates, reducing maintenance frequency by 60% and ensuring total compliance with environmental discharge standards.
Chemical Oxygen Demand (COD) measures the amount of oxygen required to chemically oxidize organic pollutants in water, serving as a critical indicator of overall water quality and industrial discharge compliance. Unlike traditional chemical titration methods that take hours and use hazardous reagents, our sensors utilize the UV254 absorption principle to provide instantaneous, reagent-free measurements. By analyzing the specific light absorption of organic compounds at a 254 nm wavelength, the system delivers continuous real-time data for proactive process control and environmental protection.
As a cornerstone of ESG-driven industrial water management, real-time COD monitoring using reagent-free UV254 technology empowers facilities to drastically reduce their carbon footprint by optimizing treatment efficiency and eliminating hazardous chemical waste. This sustainable sensing approach not only ensures 100% regulatory compliance but also protects local biodiversity by preventing organic overloads, supporting the global transition toward circular economy and zero-liquid discharge (ZLD) goals.
Get a competitive factory-direct quote and a free technical consultation within 12 hours to optimize your water treatment costs.
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