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Water Quality Sonde Series
Frankstar Water Quality Sonde Series leverages advanced fluorescence lifetime dissolved oxygen sensing technology to deliver stable, high-precision, real-time water quality data. Designed for diverse aquatic monitoring environments, our modular multi-parameter water quality sonde supports flexible configurations from compact 2-sensor setups to fully integrated multi-parameter systems, providing accurate and reliable data for professional water quality analysis and water resource management.
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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 Frankstar COD Sensor is a high-performance digital water quality monitoring probe based on advanced UV absorption spectroscopy technology. It enables accurate, real-time measurement of key water quality indicators including COD, BOD, TOC, turbidity, and water temperature.Featuring standard RS-485 communication and Modbus RTU protocol, the sensor supports plug-and-play integration with data loggers, monitoring platforms, and automatic water quality monitoring systems. Adopting a fully reagent-free detection principle and built-in automatic cleaning brush, it effectively reduces operational costs, avoids secondary pollution, and achieves long-term low-maintenance field operation.Equipped with intelligent turbidity compensation and fast response algorithms, the UV COD sensor delivers stable and repeatable measurement data even in complex and harsh water environments. It is widely applicable for wastewater treatment discharge monitoring, aquaculture water quality management, river and lake environmental supervision, and intelligent water resource monitoring projects. -
CO2 Probe Dissolved Carbon Dioxide Sensor in Water
The CO2 Sensor is a cutting-edge NDIR infrared absorption sensor designed for precise measurement of dissolved carbon dioxide (CO2) in water and industrial environments. Featuring a patented optical cavity, dual-channel reference compensation, and multiple output modes (UART, I2C, analog voltage, PWM), this sensor ensures reliable data with ±5%FS accuracy. Its convection diffusion ventilation design accelerates gas exchange while protecting the membrane, and the detachable waterproof structure simplifies maintenance. Ideal for aquaculture, HVAC systems, agricultural storage, and air quality monitoring, this sensor supports Modbus-RTU protocol for seamless integration into automation systems.
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UV Fluorescent Chlorophyll Sensor for Aquatic Ecosystem Monitoring
This cutting-edge blue-green algae sensor utilizes UV fluorescence technology to detect algal concentrations with high precision, automatically eliminating interference from suspended solids and turbidity. Designed for reagent-free, eco-friendly operation, it features an integrated self-cleaning mechanism and automatic turbidity compensation for stable, long-term monitoring. Encased in durable 316L stainless steel (48mm×125mm), the sensor supports RS-485 MODBUS output for seamless integration into industrial, environmental, and municipal systems. Ideal for safeguarding water bodies against harmful algal blooms in lakes, reservoirs, and coastal zones.
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UV Fluorescent BGA Meter Blue-Green Algae Sensor for Aquatic Environment Monitoring
This cutting-edge blue-green algae sensor utilizes UV fluorescence technology to detect algal concentrations with high precision, automatically eliminating interference from suspended solids and turbidity. Designed for reagent-free, eco-friendly operation, it features an integrated self-cleaning mechanism and automatic turbidity compensation for stable, long-term monitoring. Encased in durable 316L stainless steel (48mm×125mm), the sensor supports RS-485 MODBUS output for seamless integration into industrial, environmental, and municipal systems. Ideal for safeguarding water bodies against harmful algal blooms in lakes, reservoirs, and coastal zones.
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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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High-Accuracy Industrial Digital RS485 Ion Selective Sensor for Water Quality Analysis
The Ion Selective Sensor combines eco-friendly design with advanced measurement capabilities, ideal for water quality monitoring in diverse environments. Featuring an isolated power supply for stable performance (±5% accuracy) and anti-interference, it supports custom calibration via forward/reverse curves and multiple ion types (NH4+, NO3-, K+, Ca²+, etc.). Built with durable polymer plastic, its compact design (31mm*200mm) and RS-485 MODBUS output ensure seamless integration into industrial, municipal, or environmental systems. Suitable for surface water, sewage, and potable water testing, this sensor delivers reliable data while minimizing maintenance with its easy-to-clean, pollution-resistant structure.
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90° Infrared Light Scattering Turbidity Sensor for Water Quality Analysis
The Turbidity Sensor utilizes a 90° infrared light scattering principle to deliver precise measurements in demanding environments. Designed for wastewater treatment, environmental monitoring, and industrial processes, it features excellent resistance to ambient light interference through advanced fiber-optic light paths, specialized polishing techniques, and software algorithms. With minimal drift and a sunlight-compatible design, it operates reliably outdoors or in direct sunlight. The compact construction requires only 30 mL of standard solution for calibration and has a low proximity requirement (<5 cm) to obstacles. Built with 316L stainless steel and offering RS-485 MODBUS output, this sensor ensures durability and accuracy in harsh conditions.
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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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Fluorescence DO Probe Meter Trace Dissolved Oxygen Sensor
The Luminsens Trace Dissolved Oxygen Sensor is a cutting-edge solution designed for precise measurement of trace-level dissolved oxygen (DO) in various water environments. Leveraging self-developed fluorescent material, this sensor operates on the principle of fluorescence quenching, eliminating oxygen consumption during measurement and ensuring maintenance-free operation. Its innovative design offers a long service life, rapid response to environmental changes, and robust anti-interference capabilities, delivering stable and reliable data even in challenging conditions. The sensor can be seamlessly integrated with both portable fluorescent dissolved oxygen analyzers and online monitoring systems, adapting to diverse detection needs—from on-site field surveys requiring mobility to continuous industrial process monitoring. With a measurement range of 0–2000 ppb for dissolved oxygen and 0–50°C for temperature, it caters to applications where micro-level DO accuracy is critical, such as semiconductor manufacturing, pharmaceutical water treatment, and ecological research.
