Dissolved Oxygen Sensors Market size was valued at USD 392.15 million in 2024 and is expected to reach USD 826.23 million by 2037, registering around 5.9% CAGR during the forecast period i.e., between 2025-2037. In the year 2025, the industry size of dissolved oxygen sensors is assessed at USD 430.04 million.
Further, the market generated a revenue in the year 2022 owing to the increasing demand for dissolved oxygen sensors from various industries, such as water and wastewater treatment, pharmaceuticals, and food & beverages. The need for wastewater treatment and cleaning, as well as the incidence of water pollution, is also anticipated to drive the need for these sensors. Approximately 68% of the wastewater generated by the high-income countries is believed to be treated by the wastewater treatment plants. A water treatment ratio of 37% is observed in upper-middle-income countries, 27% in lower-middle-income countries, and 7% in low-income countries. Globally, it accounts for nearly 19% of wastewater treatment. The sensors are used to monitor the levels of pollutants in wastewater and to ensure that it meets safety standards. This is important for protecting the environment and public health, and it is also cost-effective for wastewater management systems. Moreover, increasing awareness about water quality and the need to reduce water pollution is also driving the growth of the global dissolved oxygen sensors market.
Oxygen is measured through dissolved oxygen probes by measuring how much enters the sensor via diffusion through a membrane. The membrane used in the probe is permeable to oxygen, but not to other substances. The oxygen molecules then diffuse across the membrane and are detected by the sensor. The sensor then converts the oxygen molecules into an electrical signal, which can then be used to measure the amount of dissolved oxygen in the water. High levels of dissolved oxygen indicate a healthy aquatic ecosystem, while low levels can indicate that the ecosystem is being negatively impacted by pollutants.
These sensors measure the amount of oxygen dissolved in aqueous solutions, which is necessary for the proper functioning of many industries. For instance, oxygen is essential for the aerobic treatment of wastewater, and for the growth of aquatic life in aquaculture. In the environmental sciences, these sensors can be used to monitor the health of rivers, lakes, and oceans. In addition to these, factors that are believed to fuel the market growth of dissolved oxygen sensors include increasing water scarcity, growing population, and rising awareness of wastewater treatment. As the demand for clean water resources continues to grow, these sensors provide an efficient and reliable method of monitoring dissolved oxygen levels. In addition, with rapid industrialization in a number of regions, the global market for dissolved oxygen sensors is expected to grow at a higher rate. Industrialization leads to an increase in wastewater being discharged into rivers and lakes, which can lead to an increase in pollutants that can reduce the dissolved oxygen content of the water. By monitoring the dissolved oxygen content, industries can ensure that their wastewater discharge does not have a negative impact on the environment.
Growth Drivers
Challenges
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Base Year |
2024 |
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Forecast Year |
2025-2037 |
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CAGR |
5.9% |
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Base Year Market Size (2024) |
USD 392.15 million |
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Forecast Year Market Size (2037) |
USD 826.23 million |
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Regional Scope |
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Sensor Type (Concentration Cell Sensors, Oxide Semiconductor Sensors, Electrochemical Sensors, Optical Sensors)
The global dissolved oxygen sensors market is segmented and analyzed for demand and supply by sensor type into concentration cell sensors, oxide semiconductor sensors, electrochemical sensors, optical sensors, and others. Out of these segments, the optical sensors segment is estimated to gain the largest market share by the end of year 2037. The growth of the segment can be attributed to the increasing demand for optical sensors for measuring the concentration of oxygen in water bodies due to their advantages such as accuracy, cost-effectiveness, and low power consumption. Additionally, technological advancements in optical sensors provide increased accuracy and stability and the ability to measure a wide range of oxygen concentrations, thus driving the growth of the optical sensors segment. A rapid growth of the food and beverage industry is also expected to contribute to the growth of optical sensors. According to research, grocery sales in the food industry are expected to reach USD 2.5 trillion by 2026, an increase of almost 550 billion. Moreover, online food retailers are expected to see an increase in sales in the coming years. The food and beverage industry is increasingly using optical sensors for quality control, monitoring, and process automation. They are used to detect contaminants, measure moisture levels, and help to ensure that products meet safety standards.
