Introduction to Dissolved Oxygen Sensors
Dissolved oxygen sensors are essential devices used to measure the amount of oxygen dissolved in a liquid, typically water. This measurement is crucial in a wide range of applications, including environmental monitoring, aquaculture, wastewater treatment, and industrial processes. Accurate measurement of dissolved oxygen levels helps ensure the health of aquatic ecosystems, optimize the efficiency of water treatment plants, and maintain the quality of industrial products. Dissolved Oxygen Sensors

Here are the top 10 dissolved oxygen sensors suppliers in the world:
1. Shanghai Multiweal Environmental Technology Co., Ltd.
Shanghai Multiweal Environmental Technology Co., Ltd. is a professional high – tech enterprise focusing on environmental monitoring. It is committed to providing high – quality sensor products and solutions for environmental protection, water treatment, and various industries. With advanced R & D capabilities and a strict quality control system, the company has won a good reputation in the market.
Features of Dissolved Oxygen Sensors:
- It uses advanced sensing technology to achieve high – precision measurement of dissolved oxygen, with a measurement accuracy that can meet the strictest industry standards.
- The sensors have excellent anti – interference ability, can work stably in complex water environments, and are less affected by factors such as temperature, salinity, and pH.
- They are designed with a long – term stable performance, reducing the frequency of calibration and maintenance and saving the user’s cost.
Advantages of the Company:
- Strong R & D strength: Continuously invests in research and development to keep up with the latest technological trends and improve product performance.
- Customized services: Can provide customized dissolved oxygen sensors according to the specific needs of customers in different industries.
- Comprehensive after – sales service: Offers timely technical support and maintenance services to ensure the normal operation of products.
Website: https://www.multiweal.com/
2. ABB Ltd.
ABB is a leading global technology company that energizes the transformation of society and industry to achieve a more productive, sustainable future. With a history spanning over a century, ABB operates in more than 100 countries and employs around 105,000 people. It has a wide portfolio of products and services in the fields of electrification, robotics, automation, and motion.
Features of Dissolved Oxygen Sensors:
- ABB’s sensors are known for their high – end design and cutting – edge technology. They use intelligent signal processing algorithms to provide accurate and real – time dissolved oxygen measurements.
- These sensors are highly reliable, with a long service life. They are built to withstand harsh industrial and environmental conditions.
- They are equipped with advanced communication interfaces, allowing for seamless integration with other control and monitoring systems.
Advantages of the Company:
- Global presence: ABB has a vast global network, which enables it to provide local support and services to customers around the world.
- Extensive industry experience: With decades of experience in various industries, ABB understands the specific requirements of different applications and can offer tailored solutions.
- Continuous innovation: The company invests heavily in research and development to improve its products and stay at the forefront of technological advancements.
3. Honeywell International Inc.
Honeywell is a multinational conglomerate that produces a wide range of commercial and consumer products, engineering services, and aerospace systems. It has a strong reputation for quality and innovation. The company’s core businesses include aerospace, building technologies, performance materials and technologies, and safety and productivity solutions.
Features of Dissolved Oxygen Sensors:
- Honeywell’s dissolved oxygen sensors are of high sensitivity, capable of detecting even the slightest changes in dissolved oxygen levels.
- They have a fast response time, which is crucial for real – time monitoring applications.
- The sensors are designed to be user – friendly, with simple installation and operation procedures.
Advantages of the Company:
- Quality assurance: Honeywell has a strict quality control system, ensuring that all its products meet high – quality standards.
- Brand recognition: The well – known brand gives customers confidence in the reliability and performance of its products.
- Diverse product portfolio: In addition to dissolved oxygen sensors, Honeywell offers a wide range of related products, which can provide customers with one – stop shopping solutions.
4. Endress+Hauser Group
Endress+Hauser is a global leader in measurement instrumentation, services, and solutions for industrial process engineering. The company focuses on providing high – quality measurement technology for various industries such as chemicals, food and beverage, pharmaceuticals, and water and wastewater.
Features of Dissolved Oxygen Sensors:
- Endress+Hauser’s sensors feature a robust construction, which is resistant to mechanical stress and chemical corrosion.
- They use state – of – the – art optical measurement technology, providing accurate and stable dissolved oxygen measurements.
- These sensors are easy to maintain, with replaceable components that can be quickly installed on – site.
Advantages of the Company:
- Application – specific expertise: Endress+Hauser has in – depth knowledge of different industrial processes and can offer sensors specifically designed for each application.
- Comprehensive service: The company provides a full range of services, including installation, calibration, and maintenance, ensuring the reliable operation of its products.
- Technological leadership: It is at the forefront of technological development in the field of measurement technology, constantly introducing new and improved products.
5. YSI Incorporated (Xylem brand)
YSI is a well – known name in the field of water quality monitoring. It has a long history of developing and manufacturing high – quality sensors for measuring various water quality parameters, including dissolved oxygen. Now part of the Xylem brand, YSI continues to innovate in water technology solutions.
Features of Dissolved Oxygen Sensors:
- YSI’s sensors are known for their high – resolution measurement capabilities, providing detailed and accurate data on dissolved oxygen levels.
