Differential Pressure Transducer

Differential Pressure Transducer Market Outlook

The global differential pressure transducer market is projected to reach an estimated value of USD 4.5 billion by 2035, growing at a compound annual growth rate (CAGR) of 6.3% from 2025 to 2035. The growth of this market is primarily driven by the increasing demand for precise pressure measurement across various industries, including HVAC, automotive, and healthcare. Additionally, the ongoing advancements in sensor technology, such as the development of more compact and accurate transducers, are augmenting market growth. The growing emphasis on energy efficiency, particularly in HVAC systems, is further propelling the adoption of differential pressure transducers. Moreover, the rising industrial automation and the need for robust monitoring and control systems are expected to fuel the market expansion in the coming years.

Growth Factor of the Market

The differential pressure transducer market is witnessing significant growth owing to numerous factors. One of the primary drivers of this market is the increasing need for precise measurement in various fields including HVAC systems, automotive applications, and industrial processes, which require accurate pressure monitoring for optimal performance. Additionally, the rise in industrial automation and the need for real-time data collection are compelling manufacturers to adopt advanced pressure measurement technologies. The healthcare industry's expansion, particularly in respiratory care and medical device manufacturing, is also contributing positively to the market, as differential pressure transducers are essential for monitoring and controlling fluid dynamics. Furthermore, regulatory requirements related to safety and efficiency across industries are propelling demand for reliable pressure sensors. Lastly, the trend towards energy efficiency and sustainability is leading to an uptick in the use of differential pressure transducers in systems designed to optimize energy consumption.

Key Highlights of the Market

• Projected growth at a CAGR of 6.3% from 2025 to 2035.
• Increase in demand for precise pressure measurement in various industries.
• Robust growth in the healthcare sector driving market demand.
• Advancements in sensor technology leading to more compact designs.
• Growing emphasis on energy efficiency and automation systems.

By Product Type

Diaphragm:

The diaphragm type differential pressure transducer is widely used due to its high accuracy and reliability. It operates based on the deflection of a flexible diaphragm when there is a difference in pressure across its surfaces. These transducers are particularly useful in applications where precise pressure measurement is essential, such as in HVAC systems and various industrial processes. Their robust design and ability to withstand harsh environmental conditions make them a popular choice among manufacturers. Moreover, the diaphragm type transducer can be designed for both absolute and gauge pressure measurements, adding to their versatility. With a growing focus on efficiency and performance optimization, the demand for diaphragm-based transducers is expected to rise significantly over the forecast period.

Bellows:

Bellows type differential pressure transducers utilize a series of convoluted chambers to measure pressure differences. This design enables them to be highly sensitive and suitable for measuring low-pressure differentials. They are often employed in applications such as gas flow measurements, HVAC systems, and pressure control systems. The flexibility of the bellows allows for a relatively high displacement, which contributes to measurement accuracy. These transducers are also known for their durability and ability to operate in corrosive environments, making them ideal for chemical processing and industrial applications. As industries increasingly adopt automation and require more sophisticated monitoring solutions, the bellows type transducers are gaining traction in the market.

Bourdon Tube:

The Bourdon tube differential pressure transducer is a traditional yet effective device for measuring pressure differentials. It operates based on the principle that a curved tube will straighten as pressure increases, which is translated into a mechanical movement. These transducers are commonly used in industrial applications, particularly in situations where high pressure and temperature conditions exist. Their robust construction and simplicity make them reliable for routine pressure monitoring and measurement. Although electronic alternatives are becoming more popular, Bourdon tube transducers remain widely used, especially in sectors that require straightforward, low-maintenance solutions. The ongoing need for reliable pressure monitoring in various applications ensures the continued relevance of Bourdon tube transducers in the market.

Piston:

Piston-type differential pressure transducers operate using a piston mechanism to measure pressure differences. This type of transducer is highly accurate and can measure higher pressure ranges compared to other types. Piston transducers are favored in applications where high resistance to shock and vibration is required, such as in the automotive and aerospace industries. Their ability to handle varying media types, including liquids and gases, makes them versatile for a range of applications. With the increasing demand for high-performance pressure measurement solutions, the piston type transducer is expected to see considerable growth in the coming years as industries seek to enhance measurement accuracy and reliability.

Capacitive:

Capacitive differential pressure transducers are known for their excellent sensitivity and accuracy, utilizing a capacitive sensor to measure changes in pressure. This technology is particularly effective in low-pressure applications and is often used in cleanroom environments and laboratory settings. Capacitive transducers can provide high-resolution measurements, making them ideal for applications in pharmaceuticals and biotechnology. Their compact size and low power consumption also make them suitable for portable and remote monitoring applications. As industries continue to focus on precision and data accuracy, the demand for capacitive pressure transducers is set to increase, further solidifying their position in the market.

