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 multi-parameter 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.