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Precision Dissolved Oxygen Sensors for Aquaculture & Industry

High-performance optical and electrochemical dissolved oxygen sensors with RS485, 4-20mA outputs. Designed for real-time water quality monitoring in aquaculture, wastewater, and industrial applications.

Dissolved Oxygen Sensor

About Us

Xi'an Desun Uniwill Electronic Technology Co., Ltd. – Innovating Water Quality Monitoring Since 2022

Xi'an Desun Uniwill Electronic Technology Co., Ltd. is located in Xi'an High-tech Development Zone. We are a high-tech enterprise integrating production, research and development, sales, and engineering services. Leveraging Xi'an's rich technological resources, we collaborate with leading universities and research institutions to continuously break through technical barriers and enhance product performance.

Our mission is to provide high-quality, reliable water quality monitoring solutions using cutting-edge technology. We have launched a wireless water quality monitoring system based on IoT, enabling real-time data cloud display, remote cloud control, and alarm notifications for upper and lower limits.

With a strong focus on quality control and customer satisfaction, we deliver professional pre-sale, in-sale, and after-sale services that have earned consistent praise from clients worldwide.

Quality Assured

Strict quality control and compliance with international standards.

Fast Innovation

R&D-driven with IoT-integrated smart monitoring solutions.

Global Support

Trusted by customers across North America, Europe, and Asia.

Our Products

Precision-engineered sensors for dissolved oxygen, chemical oxygen demand, pH, conductivity, and more.

Industrial Dissolved Oxygen Sensor

Industrial Dissolved Oxygen Sensor

Seawater salinity luminescence sensor with high stability and long life.

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RS485 Digital DO Sensor

RS485 Digital DO Sensor Probe

Online digital dissolved oxygen sensor for water with RS485 output.

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Arduino DO Sensor

Arduino Aquaculture DO Sensor

Polarographic dissolved oxygen monitor for DIY and aquaculture use.

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Optical DO Sensor

Digital Optical DO Sensor

Fluorescent cap-based optical sensor for accurate online monitoring.

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PPM Optical DO Sensor

PPM Optical Dissolved Oxygen Sensor

12V optical DO probe with integrated temperature compensation.

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High Precision Optical DO Sensor

High Precision Optical DO Sensor

SS316 housing, 20mg range, ideal for industrial and aquaculture use.

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Chemical Oxygen Demand Sensor

Chemical Oxygen Demand Sensor

UV fluorescence method COD analyzer for wastewater and sewage.

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Multiparameter Water Quality Sonde

Multiparameter Water Quality Sonde

Integrated sensor array for DO, pH, conductivity, turbidity, and more.

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Why Choose Our Sensors?

High Accuracy

Precision calibration ensures reliable and repeatable measurements.

Long Lifespan

Durable materials and optical technology extend sensor life.

Real-Time Monitoring

RS485 and 4-20mA outputs enable continuous data transmission.

Global Compliance

Meets international standards for environmental and industrial use.

500+
Global Clients
10+
Countries Served
8
Sensor Categories
24/7
Support Available

Frequently Asked Questions

What is the difference between optical and electrochemical DO sensors?

Optical sensors use fluorescence technology for longer life and no electrolyte, while electrochemical sensors use a membrane and electrolyte for lower cost and simpler maintenance.

Can I use these sensors in seawater?

Yes, many of our sensors are designed with SS316 housing and are suitable for seawater and high-salinity environments.

Do you offer OEM/ODM services?

Yes, we provide full OEM and ODM support including custom calibration, labeling, and packaging.

What output signals are supported?

Our sensors support RS485 (Modbus), 4-20mA, and analog voltage outputs depending on model.

How often should I calibrate the sensor?

We recommend calibration every 3-6 months depending on usage and environment. Optical sensors require less frequent calibration.

Get in Touch

For pricing, technical support, or custom solutions, contact us today.

Phone: +86 181 8242 9986

WhatsApp: +8618182429986

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