pH Sensors Market Size, Share, Trends and Forecast by Type, System Type, Product Type, Measurement Technology, Application, and Region, 2025-2033

The global pH sensors market size was valued at USD 900.66 Million in 2024. Looking forward, IMARC Group estimates the market to reach USD 2,497.6 Million by 2033, exhibiting a CAGR of 12.0% from 2025-2033. North America currently dominates the market, holding a market share of over 35.7% in 2024. The pH sensors market share is expanding, driven by the increasing applications in water treatment plants to control the acidity or alkalinity of wastewater, along with the growing usage of pH sensors in monitoring biological processes, drug manufacturing, and medical diagnostics.

At present, the rising demand for pH sensors in water and wastewater treatment, as industries and government agencies focus on water quality and safety, is impelling the market growth. Many sectors, such as pharmaceuticals and chemicals, depend on pH monitoring for production and compliance. Besides this, advancements in sensor technology, including wireless and Internet of Things (IoT)-enabled sensors, improve accuracy and ease of use. Additionally, pH sensors are being employed in bioprocessing and drug manufacturing. Precision agriculture also benefits from pH sensors to monitor soil and hydroponic systems. Moreover, the food and beverage (F&B) industry requires them for quality control in brewing, dairy, and drinks production.

The United States has emerged as a major region in the pH sensors market owing to many factors. Strict environmental regulations and an increasing need for water quality monitoring in industries and municipalities are offering a favorable pH sensors market outlook. Water and wastewater treatment plants depend on pH sensors to meet safety standards. Besides this, in healthcare and pharmaceuticals, pH sensors play a key role in drug manufacturing. Additionally, the adoption of industrial automation and IoT integration creates the requirement for smart and wireless pH sensors. Apart from this, the rising concern about environmental pollution encourages research on ocean acidification and industrial emissions, which is propelling the market growth. According to the data published on the official website of the American Lung Association, the latest "State of the Air" report of 2024 revealed that US residents faced the highest number of days with very 'unhealthy' and 'hazardous' air quality from particle pollution in a quarter of a century. The report concluded that 131 Million individuals (39%) inhabit regions with harmful levels of air pollution.

pH sensors Market Trends:

Rising need for wastewater management

The increasing need for wastewater management, with industries and municipalities focusing on maintaining water quality due to high water pollution levels, is impelling the market growth. According to the reports published by the World Health Organization, 703 Million people in the world, almost one in ten, do not have clean water close to home in 2023. pH sensors are crucial for tracking and managing the acidity or alkalinity of wastewater throughout treatment procedures. Wastewater frequently carries toxic substances and contaminants that can harm ecosystems, and pH sensors are essential for monitoring and controlling the treatment process. By maintaining the water's acidity or alkalinity at safe levels, pH sensors inhibit the discharge of untreated or inadequately treated water into the ecosystem. With tightening regulations, sectors, such as chemical, oil and gas, and food processing depend on pH sensors to handle their wastewater efficiently.

Growing demand for industrial automation

The rising demand for pH sensors in industrial automation is fueling the pH sensors market growth. This generates the necessity for precise and immediate monitoring across different sectors. Automation systems require pH sensors to ensure accurate control over processes in sectors, such as chemicals, pharmaceuticals, and F&B production. pH sensors combined with automated systems allow ongoing monitoring, data recording, and predictive maintenance, enhancing operational efficiency and minimizing human error. These sensors aid in enhancing manufacturing, guaranteeing safety, and complying with regulations without the need for human involvement. With industries shifting towards greater automation and cost-effectiveness, the usage of advanced pH sensors that can easily integrate into these systems is increasing. As per reports, the market for industrial automation is set to increase by 9.3% per year to hit USD 307.7 Billion in 2030.

