NBL-WQ-BOD-4A

Description

In online water quality monitoring projects, traditional BOD measurement relies on laboratory incubation methods, which have long cycles, frequent maintenance, and are easily interfered by turbidity and particulate matter, resulting in data lag and insufficient system stability. The NiuBoL NBL-WQ-BOD-4A online BOD sensor adopts the dual-wavelength fluorescence method for direct immersion measurement. Without reagents, it can output BOD, turbidity and temperature parameters in real time and continuously, significantly reducing operating costs and improving data reliability. Core Advantages Reagent-free, pollution-free: Avoids chemical reagent consumption and secondary pollution, meeting environmental protection and economic requirements. Anti-interference, high stability: Reference light compensates for turbidity interference, and a dedicated algorithm eliminates the influence of particulate matter, with small long-term drift. Easy integration, maintenance-free: RS-485 Modbus/RTU digital output, low power consumption design, built-in self-cleaning brush, IP68 full immersion protection, suitable for unattended scenarios. The NiuBoL NBL-WQ-BOD-4A online BOD sensor is specially designed for industrial water treatment, environmental monitoring and municipal engineering. It provides a high-precision, strong anti-interference solution for monitoring dissolved organic matter. The sensor utilizes the characteristic that dissolved organic matter in water absorbs ultraviolet light and excites fluorescence. Through dual light sources (ultraviolet measurement light + reference light), it accurately quantifies BOD content. It also integrates turbidity compensation and temperature monitoring, providing multiple parameters in one device and simplifying system integration complexity. This sensor is particularly suitable for engineering projects with high requirements for real-time performance and stability. Without complex pretreatment or frequent calibration, it can achieve continuous online monitoring, helping system integrators and engineering contractors build efficient and reliable water quality monitoring networks to meet environmental discharge standards and process optimization needs. Main Technical Advantages of NBL-WQ-BOD-4A Online Water Quality Monitoring BOD Sensor NiuBoL NBL-WQ-BOD-4A adopts a mature dual-wavelength fluorescence measurement principle. One ultraviolet light excites organic matter fluorescence to quantify BOD, and the other reference light simultaneously monitors water turbidity. Through a dedicated algorithm, it compensates for light path attenuation and particulate suspension interference in real time, ensuring that the measured values maintain high accuracy and repeatability in complex water quality environments. Hardware Reliability Design: The shell material is a combination of POM engineering plastic and 316L stainless steel, which is corrosion-resistant and anti-biological attachment. Protection level IP68, supports full immersion installation, working pressure <0.1 MPa, adapts to 0～45℃ on-site environment. Built-in self-cleaning brush, effectively prevents biofilm and dirt from attaching to the measurement window and extends the maintenance cycle. Algorithm and Signal Optimization: Automatic turbidity interference compensation, reducing the influence of suspended particles on the fluorescence signal. Digital signal processing, low-power electronic circuit (0.2W@12V), anti-electromagnetic interference design. Small drift, fast response, and excellent stability maintained during long-term continuous monitoring. Integration Friendliness: Standard RS-485 interface, Modbus/RTU protocol, easy to seamlessly connect with PLC, DCS, SCADA and other host systems. Two-point calibration method (zero point + slope), simple operation, stable calibration data. Standard cable length 5 meters, customizable, supports long-term underwater or exposed environment wiring (waterproof and anti-corrosion treatment required). These features make NBL-WQ-BOD-4A the preferred solution for system integrators in sewage treatment, river management and industrial park monitoring projects, significantly reducing on-site maintenance workload and overall ownership cost.