OPS will present its latest water quality monitoring solutions and core technologies at Booth 3E-25. We sincerely invite you to join us in exploring new industry trends and witnessing the power of green technology.

01 About WETEX Dubai

WETEX was established in 1999 under the directive of H.H. Sheikh Mohammed bin Rashid Al Maktoum, Ruler of Dubai. It is one of the world’s three largest water treatment exhibitions and the most extensive and international environmental and energy exhibition in Asia.

The 27th edition in 2025 will take place at the Dubai Exhibition Centre (DEC), spanning over 57,000 square meters, and is expected to attract 3,000 exhibitors from 60 countries and more than 40,000 professional visitors.

The exhibition encompasses the entire industrial chain of water treatment, environmental protection, and renewable energy, with a focus on key areas such as desalination, wastewater treatment, photovoltaic technology, and smart grids. Concurrently, nearly 800 B2B/B2G meetings and 150 thematic forums will be held, bringing together government officials and industry experts to discuss policy trends and technological innovations.

02 OPS Core Exhibits

At WETEX 2025, OPS will showcase its most recent R&D achievements, including:

Oil Monitoring Sensors: Surface oil spill detectors, oil-in-water sensors, PAH sensors

Wastewater Monitoring Sensors: COD, BOD, TSS, pH, turbidity, nitrate, and more

Aquaculture Water Quality Monitoring Sensors: DO, salinity, temperature, pH, ammonia nitrogen, conductivity, cyanobacteria, chlorophyll, etc.

Our products are widely applied in oilfield environmental protection, wastewater treatment, aquaculture, agricultural hydroponics, and river monitoring. With outstanding performance and reliability, we have earned the long-term trust of 600+ global clients.

03 Meet Us at Booth 3E-25

At WETEX 2025, you will have the opportunity to explore OPS’s latest water quality monitoring solutions, experience cutting-edge sensor technologies first-hand, and engage in in-depth discussions with our team of technical experts to discover further opportunities for collaboration and growth.

We cordially invite you to visit Booth 3E-25 and join OPS in shaping a new chapter of green and sustainable development.

✨ Let’s meet in Dubai at WETEX 2025 — we look forward to seeing you there!

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OPS, a technology-driven company specializing in water quality sensing solutions, proudly showcased a comprehensive range of high-performance sensors at the event. The lineup includes sensors for Dissolved Oxygen, COD, BOD, TSS, pH, ORP, Ammonia Nitrogen, Turbidity, Salinity, Conductivity, Nitrate, Oil-in-Water, Blue-Green Algae, Chlorophyll, and multi-parameter systems, all featured at Booth E5-F41 in Hall E5.

Throughout the exhibition, OPS presented its core products through hands-on demonstrations and technical consultations, highlighting their real-world applications in smart water management, industrial wastewater treatment, municipal environmental monitoring, aquaculture, and surface water quality assessment. The sensors’ high precision, long-term stability, and intelligent integration capabilities drew strong interest and praise from attendees.

On the first day, OPS’s booth saw a steady stream of industry professionals and partners engaging in in-depth discussions. The team welcomed visitors from across the country, sharing insights, exploring collaboration opportunities, and gaining valuable feedback from the frontlines of environmental innovation.

With China’s dual-carbon goals and the increasing importance of ecological protection, OPS remains committed to innovation in water quality monitoring technologies. The company continues to expand its sensor portfolio and refine integrated smart solutions, contributing to national and global efforts in environmental governance and sustainable development.

Looking ahead, OPS will uphold its mission of “Precision Monitoring for a Better Environment”, delivering top-quality products and services to accelerate progress in water quality monitoring worldwide.

Join us at Booth E5-F41 from April 21 to 23, 2025, to explore our latest innovations and collaborate on shaping the future of water monitoring.

Tags: IE expo China 2025, OPS, Water Quality Sensors.