By Application

HVAC:

The HVAC application segment is one of the significant contributors to the differential pressure transducer market. These devices play a crucial role in monitoring the pressure drop across filters, fans, and coils, ensuring efficient airflow and system performance. Accurate pressure measurement is essential for maintaining optimal conditions in heating, ventilation, and air conditioning systems. As the demand for energy-efficient HVAC systems rises, differential pressure transducers are increasingly integrated into smart building technologies for real-time monitoring and control. This segment's growth is also influenced by regulatory requirements for energy efficiency and indoor air quality, further promoting the adoption of these transducers.

Automotive:

In the automotive industry, differential pressure transducers are increasingly vital for various applications, including monitoring exhaust systems, fuel lines, and intake manifolds. These transducers help ensure optimal engine performance by measuring pressure differentials that can indicate blockages or leaks. The push towards electric and hybrid vehicles is also influencing the demand for advanced pressure monitoring systems, as manufacturers seek to optimize performance and efficiency. As vehicles become more technologically advanced and automated, the role of differential pressure transducers in enhancing performance and emissions compliance will continue to grow, promoting market expansion in the automotive sector.

Industrial:

The industrial application segment encompasses a wide array of sectors, including oil and gas, manufacturing, and chemical processing. Differential pressure transducers are crucial in monitoring process parameters such as fluid flow, filtration, and pressure control. Their ability to provide accurate measurements in challenging environments makes them indispensable in maintaining operational efficiency. As industries adopt more automated processes, the demand for reliable pressure monitoring solutions will intensify. Furthermore, the emphasis on safety and regulatory compliance within industrial operations will drive the need for robust differential pressure transducers, ensuring their sustained relevance in this segment.

Healthcare:

In the healthcare sector, differential pressure transducers are essential for various applications, particularly in patient monitoring systems and medical devices. These devices help measure the pressure in respiratory systems, ensuring that patients receive the appropriate ventilation and oxygen levels. Additionally, they are utilized in laboratory equipment, such as blood pressure monitors and infusion pumps, where precision is critical. The increasing focus on patient safety and the rise in chronic respiratory diseases are propelling the demand for accurate pressure measurement in healthcare devices. As the industry continues to innovate and develop advanced medical technologies, the demand for differential pressure transducers is set to grow significantly.

Aerospace:

The aerospace industry relies on differential pressure transducers for various applications, including monitoring fuel systems, hydraulic systems, and environmental controls within aircraft. These devices are critical for ensuring the safe and efficient operation of aircraft by providing accurate pressure measurements that can influence performance and safety. The stringent regulatory environment in the aerospace sector requires the use of reliable and precise measurement tools, leading to the increased adoption of differential pressure transducers. As the demand for air travel continues to rise, and as manufacturers pursue innovations in aircraft design, the demand for advanced pressure measurement solutions will drive market growth in the aerospace application segment.

By Distribution Channel

Online Stores:

The online distribution channel for differential pressure transducers has gained significant traction in recent years, driven by the growing e-commerce trend and the convenience it offers to consumers. Online platforms allow customers to access a wide range of products from various manufacturers, facilitating informed decision-making through reviews and comparisons. This distribution channel is particularly appealing to smaller businesses and individuals who may prefer the convenience of purchasing online without the need for in-person visits to stores. As online shopping continues to evolve, it is expected that more consumers will turn to this channel for their pressure transducer needs, further boosting market growth.

Direct Sales:

Direct sales remain a crucial distribution channel in the differential pressure transducer market, particularly for manufacturers focusing on industrial and commercial applications. This channel allows manufacturers to establish strong relationships with customers, providing tailored solutions and technical support that can enhance customer satisfaction. Direct sales also enable manufacturers to educate their clients about the specific features and benefits of their products, fostering a deeper understanding of the technology. As industries increasingly require specialized solutions, the direct sales channel is set to remain a significant contributor to market growth, especially among businesses that prioritize personalized service and support.

Distributors:

Distributors play a pivotal role in the differential pressure transducer market by serving as intermediaries between manufacturers and end-users. They facilitate the distribution process by maintaining inventory and providing logistical support, ensuring that customers have timely access to products. Distributors often have established relationships with various industries, allowing them to understand the specific needs and requirements of different sectors. As the demand for differential pressure transducers continues to rise, distributors will be essential in connecting manufacturers with end-users, further enhancing market penetration and product availability.

Retail Stores:

Retail stores are a traditional distribution channel for differential pressure transducers, catering primarily to local markets and smaller businesses. These stores provide customers with the opportunity to physically examine products before making a purchase, which can be particularly important for technical equipment. While online shopping is becoming more prevalent, retail stores still serve a valuable function by offering immediate access to products and personalized customer service. As the market evolves, retail stores may need to adapt by offering specialized products or online ordering options to remain competitive.

