Ph Sensor Market - Global Industry Size, Share, Trends, Opportunity, and Forecast, 2021-2031

The Global pH Sensor Market is projected to expand from USD 840.43 Million in 2025 to USD 1.98 billion by 2031, achieving a CAGR of 15.41%. These analytical devices, which measure a solution's alkalinity or acidity by converting hydrogen ion activity into electrical signals, are seeing increased adoption due to stringent environmental regulations regarding wastewater discharge and a growing need for industrial automation in the pharmaceutical and chemical sectors. Precise monitoring is essential in these industries to ensure product safety and maximize reaction efficiency. Highlighting this regulatory push, the American Water Works Association reported in 2024 that 61.3 percent of utilities were actively developing or implementing source water protection plans, creating a strong requirement for reliable analytical instrumentation for continuous quality assessment.

However, the market faces a significant obstacle in the form of high operational maintenance requirements associated with these sensors. Glass electrodes are prone to drift and fouling when used in harsh environments, necessitating frequent cleaning and calibration. This constant upkeep increases the total cost of ownership and causes disruptions to continuous industrial processes, thereby impeding broader adoption.

Market Drivers

A primary catalyst for market growth is the rapid expansion of global water and wastewater treatment infrastructure, as industrial operators and utilities upgrade facilities to comply with stricter standards and meet rising demand. This broad modernization necessitates the integration of advanced analytical instrumentation to monitor process efficiency and effluent quality in real-time. The significant capital allocated to this sector underscores the robust demand for durable sensing technologies capable of managing complex water cycles. For example, Ofwat approved a £104 billion investment package in December 2024 for water and sewage companies in England and Wales to upgrade infrastructure over the next five years, a commitment that directly drives the procurement of pH sensors essential for maintaining chemical balance.

Furthermore, the increasing criticality of pH control in bioprocessing and pharmaceutical manufacturing is propelling market expansion, especially as the industry pivots toward personalized medicine and high-value biologics. Precise acidity regulation is crucial in fermentation and cell culture processes, where even slight fluctuations can jeopardize product safety and yield. This need is heightened by the surge in domestic manufacturing capacity for essential medicines. Illustrating this trend, Eli Lilly and Company announced a $6 billion investment in December 2025 to build a new advanced manufacturing facility in Huntsville, Alabama. Similarly, Endress+Hauser reported in April 2025 that it had invested 349.3 million euros in equipment and infrastructure during the previous fiscal year to support its global growth in process automation.

Market Challenges

High operational maintenance poses a formidable barrier to the growth of the Global pH Sensor Market, particularly within industrial sectors that operate under harsh conditions. The glass electrodes that form the core of most pH sensors are inherently fragile and susceptible to rapid fouling or calibration drift when exposed to high temperatures or aggressive chemicals. This vulnerability requires frequent manual intervention for recalibration and cleaning, which demands specialized labor and introduces safety risks for personnel. Consequently, the total cost of ownership increases significantly, discouraging budget-conscious industries from scaling their monitoring infrastructure.

This dependence on manual maintenance directly undermines the efficiency targets of industrial automation by necessitating unplanned process interruptions. When sensors drift beyond acceptable limits or fail, production lines often must be halted to restore instrumentation accuracy, resulting in substantial financial losses. Underscoring this operational impact, the International Society of Automation noted in 2024 that approximately 5 percent of plant production was lost annually due to downtime events related to equipment reliability. Such statistics demonstrate how the maintenance intensity and fragility of current pH sensing technology disrupt the continuous, autonomous operations required by modern industries, thereby hampering market growth.

Market Trends

The integration of wireless connectivity and IoT is fundamentally reshaping the market by enabling seamless data transmission and remote monitoring, advancing beyond simple local readouts to create fully connected industrial ecosystems. This technological evolution allows operators to access real-time sensor health data from hazardous or hard-to-reach locations without physical intervention, significantly enhancing operational visibility and safety. The demand for such connected instrumentation is reflected in the financial results of key industry players focusing on digital transformation. For instance, Yokogawa Electric Corporation reported in May 2025 that orders for its measuring instruments segment grew by 13.6 percent in fiscal year 2024, a trajectory explicitly supported by their strategic initiative to strengthen device connectivity across process industries.

Simultaneously, the adoption of single-use sensors in biopharmaceutical manufacturing is accelerating as the sector shifts from reusable stainless-steel equipment to disposable platforms to eliminate cleaning validation downtime and cross-contamination risks. These sensors, often gamma-irradiated and pre-calibrated, are integrated directly into single-use flow paths and bioreactors, offering a "plug-and-play" solution that supports the rapid changeovers necessary for producing cell therapies and high-value biologics. The scale of this trend is evident in the revenue of major suppliers; Sartorius reported in February 2025 that its 2024 sales revenue reached approximately 3.4 billion euros, a performance largely driven by robust demand within its Bioprocess Solutions division for the essential single-use technologies that underpin modern drug production.

Key Players Profiled in the pH Sensor Market

• 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.

Report Scope

In this report, the Global Ph Sensor Market has been segmented into the following categories:

Ph Sensor Market, by Type:

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

Ph Sensor Market, by Component:

• Hardware
• Services

Ph Sensor Market, by Product Type:

• Digital
• Analog

Ph Sensor Market, by System Type:

• Benchtop
• 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
• Others

Ph Sensor Market, by Region:

• North America
• Europe
• Asia-Pacific
• South America
• Middle East & Africa

Competitive Landscape

Company Profiles: Detailed analysis of the major companies present in the Global Ph Sensor Market.

Available Customization

The analyst offers customization according to your specific needs. The following customization options are available for the report:

• Detailed analysis and profiling of additional market players (up to five).

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