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Basic principles of water quality sensors

The basic principle of water quality probes is to use different physical or chemical methods to convert some parameters in water into measurable signals, and then obtain relevant information about water quality through data processing and analysis. For example, physical parameters such as temperature, pressure, flow rate, water level, sound speed, etc. in water can be directly measured by thermocouples, pressure sensors, turbine flow meters, ultrasonic sensors, etc. Chemical parameters such as dissolved oxygen, pH, conductivity, turbidity, ammonia nitrogen, nitrate, nitrite, chlorine, fluoride, hydrogen sulfide, etc. in water can be indirectly measured by electrochemical, optical, capacitive, and other sensors. Biological parameters such as organic pollutants, heavy metals, microorganisms, etc. in water can be measured by biosensors, such as using biomolecules (such as enzymes, antibodies, DNA, etc.) as biological recognition elements, which react specifically with target substances, producing detectable signals, such as current, voltage, light intensity, color, etc.

Main types of water quality sensors

According to the measurement object and method of water quality sensors, they can be divided into the following main types:

1, Physical sensors: used to measure physical parameters such as temperature, pressure, flow rate, water level, sound speed, etc. in water, usually using thermocouples, pressure sensors, turbine flow meters, ultrasonic sensors, etc.

2, Chemical sensors: used to measure chemical parameters such as dissolved oxygen, pH, conductivity, turbidity, ammonia nitrogen, nitrate, nitrite, chlorine, fluoride, hydrogen sulfide, etc. in water, usually using electrochemical, optical, capacitive, and other sensors.

3, Biosensors: used to measure biological parameters such as organic pollutants, heavy metals, microorganisms, etc. in water, usually using biomolecules (such as enzymes, antibodies, DNA, etc.) as biological recognition elements, which react specifically with target substances, producing detectable signals, such as current, voltage, light intensity, color, etc.

4, Multi-parameter sensors: used to measure multiple parameters in water at the same time, usually using modules or systems that integrate multiple sensors, such as multi-parameter water quality meters, water quality monitoring stations, etc.

Advantages and challenges of water quality sensors

The advantages of water quality sensors are that they can achieve rapid, accurate, continuous, and online monitoring of water quality, providing reliable data support for water resource protection and management. The application of water quality sensors can help to detect and warn of water quality anomalies, assess the trend and impact of water quality changes, formulate reasonable water quality standards and measures, and improve the safety and sustainability of water quality.

The challenges of water quality sensors are the complexity and variability of water quality, as well as the performance and stability of water quality sensors. The complexity and variability of water quality mean that there are a variety of parameters and substances in water, which interact and change with each other, making it difficult to measure them comprehensively and accurately with a single sensor or method. The performance and stability of water quality probes mean that water quality analyzers need to have high sensitivity, selectivity, reliability, stability, and low maintenance characteristics, to adapt to the requirements and conditions of water quality monitoring, and also need to be calibrated and maintained regularly, to ensure the accuracy and consistency of measurement.

How to choose the right water quality sensor

Choosing the right water quality sensor requires a comprehensive consideration of factors such as the purpose, object, scope, frequency, accuracy, etc. of water quality monitoring. Generally speaking, the following principles should be followed:

-Choose sensors that can measure the parameters required for water quality monitoring, such as temperature, pH, dissolved oxygen, organic pollutants, etc.

-Choose sensors that can adapt to the environment and conditions of water quality monitoring, such as water depth, water flow, temperature, pressure, light, pollution level, etc.

-Choose sensors that can meet the requirements and standards of water quality monitoring, such as sensitivity, selectivity, reliability, stability, maintenance, etc.

-Choose sensors that can fit the budget and resources of water quality monitoring, such as price, size, weight, power consumption, life span, etc.

Water quality sensors are an important tool for water quality monitoring, which can provide real-time, accurate, and comprehensive information on water quality, providing data support for water resource protection and management. Water quality sensors have various types and advantages but also face some challenges and limitations. Choosing the right water quality sensor requires a comprehensive evaluation and comparison based on the specific situation and goal of water quality monitoring. I hope this blog can help you, if you have any questions or needs about water quality sensors, please contact us.

