DUC2-COD digital online COD Controller (transmitter) from Darifonuo is a multifunctional instrument designed for water quality monitoring. It seamlessly connects with the UV absorption digital
COD Sensor to achieve real-time monitoring of COD values in water. This controller is widely used in water treatment plants, sewage treatment facilities, and industrial production processes where continuous evaluation of COD trends is necessary.
Function:
Compatibility: Fully compatible with all Daruifuno digital COD sensors, ensuring broad applicability.
Multi-parameter Display: Displays not only COD values but also parameters such as TOC, TU, and BOD (Biological Oxygen Demand), providing comprehensive water quality information.
Sensor Status Query: Allows querying the working status of the DO (Dissolved Oxygen) sensor, including reading the serial number, facilitating maintenance and management.
Data Recording: Features time and historical data recording capabilities, capable of storing up to 10,000 historical data points for easy analysis and traceability.
Specifications:
Display Range and Resolution: The display range spans from 0 to 1500 mg/L, with a resolution of 0.01 mg/L, ensuring precise readings.
Control Output: Equipped with two configurable SPST relays and two configurable 0/4~20 mA active current loop outputs to meet various control needs.
Communication Interface: Features an RS485 interface, supports the Modbus RTU communication protocol, and is compatible with JSON text data format, facilitating data integration and remote monitoring.
Display Screen: A 3.2-inch large LCD screen with a resolution of 128x64 pixels, supporting adjustable backlight mode and display rate for a clear and easy-to-read interface.
User-Friendliness: The English interface is concise and intuitive, with password protection to prevent misoperation.
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Physical and Environmental Characteristics:
Shell and Protection: Constructed with enhanced ABS material, boasting an IP66 protection rating, making it waterproof and resistant to fouling, suitable for harsh environments.
Installation Methods: Supports multiple installation methods, including wall-mounted, pipe clamp, and panel mount (with a cutout size of 138x138 mm), offering flexibility to adapt to different scenarios.
Electrical Interface: Three M12x1.5 connectors are reserved at the back end, accepting wire diameters ranging from 3 to 6.5 mm, facilitating wiring and maintenance.
Power Supply and Power Consumption: Supports power supply voltages ranging from 100 to 240 V AC (50/60 Hz) or 18 to 36 V DC, with a power consumption of 7 W, promoting energy efficiency and environmental protection.
Working and Storage Temperatures: The working temperature range is 0°C to 60°C, with a relative humidity less than 95% (no condensation); the storage temperature range is -20°C to 70°C, with a relative humidity less than 55% (no condensation, for precision instruments).
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In summary, Daruifuno's DUC2-COD online COD controller, with its excellent performance, rich functionality, and wide range of application scenarios, has become a preferred tool in the field of water quality monitoring.
Suzhou Delfino Environmental Technology Co., Ltd.
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