- They are suitable for a wide range of water conditions, from freshwater to seawater.
- The sensors are equipped with advanced data logging and communication functions, allowing for remote monitoring and data management.
Advantages of the Company:
- Specialized in water quality: With a strong focus on water quality monitoring, YSI has in – depth knowledge and expertise in this area, providing more targeted solutions.
- Proven track record: It has a long – standing reputation for reliability and performance in the water quality monitoring market.
- Good customer support: YSI offers comprehensive customer support, including training and technical assistance.
6. Thermo Fisher Scientific Inc.
Thermo Fisher Scientific is the world leader in serving science, with a broad range of products and services in the fields of research, analysis, and diagnostics. The company provides high – quality analytical instruments, reagents, and consumables to customers in academic, government, and industrial sectors.
Features of Dissolved Oxygen Sensors:
- Thermo Fisher’s sensors are designed with high – precision measurement capabilities, ensuring accurate and reproducible results.
- They are integrated with advanced software for data analysis and management, making it easy for users to process and interpret the measured data.
- The sensors are compatible with a variety of laboratory equipment, facilitating seamless integration into existing laboratory workflows.
Advantages of the Company:
- Wide product portfolio: In addition to dissolved oxygen sensors, Thermo Fisher offers a comprehensive range of related products, which can meet the diverse needs of the scientific community.
- Scientific expertise: The company has a team of scientific experts who can provide technical support and application guidance to customers.
- Global distribution network: Thermo Fisher can quickly deliver products to customers around the world and provide local after – sales service.
7. Hach Company
Hach is a leading provider of water quality analysis solutions. It offers a wide range of products and services, including water testing equipment, reagents, and software. Hach’s products are used in various industries and environmental monitoring applications.
Features of Dissolved Oxygen Sensors:
- Hach’s sensors are known for their easy – to – use design, with intuitive interfaces and simple calibration procedures.
- They have high accuracy and precision, providing reliable dissolved oxygen measurements.
- The sensors are rugged and can be used in both field and laboratory environments.
Advantages of the Company:
- Industry – specific solutions: Hach understands the specific requirements of different industries and can offer customized water quality analysis solutions.
- Training and education: The company provides training courses and educational resources to help users better understand and use its products.
- Good after – sales service: Hach has a dedicated after – sales service team that can quickly respond to customer needs and solve problems.
8. WTW (a Xylem brand)
WTW is a leading manufacturer of analytical instruments for water and wastewater analysis. It offers a comprehensive range of products, including sensors for measuring dissolved oxygen, pH, conductivity, and other parameters.
Features of Dissolved Oxygen Sensors:
- WTW’s sensors use advanced electrochemical or optical measurement principles, ensuring accurate and stable measurement results.
- They have a compact and lightweight design, making them easy to carry and install in different locations.
- The sensors are equipped with self – diagnostic functions, which can detect and report any malfunctions in a timely manner.
Advantages of the Company:
- Technical innovation: WTW is constantly working on research and development to introduce new and improved sensor technologies.
- High – quality craftsmanship: The company has strict manufacturing processes and quality control, ensuring the durability and reliability of its products.
- Application – oriented design: The sensors are designed to meet the specific needs of different applications, such as environmental monitoring and industrial process control.
9. Omega Engineering Inc.
Omega Engineering is a global leader in the design, manufacture, and distribution of sensors, controls, and data acquisition systems. It offers a wide variety of products for industrial, scientific, and environmental applications.
Features of Dissolved Oxygen Sensors:
- Omega’s sensors are known for their high – performance and cost – effectiveness. They provide accurate dissolved oxygen measurements at a reasonable price.
- They are highly customizable, allowing customers to select the appropriate sensor configuration according to their specific needs.
- The sensors are easy to install and can be integrated into existing systems without significant modifications.
Advantages of the Company:
- Customization capabilities: Omega can customize products according to customer requirements, providing tailored solutions.
- Cost – effective solutions: The company offers high – quality products at competitive prices, helping customers save costs.
- Good technical support: Omega has a team of technical experts who can provide prompt technical support and assistance to customers.
10. Sensorex
Sensorex is a leading manufacturer of water quality sensors and electrodes. It specializes in providing high – quality, reliable sensors for a variety of applications, including industrial water treatment, environmental monitoring, and aquaculture.
Features of Dissolved Oxygen Sensors:
- Sensorex’s sensors are designed with a long – lasting membrane, which reduces the frequency of replacement and maintenance.
- They have a wide measurement range, suitable for different water environments and application requirements.
- The sensors are designed to be chemically resistant, ensuring reliable operation in corrosive water conditions.

Advantages of the Company:
- Specialized in water sensors: Sensorex has focused on water sensor technology for many years, accumulating rich experience and expertise in this field.
- High – quality products: The company adheres to strict quality control standards, ensuring the reliability and performance of its sensors.
- Customer – centric service: Sensorex provides excellent customer service, including pre – sales consultation and after – sales support.
Turbidity Sensors In conclusion, these 10 suppliers are leaders in the field of dissolved oxygen sensors, each with their own unique features and advantages. Customers can choose the most suitable supplier according to their specific needs and application scenarios.