We OPS are a professional company that produces and sells water quality sensors, we provide various types and specifications of water quality sensors, to meet different water quality monitoring needs. Our sensors have high quality, high performance, high stability, and low-cost characteristics, which are trusted and praised by many customers. If you want to know more about our water quality sensors or want to order, please send us an email now.

Tags: OPS, water quality sensors, water quality monitoring, Multi-parameter sensors, suppliers, manufacturers, factory, wholesale, buy, price, quotation, bulk, for sale, companies, stock, cost.

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For example, monitoring dissolved oxygen levels is crucial as it directly affects the respiration of aquatic organisms. Low levels of dissolved oxygen can lead to stress, reduced growth, and even mortality. By using Water Quality Sensors, aquaculturists can continually monitor dissolved oxygen levels and implement appropriate aeration or other oxygenation methods when needed.

pH is another critical parameter to monitor in aquaculture. Fish and other aquatic organisms have specific pH ranges within which they thrive. Maintaining the pH within the optimal range is essential for their physiological functions. With the help of OPS Water Quality Sensors, aquaculturists can monitor pH levels and make necessary adjustments to maintain suitable conditions.

Additionally, temperature, turbidity, and conductivity are important parameters that can affect the growth and health of aquatic organisms. Monitoring these parameters with Water Quality Sensors allows aquaculturists to identify any anomalies or deviations from the desired values, enabling timely interventions to maintain optimal conditions.

Regular monitoring with OPS Water Quality Sensors enables aquaculturists to detect any water quality issues before they become severe, helping to prevent disease outbreaks and optimize the overall productivity of the operation. Before deploying the sensors, ensure they are properly calibrated and installed according to the manufacturer’s guidelines. Regular maintenance and quality control checks are also essential to ensure the reliability and accuracy of the sensor readings.

In conclusion, the use of OPS Water Quality Sensors in aquaculture settings in Russia can significantly contribute to successful and sustainable aquaculture practices by allowing continuous monitoring of key water parameters and facilitating prompt actions to maintain optimal water quality conditions.

Tags: Water Quality Sensors, Water Quality Sensors for aquaculture, suppliers, manufacturers, factory, wholesale, buy, price, quotation, bulk, for sale, companies, stock, cost.

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Last Friday, we were very honored to welcome an aquaculture customer from Russia to visit our company and factory. The customer has tested our dissolved oxygen sensor, pH sensor, and ORP sensor before, and the test results are very good. This time, they visited our company to deepen mutual understanding and carry out deeper cooperation.

Russian aquaculture customers paid a visit to our factory

After the Russian aquaculture customer arrived at our company, our sales manager explained our company’s development history, product range, and the cases and achievements so far to deepen the customer’s understanding and trust in us. Afterward, the R&D manager took the customer to visit our factory to show our processing equipment and R&D results. The customer was deeply impressed by our facilities and technical capabilities.

After the visit, we held a discussion meeting, and the two sides conducted in-depth exchanges on breeding technology, market demand and future cooperation directions. We share our expertise and experience and eagerly listen to our customers’ feedback and suggestions. This visit has built a more solid foundation for our cooperation. We believe that in future cooperation, we can achieve further win-win results through the efforts of both parties.

OPS is committed to developing advanced water quality monitoring technology and high-quality sensors to meet the needs of the aquaculture industry. We are constantly pursuing innovation and adopting advanced technology and materials to provide customers with reliable, accurate, and practical products. Our water quality sensors can monitor various water quality parameters, such as dissolved oxygen, pH, temperature, salinity, ammonia nitrogen, etc., providing timely and accurate data during the breeding process. By monitoring the water quality, farmers can adjust water quality parameters in time to maintain the stability and quality of the breeding environment. We also provide customers with customized solutions, designed and produced according to the special needs of the farm. Our goal is to help aquaculture farmers achieve efficient, sustainable, and environmentally friendly production, increasing their competitiveness and profitability.

