water quality monitoring
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RS485 Two-Electrode Conductivity EC CT/ TDS Sensor for Wastewater Treatment Aquaculture
The Two-Electrode Conductivity/TDS Sensor is a high-precision digital analyzer designed for industrial and environmental water quality monitoring. Utilizing advanced ionic electrode technology, it provides stable measurements of conductivity (0-100mS/cm) and TDS (0-10000ppm) with ±2.5% accuracy. The sensor features a corrosion-resistant graphite electrode and polymer housing, ensuring long-term durability in harsh environments. With integrated RS-485 communication (Modbus protocol) and a built-in high-accuracy NTC temperature sensor, it supports seamless integration into automation systems. Its single-point calibration technology and isolated power supply design guarantee reliable data and minimal maintenance, making it ideal for wastewater treatment, aquaculture, and industrial process control.
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5 in 1 UV Absorption BOD TOC TUR TEMP COD Sensor for Water Quality Monitoring
The COD Sensor is a high-performance digital water quality analyzer utilizing ultraviolet absorption technology for precise measurement of COD, TOC, BOD, turbidity, and temperature. Equipped with RS-485 output and Modbus protocol, it ensures seamless integration into automation systems. Featuring a self-cleaning brush and reagent-free design, it minimizes maintenance and environmental impact. With rapid response times (tens of seconds) and automatic turbidity compensation, this sensor delivers reliable data in harsh industrial or environmental applications, including wastewater treatment, aquaculture, and environmental monitoring.
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High-Accuracy Industrial Digital RS485 Ammonia Nitrogen (NH4+) Sensor for Water Quality Monitoring
The Ammonia Nitrogen (NH4+) Sensor delivers precise and reliable measurements for water quality analysis across diverse environments. Designed with eco-friendly polymer plastic, this sensor ensures chemical resistance and durability in harsh industrial or outdoor settings. It features an isolated power supply (9-24VDC) for stable performance (±5% accuracy) and anti-interference capabilities, even in electromagnetically noisy conditions. Custom calibration via forward/reverse curves allows flexibility for specific measurement scenarios, while its compact design (31mm*200mm) and RS-485 MODBUS output enable seamless integration into existing water quality systems. Ideal for surface water, sewage, potable water, and industrial effluent testing, this sensor minimizes maintenance with an easy-to-clean, pollution-resistant structure.
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IP68 Titanium Alloy Marine Current Meter for Ocean Current Monitoring
Frankstar Marine Current Meter is a robust, high-performance electromagnetic current meter designed for reliable, long-term measurement across diverse aquatic environments. Leveraging the proven principle of electromagnetic induction, it delivers accurate current velocity and direction data in conditions ranging from gentle currents to powerful streams, in seawater, freshwater, or wastewater.Supported by a versatile deployment platform for heavy equipment and complemented by a selection of compact corers, our product line forms a complete system—from routine surveys to precision research—all customizable to your specific mission requirements.
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RS485 135° Backlight Total Suspended Solid TSS Sensor for Water Quality Monitoring
The Total Suspended Solids (TSS) Sensor employs a 135° backlight scattering principle compliant with the ISO7027 international standard, ensuring high reliability in diverse water environments. Designed for industrial wastewater, environmental monitoring, and process control, this sensor features strong anti-interference capabilities, minimal drift, and direct usability under sunlight. Its compact design requires only 30mL of standard liquid for calibration, while the integrated automatic cleaning brush prevents contamination and bubble formation. With a wide measurement range (0–120,000 mg/L), corrosion-resistant 316L stainless steel housing, and RS-485 MODBUS output, it delivers precise, stable TSS monitoring in harsh conditions.
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RS485 Four-Electrode Conductivity EC CT/Salinity/TDS Sensor for Water Quality Monitoring
The Four-Electrode Conductivity/Salinity/TDS Sensor is designed for high-precision water quality monitoring. Utilizing advanced four-electrode non-polarization technology, it ensures long-term stability and anti-interference performance. It supports wide-range measurements of conductivity (0-500mS/cm), salinity (0-500ppt), and TDS (0-500ppt) with an accuracy of ±1.5%FS. Featuring an isolated power supply design, this sensor is ideal for industrial wastewater, seawater aquaculture, and environmental monitoring in harsh conditions. The corrosion-resistant polymer housing and G3/4 threaded structure withstand high-pressure and corrosive environments. Built-in temperature compensation and RS-485 communication (Modbus protocol) enable seamless integration into automation systems, reducing maintenance needs. It is the optimal solution for continuous monitoring of freshwater and seawater applications.
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Digital Residual Chlorine Sensor for Water Quality Monitoring
This high-precision residual chlorine sensor employs a three-electrode constant potential design to deliver accurate, real-time measurements of free chlorine (ClO⁻/HClO) in water systems. With a wide measurement range (0-20.00 ppm) and resolutions down to 0.001 ppm, it ensures reliable monitoring for drinking water safety, industrial effluent compliance, and aquaculture management. The sensor integrates pH compensation to minimize measurement drift and supports Modbus RTU over RS485 for seamless integration into SCADA, IoT, or industrial control systems. Encased in a durable, IP68-rated housing with G3/4 thread options, it offers flexible installation in flow-through or submerged environments. Automatic calibration commands and an optional self-cleaning electrode cover ensure long-term stability and reduced maintenance.
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High-Precision Industrial Digital Rs485 PH Sensor for Water Quality Monitoring
The pH Sensor employs an isolated power supply design to ensure stable performance and robust anti-interference capabilities. Ideal for water quality monitoring, industrial processes, and laboratory applications, it supports automatic/manual temperature compensation and multiple calibration solutions (USA/NIST/custom). Featuring a flat bubble structure for easy cleaning and a ceramic sand core liquid junction for reliable measurements, this sensor delivers high accuracy (±0.02pH) across a 0-14pH range. Its compact, polymer plastic housing and RS-485 MODBUS output make it durable and easy to integrate into diverse systems, even in harsh environments.
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UV Fluorescent OIW Meter Oil in Water Sensor for Water Quality Monitoring
This advanced sensor uses UV fluorescent technology to detect oil in water, automatically reducing interference from suspended solids for stable, accurate measurements. Reagent-free and eco-friendly, it features turbidity compensation and an automatic cleaning device for low-maintenance, long-term monitoring. Housed in 316L stainless steel (48mm×125mm), it offers RS-485 MODBUS output for easy integration into industrial, environmental, and municipal systems. Ideal for real-time oil concentration tracking in wastewater, drinking water, and marine applications.
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DO PH Temperatur Sensors O2 Meter Dissolved Oxygen PH Analyzer
Portable Multi-Parameter Water Quality Analyzer integrates DO, pH, and temperature sensing in one device with dual-sensor intelligence. Featuring auto-compensation, easy operation and portability, it delivers accurate, reliable results instantly. Ideal for on-site testing, its user-friendly interface, long-lasting battery, and robust design ensure efficient water quality monitoring anytime, anywhere.









