High Precision RS485 Output Water Quality DO Dissolved Oxygen Sensor

ZONEWU RS485 Water Quality Dissolved Oxygen (DO) Sensor:
Water quality dissolved oxygen sensor equipped with RS485 (Modbus-RTU) communication protocol, featuring high-precision detection of dissolved oxygen content in water, anti-fouling and corrosion-resistant probe, automatic temperature compensation, and plug-and-play compatibility with industrial control systems, IoT platforms and data acquisition terminals for stable and high-speed wired data transmission.

RS485 Dissolved Oxygen Sensor: Key Applications & Use Cases
Municipal & Industrial Wastewater Treatment
Real-time DO monitoring in aeration tanks, effluent outlets and process water; long-distance RS485/Modbus communication supports automatic aeration control, energy saving and discharge compliance.
Aquaculture Freshwater & Seawater Farming
Stable DO monitoring for fish ponds, shrimp farms and RAS; IP68 submersible design ensures reliable operation in aquaculture environment, improving survival rate and yield.
Surface Water & Ecological Monitoring
Deployed in rivers, lakes, reservoirs and offshore areas; matched with solar buoys and LoRaWAN for remote water quality monitoring and early warning of eutrophication/hypoxia.
Industrial Process & Smart Agriculture
Used in bioreactor fermentation, industrial cooling water and hydroponic nutrient solution; digital RS485 signal is anti-interference, easy to integrate with PLC and IoT systems.

RS485/4-20 mA parameters:

Packaging:

Single gross weight: 1.200 KG

Single package size: 37X26X5 cm

 

Product Description: 

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Customer on-site examples: 

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Application: 

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RS485 water quality dissolved oxygen sensor can monitor dissolved oxygen in real-time. It is suitable for industrial circulating water, boiler feed water, municipal water supply, aquaculture and swimming pools. It supports remote data transmission, stabilizes water quality and prevents scaling.

Certifications：

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We are best water quality sensor manufacturer and exporter in China with more than 10 years. Our water quality sensor products are certified  with of CE, ROHS.

 

 

 

Why RS485 for Water dissolved oxygen Monitoring?

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Industrial-Grade & Stable Data Transmission: RS485 delivers robust anti-interference performance for real-time, reliable hardness data transmission in harsh environments (e.g., industrial boilers, municipal water supply), ensuring accurate monitoring.
Easy Integration & Scalability:Supports multi-node networking, seamlessly integrates with mainstream PLC/RTU systems, enabling flexible deployment and reducing system integration costs and maintenance complexity.

 

 

Production Process:

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Why choose us:

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1. Strong R & D: 30+ Senior experts and highly educated personnel formed a R & D team, heavy investment, master a number of core technologies and patents.
2. Professional and effective solutions: for smart environmental protection, agriculture and other fields, to provide customized compound networking solutions.
3. Full range of products: covering the whole industry chain products from data collection to platform services to meet diverse needs.
4. Excellent quality: we have perfect quality control system, strictly quality control each production link, low defective rate. 
5. Good service: 7×24 hours fast response, Professional pre-sale, sale, after-sales team support.