If you have any needs or questions about aquaculture water quality monitoring technology and sensors, please consult us. We will wholeheartedly provide you with professional answers and support.

Tags: water quality monitoring technology, aquaculture water quality monitoring technology, aquaculture water quality monitoring sensors.

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OPS sales team and Indian customers

The Indian client company mainly focuses on developing loT devices and mobile apps for monitoring and automation of aquaculture farms to reduce risk and improve profitability. OPS supply water quality sensors such as dissolved oxygen, COD, ammonia nitrogen, PH, ORP, conductivity, turbidity, sludge concentration, chlorophyll, blue-green algae, oil in water, nitrate, etc. Which are mainly used for aquaculture farms.

OPS sales team and Indian customers in the negotiation room

After arriving at our company’s factory, the Indian customers engaged in a series of business discussions and factory tours. They were deeply impressed by our company’s modern equipment and efficient production processes, expressing their desire for deep cooperation with our company. Both sides had in-depth exchanges on production technology, product quality, and marketing, as well as exploring ways to further expand the scope of cooperation. The visit also included cooperation negotiations between representatives from both sides. They jointly examined key issues such as product development, supply chain management, and market promotion, and put forward practical suggestions on optimizing the cooperation process. The collision of ideas from both sides’ representatives paved the way for future collaboration.

Indian customers visit the production workshop of OPS

The representatives of the Indian customers expressed their appreciation for our company’s advanced technology and professional team and expressed their anticipation of establishing a long-term and stable cooperative relationship with our company. They believe that there is great potential for cooperation between China and India in the manufacturing industry, and they hope to create more opportunities for collaboration and achieve mutual development through joint efforts.

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The 4th China IE Expo Chengdu 2023-OPS

At the 4th China IE Expo Chengdu 2023, OPS displayed its water quality sensor product series. These products include dissolved oxygen sensor, COD sensor, ammonia nitrogen sensor, PH sensor, ORP sensor, conductivity sensor, turbidity sensor, chlorophyll sensor, blue-green algae sensor, oil in water sensor, nitrate sensor, and controllers. At the fair, OPS’s business managers actively participate in knowledge sharing and product technology communication with customers. The booths provided a platform for industry leaders, researchers, and policymakers to exchange ideas, share best practices and explore opportunities for collaboration.

OPS water quality sensor product

The 4th China IE Expo Chengdu 2023 highlights the urgent need for environmental protection and sustainable development. The excellent participation of OPS took the event to new heights, inspiring others to embrace innovative solutions and prioritize environmental well-being. On our way to a green future, OPS will continue to lead the water quality monitoring industry and contribute to building a more sustainable and harmonious world.

OPS’s business managers communicate with customers

Here are the details of the exhibition, we look forward to meeting you there.

Date: July 12-14, 2023

Venue: Western China International Expo City

Booth Number: Booth-6.D53

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COD sensors, also known as chemical oxygen demand sensors, are advanced devices used to measure the organic substance content in water. They provide a fast and accurate determination of the chemical oxygen demand in water, which is a crucial indicator for assessing the oxidation capacity of organic and inorganic substances in water. Evaluating COD is essential for assessing water pollution levels and formulating environmental protection strategies. pH sensors measure the acidity or alkalinity of water, which is vital for evaluating water quality stability and suitability.

India has long been facing challenges in water resource management, particularly in the process of urbanization and industrialization. Introducing this batch of water quality sensors reflects the Indian government’s commitment to environmental protection and water quality monitoring, taking a significant step toward addressing related issues. Through timely monitoring and effective data collection, the government will be able to take targeted measures to improve water resource utilization efficiency, reduce pollutant emissions, and promote sustainable development.

OPS, as an industry leader, possesses extensive experience and technological advantages in the field of environmental water quality monitoring. We will continue to support India’s water quality monitoring efforts and remain dedicated to research and innovation in water quality monitoring technology, making more significant contributions to environmental protection and water quality preservation.

Tags: Online COD Sensors, pH Sensors, chemical oxygen demand sensors, water quality monitoring, suppliers, manufacturers, factory, wholesale, buy, price, quotation, bulk, for sale, companies, stock, cost.

