Ph Sensor Market – Global Industry Size, Share, Trends, Opportunity, and Forecast, Segmented By Type (Process Sensors, Differential Sensors, Combination PH Sensors and Laboratory Sensors), By Component (Hardware and Services), By Product Type (Digital and Analog), By System Type (Benchtop and Portable), By Vertical (Water and Wastewater Industry, Chemical Industry, Oil and Gas Industry, Food and Beverages Industry, Medical and Pharmaceutical Industry, Paper Industry, Metal and Mining Industry, Agriculture Industry and Others), By Region & Competition, 2021-2031F

Forecast Period	2027-2031
Market Size (2025)	USD 840.43 Million
CAGR (2026-2031)	15.41%
Fastest Growing Segment	Digital
Largest Market	North America
Market Size (2031)	USD 1985.92 Million

Market Overview

The Global Ph Sensor Market will grow from USD 840.43 Million in 2025 to USD 1985.92 Million by 2031 at a 15.41% CAGR. A pH sensor is an analytical device that measures the acidity or alkalinity of a solution by detecting hydrogen ion activity and converting it into an electrical signal for interpretation. The market is primarily supported by strict environmental regulations regarding wastewater discharge and the increasing demand for industrial automation in the chemical and pharmaceutical sectors. These industries rely on precise monitoring to ensure product safety and optimize reaction efficiency. Illustrating this regulatory focus, according to the American Water Works Association, in 2024, 61.3 percent of utilities were actively implementing or developing source water protection plans, a move that necessitates reliable analytical instrumentation for continuous quality assessment.

However, a significant challenge impeding broader market expansion is the high operational maintenance associated with these devices. Glass electrodes are susceptible to fouling and drift in harsh environments, requiring frequent calibration and cleaning that increases the total cost of ownership and disrupts continuous industrial processes.

Key Market Drivers

Rapid Expansion of Global Water and Wastewater Treatment Infrastructure is a primary catalyst for market growth, as utilities and industrial operators continually upgrade facilities to meet rising demand and compliance standards. This widespread modernization requires the integration of advanced analytical instrumentation to monitor effluent quality and process efficiency in real-time. The scale of capital allocation in this sector highlights the robust demand for durable sensing technologies needed to manage complex water cycles. For instance, according to Ofwat, in December 2024, the regulator approved a £104 billion investment package for water and sewage companies in England and Wales to upgrade infrastructure over the subsequent five-year period. Such substantial funding commitments directly drive the procurement of pH sensors essential for maintaining chemical balance in treatment protocols.

Increasing Criticality of pH Control in Pharmaceutical and Bioprocessing Manufacturing further propels market expansion, particularly as the industry shifts towards high-value biologics and personalized medicine. Precise acidity regulation is vital in cell culture and fermentation processes, where even minor fluctuations can compromise yield and product safety. This necessity is amplified by the surge in domestic manufacturing capacity for essential medicines. Illustrating this trend, according to Eli Lilly and Company, in December 2025, the pharmaceutical giant announced a $6 billion investment to construct a new advanced manufacturing facility in Huntsville, Alabama. Reflecting the broader industrial demand for these analytical technologies, according to Endress+Hauser, in April 2025, the company reported investing 349.3 million euros in new infrastructure and equipment during the previous fiscal year to support its global growth in process automation.

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Key Market Challenges

High operational maintenance represents a formidable barrier to the expansion of the Global pH Sensor Market, particularly within industrial sectors operating under harsh conditions. Glass electrodes, the core component of most pH sensors, are inherently fragile and prone to rapid fouling or calibration drift when exposed to aggressive chemicals or high temperatures. This susceptibility necessitates frequent manual intervention for cleaning and recalibration, which not only demands specialized labor but also poses safety risks to personnel. Consequently, the total cost of ownership for these devices rises significantly, deterring budget-conscious industries from scaling their monitoring infrastructure.

This reliance on manual maintenance directly undermines the efficiency goals of industrial automation by forcing unplanned process interruptions. When sensors fail or drift beyond acceptable limits, production lines often must be halted to restore instrumentation accuracy, causing substantial financial losses. Underscoring this operational impact, according to the International Society of Automation, in 2024, approximately 5 percent of plant production was lost annually due to downtime events linked to equipment reliability. Such data highlights how the fragility and maintenance intensity of current pH sensing technology directly hamper market growth by disrupting the continuous, autonomous operations that modern industries require.

Key Market Trends

The Integration of IoT and Wireless Connectivity is fundamentally reshaping the market by enabling remote monitoring and seamless data transmission, moving beyond simple local readouts to fully connected industrial ecosystems. This technological shift allows operators to access real-time sensor health data from hazardous or inaccessible locations without physical intervention, significantly improving safety and operational visibility. The demand for such connected instrumentation is evident in the financial performance of key industry players focusing on digital transformation. Illustrating this momentum, according to Yokogawa Electric Corporation, May 2025, in the 'Presentation Materials of Financial Results for Fiscal Year 2024', orders for the company's measuring instruments segment increased by 13.6 percent, a growth trajectory explicitly supported by their strategic initiative to strengthen device connectivity and support digital transformation across process industries.

Simultaneously, the Proliferation of Single-Use Sensors in Biopharmaceutical Manufacturing is accelerating as the sector transitions from reusable stainless-steel equipment to disposable platforms to eliminate cross-contamination risks and cleaning validation downtime. These sensors, often pre-calibrated and gamma-irradiated, are integrated directly into single-use bioreactors and flow paths, providing a "plug-and-play" solution that supports the rapid changeovers required for producing high-value biologics and cell therapies. The scale of this adoption is reflected in the revenue streams of major suppliers dedicated to these technologies. For instance, according to Sartorius, February 2025, in its 'Annual Report 2024', the company reported sales revenue of approximately 3.4 billion euros, a performance largely driven by the robust demand within its Bioprocess Solutions division which supplies the essential single-use technologies underpinning modern drug production.