Increasing applications in healthcare

Rising applications of pH sensors in healthcare are supporting the market growth. These sensors are essential for monitoring biological processes, drug manufacturing, and medical diagnostics. In bioprocessing, pH sensors help to maintain optimal conditions for cell growth, fermentation, and protein production. They are also employed in diagnostic devices to regulate pH levels in blood, urine, and other bodily fluids. In pharmaceutical production, pH sensors ensure the correct pH for drug formulations, maintaining quality and efficacy. Additionally, they support research and development (R&D) activities in biotechnology where accurate pH measurement is considered important for creating new treatments. The high focus on healthcare innovations and patient safety fuels the market growth, with government agencies investing more in healthcare infrastructure and technology. As per the information provided on the official website of the Budget Committee, in 2024, federal expenditures on mandatory health programs, such as Medicare, Medicaid, and Obamacare subsidies in the US were expected to reach a total of USD 1.67 Trillion. By 2033, it is estimated that federal expenditures on these health programs will rise to USD 3.103 Trillion.

pH sensors Industry Segmentation:

Analysis by Type:

• Process Sensors
• Differential Sensors
• Combination pH Sensors
• Laboratory Sensors

Process sensors stand as the largest component in 2024, holding 42.7% of the market. They are essential for real-time monitoring in industries like chemical, F&B, and pharmaceutical. These sensors help to maintain product quality, ensure safety, and meet strict environmental and regulatory standards. Companies depend on continuous pH monitoring to control chemical reactions, prevent corrosion, and optimize production efficiency. Process sensors are more durable and accurate, making them ideal for harsh industrial environments. Additionally, with advancements in automation and IoT, smart process sensors provide real-time data, remote supervision, and predictive maintenance, lowering downtime and operational costs. Their widespread employment in wastewater treatment plants, manufacturing facilities, and refineries drives the demand. Compared to laboratory sensors, process sensors are preferred for large-scale operations where constant observation is needed. As firms continue to focus on reliability, sustainability, and compliance, process sensors remain the top choice in the market.

Analysis by System Type:

• Benchtop
• Portable

Benchtop leads the market with 47.6% of the market share. It is widely employed in laboratories, research facilities, and quality control processes across various industries. It offers high accuracy, stability, and easy calibration, making them ideal for applications in pharmaceuticals, environmental testing, and academic research. Many firms prefer benchtop pH meters for routine testing and analysis since they provide precise readings in controlled environments. Their user-friendly design and capability to handle numerous samples competently make them a go-to choice for professionals. Compared to portable or inline sensors, benchtop models are more reliable for detailed testing and compliance with regulatory standards. As scientific research and product development grow, the requirement for benchtop pH sensors remains high. They also gain from technological innovations, including digital screens, automatic temperature adjustments, and data recording, enhancing convenience for users. Their accuracy, adaptability, and user-friendliness ensure they remain favored in the market.

Analysis by Product Type:

• Digital
• Analog

Digital pH sensors are used for their precision, user-friendliness, and compatibility with contemporary automation systems. These sensors offer immediate data and the ability to monitor remotely, making them perfect for essential sectors, such as water treatment and food processing. They feature integrated signal processing, minimizing interference and enhancing reliability. Many digital pH sensors also offer self-calibration and diagnostic features, helping industries to minimize maintenance costs and downtime.

Analog pH sensors remain widely used owing to their simplicity, affordability, and compatibility with traditional monitoring systems. Many industries, including wastewater treatment, agriculture, and chemical processing, still depend on analog sensors for basic pH measurement needs. These sensors are easy to install and work well in applications where high-tech features are not required. Additionally, they remain a cost-effective solution for businesses with budget constraints or existing analog infrastructure.

Analysis by Measurement Technology:

• Optical Sensors
• Ion-Selective Field Effect Transistors (ISFET)
• Amperometric Detectors
• Others

Optical pH sensors utilize light-based technology for precise measurement of pH levels without direct interaction with the sample. They are perfect for uses where conventional electrodes might deteriorate, such as in biotechnology, environmental assessment, and medical testing. These sensors provide excellent stability, extended lifespan, and low maintenance, rendering them ideal for prolonged usage. Optical sensors perform effectively in demanding or delicate settings such as monitoring seawater.

Ion-selective field effect transistors (ISFET) pH sensors are solid-state instruments that determine pH levels without the need for glass electrodes, which enhances their durability and makes them resistant to damage. They are commonly utilized in medical and agricultural fields where durability and quick response times are crucial. ISFET sensors are small and perform effectively in portable and automated systems, making them ideal for point-of-care (POC) testing and field use.

Amperometric pH sensors utilize electrochemical processes to gauge pH levels, providing excellent sensitivity and accuracy. These sensors are frequently used in industrial and environmental monitoring scenarios where immediate pH management is essential. They are proficient at identifying pH variations in water treatment, chemical processing, and pharmaceutical manufacturing. Their capability to deliver speedy and precise measurements in difficult conditions renders them essential for businesses that need stringent pH standards and adherence to safety regulations.