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The Wie Tec 2023 is a super-large world environmental protection exposition platform worldwide. It aims to integrate traditional municipal and industrial environmental protection with comprehensive environmental management and intelligent environmental protection and create an influential business exchange platform in the industry. The 2023 World Environmental Expo has an exhibition area of 220,000 square meters, covering the Shanghai International Water Exhibition, Shanghai International Pump and Valve Exhibition, Shanghai International Solid Waste Gas Exhibition, Shanghai International Smart Environmental Protection Exhibition, Shanghai International Air Fresh Air Exhibition, Shanghai International Construction Water Exhibition, Shanghai The 7 themed exhibitions of International Comfortable Home Furnishing will not only bring together 3,000 exhibitors from more than 23 countries and regions but will also attract nearly 100,000 professional visitors from more than 115 countries and regions.

Today is the first day of the Wie Tec 2023 Exhibition. At the booth of OPS, in addition to waves of domestic customers stopping to consult, it also attracted many foreign customers to come to consult and communicate. OPS Water Quality Sensors have been exported to more than 30 countries and regions within 3 years, the main products are dissolved oxygen sensor, PH sensor, ORP sensor, turbidity sensor, conductivity sensor, COD sensor, ammonia nitrogen sensor, sludge concentration sensor, chlorophyll sensor, blue-green algae sensor, oil in water sensor, nitrate sensor, multi-parameter water quality sensor, etc. widely used in aquaculture, surface water monitoring, industrial sewage monitoring, rural sewage reconstruction, daily monitoring of rivers and lakes, groundwater quality monitoring, urban sewage treatment, petrochemical, water environmental protection, environmental protection companies, laboratory analysis, etc.

If you are interested in our Water Quality Sensors products, please visit our booth:

Booth No.: 5.1H534

Time: June 05-07, 2023

Venue: Shanghai National Convention and Exhibition Center | Hongqiao

Tags: Wie Tec 2023, OPS Water Quality Sensors.

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As Asia’s leading environmental show, IE Expo China offers an effective business and networking platform for Chinese and international professionals in the environmental sector. It is the ideal platform for professionals in the environmental industry to develop businesses, exchange ideas,s and network. IE expo China is a “must” for the environmental players to exchange ideas and build their businesses in Asia.

All 17 exhibition halls of the Shanghai New International Expo Center have been used in this exhibition, with an exhibition scale of nearly 196,000 square meters, the largest ever. At the opening ceremony on April 19, 7 national pavilions including Germany, Denmark, Japan, Singapore, the Netherlands, South Korea, and the United States all appeared, and many of the world’s top 500, state-owned enterprises, listed companies, industry leaders, and technology dark horse companies Participating in the exhibition, from materials, equipment, technology to complete sets of solutions, provides new ideas, new technologies and new models for global ecological environment governance.

In this exhibition, OPS mainly exhibited the following exhibits:

1, Water Quality Sensors:

Do sensor, pH sensor, conductivity sensor, turbidity sensor, COD sensor, ammonia nitrogen sensor, ORP sensor, oil in water sensor, chlorophyll sensor, blue-green algae sensor, etc.

2, Water Quality Sensors Controllers:

-Single parameter Controllers

-Multi-parameter Controllers

3, Online Multi-parameter Water Quality Sensor

4, Portable Handheld Dissolved Oxygen Meter

During IE Expo China 2023, the booth of OPS was crowded with people, attracting visitors from Europe, Australia, Asia, and other countries and regions to visit and communicate. The business and technical team of OPS shared with the audience the working principle, functional advantages, and current application of our water quality sensors in large-scale projects, which fully demonstrated the strength and advantages of OPS in the field of water quality monitoring. Through communication and sharing with the on-site audience at the booth, the exhibitors can better understand the advantages and applications of our water quality sensors, laying a sure foundation for future cooperation. In this 3-day exhibition, OPS gained good results and attention.

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