NiuBoL NBL-WQ-CL online residual chlorine sensor adopts the constant voltage method measurement principle, equipped with Pt1000 automatic temperature compensation, and supports RS-485 Modbus RTU output. It is suitable for continuous residual chlorine monitoring in drinking water treatment, swimming pools, industrial circulating cooling water, and hospital sewage disinfection projects, providing re···

NiuBoL NBL-WQ-BOD-4A dual-wavelength fluorescence online BOD sensor adopts the fluorescence method principle to simultaneously measure BOD and turbidity, with a range of 0～150mg/L. It outputs RS-485 Modbus RTU signals and supports system integrators to quickly connect to PLC, DCS and IoT platforms. It is suitable for real-time organic load monitoring in wastewater treatment processes.

This article analyzes the definition, detection principles, interrelationship, and engineering application value of the two core pollution indicators — Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD) — in wastewater treatment from an engineering and technical perspective. It is suitable for system integration, wastewater treatment process control, and environmental compliance mo···

For system integrators and industrial procurement decision-makers, a deep comparison of BOD determination methods (dilution and inoculation method, microbial sensor method, and dual-wavelength fluorescence method). It analyzes the technical advantages of NiuBoL digital BOD sensors, covering RS485 Modbus RTU protocol integration, automatic turbidity compensation, and online continuous monitoring so···

In-depth analysis of the core causes of COD and ammonia nitrogen spikes in wastewater treatment, providing system integrators with industrial-grade online monitoring and process optimization guidelines. It explores the application of NiuBoL digital water quality sensors in biochemical system early warning, influent shock load monitoring, and effluent compliance, covering RS485 Modbus protocol inte···

NiuBoL NBL-WQ-BOD-4A dual-wavelength fluorescence method online BOD sensor is designed for system integrators, IoT solution providers, and environmental protection engineering contractors. It provides RS-485 Modbus RTU protocol output, supports seamless integration with existing SCADA, PLC, and IoT platforms, and realizes real-time organic load monitoring in laboratory and industrial wastewater tr···

COD exceedance in the effluent of urban sewage treatment plants is a common challenge in current operation and management. With the revision and advancement of the "Pollutant Discharge Standards for Urban Sewage Treatment Plants", COD discharge limits are becoming stricter. Online precise monitoring and stable compliance have become the focus of industry attention. This article systematically anal···

Water treatment automation instrument solutions for system integrators and engineering companies. Covers online process parameter monitoring, water quality analysis instrument system compatibility, SCADA integration cases, and portable multi-parameter water quality analyzer selection guide. NiuBoL provides full-chain technical support from the sensor layer to the platform layer.

In industrial process control and water treatment projects, online pH meters are core monitoring equipment for achieving precise acid-base balance, ensuring process stability, and meeting discharge standards. This article systematically organizes the application points of online pH meters in typical scenarios such as electroplating, water treatment, sewage treatment, and neutralization reactions f···

Professional industrial online pH meter selection and integration guide, with in-depth analysis of NiuBoL series sensors in industrial wastewater, environmental monitoring, and chemical process applications. This article provides system integrators and project contractors with in-depth analysis of 11 common measurement problems, technical parameter comparisons, and Modbus RTU integration solutions···