Analysis by Application:

• Water and Wastewater
• Medical
• Oil and Gas
• Food and Beverages
• Metals and Mining
• Agriculture
• Others

Water and wastewater represent the leading segment. Maintaining proper pH levels is crucial for safe water management. Municipal water plants, industrial facilities, and environmental agencies depend on pH sensors to monitor and control water quality, ensuring compliance with strict regulations. These sensors help to detect acidity or alkalinity changes in real time, preventing damage to pipelines, equipment, and ecosystems. Wastewater treatment plants employ them to balance chemicals, neutralize harmful substances, and improve the efficiency of filtration processes. Industries like power generation, food processing, and chemicals also need pH monitoring to treat their wastewater before discharge. With high concerns about pollution and water scarcity, government agencies and businesses wager more on new water treatment technologies, creating the requirement for pH sensors. The rise of smart water management systems further increases the adoption of automated and IoT-enabled sensors. Because clean water is essential for public health and environmental protection, water and wastewater applications continue to dominate the market.

Regional Analysis:

• North America
  • United States
  • Canada
• Asia-Pacific
  • China
  • Japan
  • India
  • South Korea
  • Australia
  • Indonesia
  • Others
• Europe
  • Germany
  • France
  • United Kingdom
  • Italy
  • Spain
  • Russia
  • Others
• Latin America
  • Brazil
  • Mexico
  • Others
• Middle East and Africa

North America, accounting for 35.7%, enjoys the leading position in the market. The region is noted for its strong industrial base and strict environmental regulations. Besides this, the area has a high requirement for water treatment, with government agencies enforcing water quality standards for industries and municipalities. Big industries like pharmaceuticals, F&B, and chemicals depend on pH sensors for production, quality control, and compliance. The US and Canada also spend resources on R&D efforts, especially in healthcare and environmental monitoring where pH sensors play an important role. The rise of smart manufacturing and IoT-based automation further drives the demand for advanced pH sensors. Additionally, precision agriculture is growing, and farmers employ pH sensors to supervise soil and hydroponic systems. The oil and gas sector also relies on pH monitoring to prevent corrosion and maintain safety. Moreover, the government agencies of Canada wager on minimizing environmental pollution, which fuels the market growth. As per the information given on the official website of the Government of Canada, Environment and Climate Change Canada (ECCC) is focusing on urgently decreasing greenhouse gas emissions by 2030 and attaining zero emissions by 2050.

Key Regional Takeaways:

United States pH Sensors Market Analysis

The United States hold 80.30% of the market share in North America. The market is driven by the high demand for pH measurement technologies across various industries, including water treatment, pharmaceuticals, and agriculture. In particular, environmental concerns and stringent regulations regarding water quality create the need for modern pH sensor systems in the water and wastewater treatment sectors. In addition, governing agencies in the United States are implementing numerous water quality standards, including those for drinking water and wastewater effluent, further encouraging the utilization of accurate and reliable pH sensors. Besides this, innovations in sensor technologies, such as the integration of wireless and digital sensors, have led to enhanced ease of use and more precise readings, making them highly attractive for industrial applications. Moreover, there is a rise in the requirement for pH sensors in the agricultural sector for monitoring soil and water pH for optimized crop yields. The rising demand for superior quality food items among individuals is also bolstering the market growth. The Bureau of Economic Analysis reports that in 2023, agriculture, food, and associated sectors contributed approximately USD1.537 Trillion to the US gross domestic product (GDP). The production from farms in America accounted for USD 222.3 billion of this total, which is approximately 0.8% of the US GDP. Furthermore, the healthcare sector's high reliance on pH sensors for medical devices, diagnostics, and biotechnology contributes to the market growth.

Europe pH Sensors Market Analysis

The market is witnessing growth on account of stringent environmental regulations, rising industrial applications, and high user demand for sustainability. Europe has some of the most stringent water quality and environmental protection standards, and the enforcement of these regulations has led to high requirements for pH sensors, particularly in the water treatment and chemical industries. The European Union is dedicated to attaining climate neutrality by 2050, along with its Green Deal and the Circular Economy Action Plan, is encouraging firms to adopt more eco-friendly practices, further creating the need for pH monitoring devices. In the agricultural sector, precision farming and the shift towards sustainable agricultural practices are enhancing the utilization of pH sensors to monitor soil and irrigation water quality. Moreover, the pharmaceutical sector employs pH sensors, as they are important for maintaining precise control over chemical processes, drug formulations, and patient monitoring. As per reports, in 2023, pharmaceutical industry sales in Germany rose by 5.7%. Apart from this, the high focus on health and wellness practices among people is making the F&B sector more reliant on pH sensors for quality control and product consistency.