Segmental Insights

The digital segment represents the fastest-growing category within the global pH sensor market, driven by the increasing integration of industrial automation and the need for reliable data management. Unlike analog alternatives, digital sensors convert signals internally, preventing data loss during transmission and allowing for convenient offline calibration. This capability significantly reduces maintenance downtime and ensures adherence to strict water quality standards established by organizations such as the U.S. Environmental Protection Agency. Consequently, industries are prioritizing these sensors to maintain precise process control and satisfy rigorous regulatory requirements regarding traceability and environmental safety.

Regional Insights

North America maintains the leading position in the global pH sensor market, primarily driven by stringent environmental and safety regulations. The U.S. Environmental Protection Agency enforces rigorous standards for wastewater treatment and water quality, necessitating constant monitoring solutions across municipal and industrial applications. Furthermore, the significant presence of pharmaceutical and chemical manufacturing sectors fuels demand, as the U.S. Food and Drug Administration mandates strict quality control in production processes. This regulatory landscape, combined with established industrial infrastructure, ensures the region remains the primary market for pH sensing technologies.

Recent Developments

• In April 2025, Teledyne Valeport introduced a new solid-state pH sensor developed in collaboration with ANB Sensors, targeting the oceanographic monitoring sector. The device was officially launched at the Ocean Business exhibition in Southampton and featured a novel technology that eliminated the need for frequent calibration, a significant challenge with traditional glass electrodes. By integrating a self-calibrating mechanism within a rugged titanium housing, the product offered a durable solution for long-term deployment in harsh marine environments. This innovation effectively addressed the issue of reference drift, ensuring reliable, low-maintenance water quality data collection for remote underwater applications and scientific research.
• In July 2024, Mettler Toledo Process Analytics released the InSUS 310i, a single-use pH sensor developed specifically for the biopharmaceutical industry. This product launch addressed a critical market need by providing a digital measurement solution in a single-use format, overcoming the limitations of analog sensors which are often susceptible to electronic interference. The sensor incorporated Intelligent Sensor Management technology, enabling predictive diagnostics and efficient sensor lifecycle tracking. Designed to integrate seamlessly into single-use bioreactors, the InSUS 310i provided reliable measurement performance and facilitated electronic documentation, thereby supporting the rigorous quality control and sterility requirements of modern bioprocessing workflows.
• In March 2024, Endress+Hauser expanded its analytical instrumentation offerings by launching five new Memosens laboratory sensors, including the CPL57E pH sensor. These digital sensors were engineered to operate with the Liquiline CML18 handheld device, facilitating consistent measurement technology between laboratory settings and industrial process environments. The new products featured inductive data transmission and onboard storage of calibration history, which supported Good Laboratory Practice and enhanced quality management. By aligning laboratory results with online process data, the company aimed to improve the reliability of verification procedures across various industries, ensuring seamless data traceability and reducing the risk of measurement discrepancies.
• In January 2024, ABB entered into an agreement to acquire Real Tech, a company specializing in optical sensor technology for real-time water quality monitoring. This strategic move was designed to expand ABB’s existing portfolio in the measurement and analytics sector, which already included a range of electrochemical sensors. By integrating Real Tech’s optical sensors and proprietary artificial intelligence platform, ABB aimed to enhance its smart water management capabilities. The collaboration allowed the company to offer comprehensive solutions for continuous analysis of water composition, supporting utilities and industrial clients in optimizing treatment processes and ensuring compliance with stringent regulatory standards.

Key Market Players

• Emerson Electric Co.
• Honeywell International Inc.
• Endress+Hauser Group Services AG
• Yokogawa Electric Corporation
• Mettler-Toledo International Inc.
• Hamilton Bonaduz AG
• ABB Ltd.
• Thermo Fisher Scientific Inc.
• Danaher Corporation
• Omega Engineering, Inc.

By Type	By Component	By Product Type	By System Type	By Vertical	By Region
Process Sensors Differential Sensors Combination PH Sensors and Laboratory Sensors	Hardware and Services	Digital and Analog	Benchtop and Portable	Water and Wastewater Industry Chemical Industry Oil and Gas Industry Food and Beverages Industry Medical and Pharmaceutical Industry Paper Industry Metal and Mining Industry Agriculture Industry and Others	North America Europe Asia Pacific South America Middle East & Africa

Report Scope:

In this report, the Global Ph Sensor Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:

• Ph Sensor Market, By Type:

• Process Sensors
• Differential Sensors
• Combination PH Sensors and Laboratory Sensors

• Ph Sensor Market, By Component:

• Hardware and Services

• Ph Sensor Market, By Product Type:

• Digital and Analog

• Ph Sensor Market, By System Type:

• Benchtop and Portable

• Ph Sensor Market, By Vertical:

• Water and Wastewater Industry
• Chemical Industry
• Oil and Gas Industry
• Food and Beverages Industry
• Medical and Pharmaceutical Industry
• Paper Industry
• Metal and Mining Industry
• Agriculture Industry and Others

• Ph Sensor Market, By Region:

• North America
• United States
• Canada
• Mexico
• Europe
• France
• United Kingdom
• Italy
• Germany
• Spain
• Asia Pacific
• China
• India
• Japan
• Australia
• South Korea
• South America
• Brazil
• Argentina
• Colombia
• Middle East & Africa
• South Africa
• Saudi Arabia
• UAE