Application (Wastewater Treatment, Aquaculture, Environmental Sciences)
The global dissolved oxygen sensors market is also segmented and analyzed for demand and supply by application into wastewater treatment, aquaculture, environmental sciences, and others. Out of these segments, the aquaculture segment is estimated to gain the largest market share by the end of year 2037. The growth of the segment can be attributed to the rising demand for seafood and the need to ensure better water quality in aquaculture farms are driving the demand for monitoring of water quality parameters, such as dissolved oxygen levels. Additionally, innovations in the field of dissolved oxygen sensors and the need to ensure sustainable aquaculture practices are further contributing to the growth of the aquaculture segment. The increasing focus on food security and the introduction of stringent regulations to ensure sustainable aquaculture practices along with the introduction of advanced dissolved oxygen sensors with a longer lifespan and improved accuracy has increased the demand for these sensors in the aquaculture industry.
Our in-depth analysis of the global market includes the following segments:
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By Sensor Type |
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By Application |
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APAC Market Statistics
Asia Pacific industry is poised to dominate majority revenue share of 34% by 2037. The growth of the market can be attributed to increased demand for water quality monitoring, rising awareness about aquatic environment protection, and the development of advanced technologies for environmental monitoring. The growing population in the region has increased the demand for water, leading to an increase in water pollution levels. For instance, China's drinking water supply is contaminated by levels of animal and human excreta that, in rural areas, exceed maximum permissible levels by as much as 85%, and in urban areas, by as much as 29%. Dissolved oxygen sensors measure the amount of oxygen dissolved in water, which can be an indicator of the water's health. Additionally, governments in the region are investing heavily in water treatment and monitoring systems, which includes the installation of dissolved oxygen sensors. This is further expected to drive the regional market growth in the coming years.
North American Market Forecast
The North America dissolved oxygen sensors market, amongst the market in all the other regions, is projected to hold the second largest share during the forecast period. Market growth can be attributed to the growing need for water quality monitoring and increasing government regulations for water quality management are driving the demand for dissolved oxygen sensors in North America. Additionally, the region has witnessed rapid industrial growth along with an expansion in the chemical and petrochemical industries over the past few years which rely heavily on the use of dissolved oxygen sensors to monitor and control the quality of their products. For instance, the petrochemical manufacturing industry in the US is expected to grow by 0.5% annually between 2018 and 2023. Water is essential for the chemical and petrochemical industries as it can be used to transport and react with various chemicals and to cool equipment. Sensors measure the level of dissolved oxygen in the water to ensure that the water remains at a desirable level of quality, which is essential for the efficient operation of the chemical processes. Additionally, the availability of government funds for environmental protection and water quality monitoring as well as the presence of large water treatment plants in the region are driving the growth of the market in the North America region.
Europe Market Forecast
Further, the dissolved oxygen sensors market in the Europe, amongst the market in all the other regions, is projected to hold a majority of the share by the end of 2037. The growth of the market can be attributed to the increasing focus on the development of water infrastructure, rising investments in wastewater treatment plants, and the increasing number of initiatives taken by the European governments to reduce water pollution. Additionally, the increasing use of dissolved oxygen sensors in water bodies and the rising demand for clean and safe water for irrigation and drinking purposes are expected to fuel the market growth in region.
Aquatic Informatics Inc., an aeronautical analytics company, has been acquired by HA CHI, a subsidiary of Danaher Corporation. Software solutions are developed for managing and analyzing critical water data by Aquatic Informatics.
The Point-of-Entry (PoE) UV-LED water disinfection system is introduced by Acuva Technologies Inc., with flow rates that range from 8 to 20 GPM and minimal maintenance requirements. With the help of UV-LED light, contaminants are broken down on a molecular level, rendering them harmless and ensuring safe drinking water for consumers.
Author Credits: Abhishek Verma
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