Asia-Pacific pH Sensors Market Analysis

The market is witnessing expansion owing to the increasing industrialization and urbanization in key regions, such as China, India, Japan, and South Korea. As per the Ministry of Statistics and Programme Implementation (MoSPI), India's industrial production rose to 3.8% in December 2023 as against 2.4% in November 2023. In particular, the rising manufacturing activities across the region are creating the need for pH measurement in processes, such as chemical production and food processing. With high concerns about environmental pollution and water quality, governing authorities in the region enforce stricter regulations, which promote the usage of accurate pH sensors in water treatment plants, wastewater management systems, and environmental monitoring. In line with this, the growing adoption of smart technologies in industries, such as agriculture, creates the need for advanced pH sensors capable of real-time data collection and remote monitoring.

Latin America pH Sensors Market Analysis

The market is influenced by the region's need for advanced water treatment solutions. Rapid urbanization and industrial expansion are leading to increased pressure on local water resources, promoting the adoption of pH sensors for water quality monitoring. The F&B industry is another significant driver, as manufacturers require pH sensors to maintain product quality and ensure regulatory compliance. Moreover, as Brazil continues to expand its agricultural output, the requirement for precision farming tools, such as pH sensors, has surged. These sensors are essential for monitoring soil and irrigation water quality, ensuring optimal pH levels for crop growth. According to reports, Brazilian agribusiness exports hit a record in 2023, reaching USD 166.55 Billion. Furthermore, the high awareness among the masses about environmental sustainability and the need to improve agricultural practices drive the demand for pH sensors, especially in countries like Brazil and Mexico where agriculture plays a crucial role in the economy.

Middle East and Africa pH Sensors Market Analysis

The increasing demand for water treatment technologies and agricultural innovation is contributing to the market growth in the region. Water scarcity is a significant challenge in the area, particularly in the Middle East, where many countries depend on desalination plants for drinking water. According to the report 'Economics of Water Scarcity in MENA: Institutional Solutions', by the conclusion of this decade, the annual amount of water available per person is projected to dip beneath the critical water scarcity limit of 500 cubic meters per individual, each year. Furthermore, the region's agricultural sector is also increasingly adopting precision farming techniques where pH sensors play an important role in optimizing soil and irrigation water quality. Additionally, regulatory requirements concerning environmental sustainability and food safety help to propel the market growth.

Competitive Landscape:

Key players work on developing modern products to cater to the high pH sensors market demand. Big companies focus on improving sensor accuracy, durability, and integration with new technologies, such as IoT and automation. They wager on R&D activities and creating advanced pH sensors that meet the requirements of industries like F&B, pharmaceutical, and agriculture. Major players also offer comprehensive solutions, including software and services, to enhance customer experience and market penetration. They drive market expansion by entering new regions and industries while complying with evolving environmental regulations. Additionally, partnerships with research institutions and industry leaders help to improve sensor performance and fulfill specialized needs. Through these efforts, companies ensure that the market continues to evolve and adapt to new trends. For instance, in May 2023, ANB Sensors, a developer and producer of innovative pH sensor technology that eliminates the need for calibration, revealed their complete range of AQ and OC Series sensors that are fully launched and shipping.

The report provides a comprehensive analysis of the competitive landscape in the pH sensors market with detailed profiles of all major companies, including:

• ABB Ltd
• Emerson Electric Co.
• Endress+Hauser AG
• GF Piping Systems (Georg Fischer Ltd.)
• Hach Company (Danaher Corporation)
• Halma plc
• Honeywell International Inc.
• Mettler-Toledo International Inc.
• Schneider Electric SE
• Thermo Fisher Scientific Inc.
• Xylem Inc.
• Yokogawa Electric Corporation

Key Questions Answered in This Report

• 1.How big is the pH sensors market?
• 2.What is the future outlook of pH sensors market?
• 3.What are the key factors driving the pH sensors market?
• 4.Which region accounts for the largest pH sensors market share?
• 5.Which are the leading companies in the global pH sensors market?