Wholesalers:

Wholesalers play a significant role in the supply chain for differential pressure transducers by purchasing large quantities from manufacturers and distributing them to various retailers and end-users. This distribution model allows for economies of scale, resulting in lower prices for consumers. Wholesalers often work closely with manufacturers to promote their products, ensuring that they are stocked in retail locations and available for immediate purchase. This channel is particularly beneficial for smaller manufacturers who may not have the resources to manage a direct sales force or a wide distribution network. As the differential pressure transducer market continues to grow, wholesalers are expected to play an essential role in facilitating product availability and market penetration.

By Technology

Strain Gauge:

Strain gauge technology is widely used in differential pressure transducers due to its high accuracy and sensitivity. This technology operates on the principle of measuring the deformation of a strain gauge in response to pressure changes. Strain gauge transducers are ideal for applications where precise measurement is critical, such as in aerospace, automotive, and industrial processes. Their robustness and ability to perform in challenging environments make them a popular choice among manufacturers. With ongoing advancements in strain gauge technology, including miniaturization and improved materials, the demand for these transducers is expected to grow, particularly in sectors that prioritize accuracy and reliability.

Capacitive:

Capacitive technology is known for its excellent sensitivity and linearity, making it a preferred choice for differential pressure transducers used in low-pressure applications. These transducers operate by measuring changes in capacitance resulting from pressure fluctuations, allowing for high-resolution measurements. They are commonly used in laboratory settings, cleanroom environments, and applications where precise pressure control is required. The compact design and low power consumption of capacitive transducers make them ideal for portable monitoring devices. As industries increasingly focus on precision and accuracy, the demand for capacitive technology in differential pressure transducers is poised to grow.

Piezoelectric:

Piezoelectric technology is utilized in differential pressure transducers that require rapid response times and high-frequency measurements. This technology relies on the piezoelectric effect, where materials generate an electrical charge in response to mechanical stress. Piezoelectric transducers are particularly useful in dynamic pressure measurement applications, such as in automotive testing and aerospace performance evaluations. Their ability to measure quick pressure changes makes them valuable for applications requiring real-time data collection. As industries continue to seek high-performance measurement solutions, the demand for piezoelectric differential pressure transducers is expected to rise significantly.

Potentiometric:

Potentiometric technology in differential pressure transducers is characterized by its ability to provide accurate measurements with low drift and high stability. These transducers use a potentiometer to measure the voltage difference resulting from pressure changes. Potentiometric transducers are often employed in applications where long-term stability and reliability are paramount, such as in monitoring industrial processes and environmental systems. Their robustness and precision make them suitable for a variety of applications, including medical devices and laboratory equipment. As the demand for reliable pressure measurement solutions continues to grow, the adoption of potentiometric technology in differential pressure transducers is expected to increase.

Optical:

Optical technology is an emerging method used in differential pressure transducers, leveraging light to measure pressure changes. These transducers utilize optical fibers or interferometry techniques to detect variations in pressure, offering advantages such as immunity to electromagnetic interference and the ability to operate in harsh environments. Optical transducers are particularly valuable in applications requiring high sensitivity and accuracy, such as in the aerospace and defense sectors. As industries increasingly embrace advanced measurement technologies, the demand for optical differential pressure transducers is projected to grow, driven by the need for precise and reliable measurement solutions in challenging conditions.

By Region

The differential pressure transducer market exhibits significant regional variations, with North America being a prominent player due to the presence of established aerospace, automotive, and healthcare industries. In 2023, North America accounted for approximately 35% of the global market share, driven by the growing demand for automation and high-precision pressure measurement solutions. The region is characterized by ongoing technological advancements and a strong focus on research and development, further propelling market growth. The projected CAGR for North America during the forecast period is estimated at around 5.5%, reflecting a steady increase in demand for differential pressure transducers across various applications.

Europe is another key region in the differential pressure transducer market, contributing about 30% of the total market share in 2023. The region's growth is supported by stringent regulations regarding safety and efficiency in industries such as pharmaceuticals and manufacturing. As European manufacturers continue to prioritize energy efficiency and process optimization, the demand for reliable pressure measurement solutions is expected to rise. The CAGR for the European market is projected to be around 6.8%, driven by the integration of advanced technologies and the increasing adoption of differential pressure transducers in various sectors.

Opportunities

The differential pressure transducer market presents various opportunities as industries increasingly prioritize automation and precision measurement. With the rise of smart technologies and the Internet of Things (IoT), there is a growing demand for advanced sensor technologies that can provide real-time data. This trend opens avenues for manufacturers to develop innovative products that integrate seamlessly with smart systems, enhancing their functionalities and providing users with valuable insights. Additionally, the expanding healthcare sector offers significant potential for growth, especially with the increasing focus on patient monitoring and the development of medical devices. As healthcare technologies continue to advance, differential pressure transducers will play a crucial role in ensuring accurate measurements and improving patient outcomes.

Another opportunity lies in the expansion of renewable energy sources, such as wind and solar power, where differential pressure transducers are essential for monitoring system performance. As governments and industries around the world seek to transition towards more sustainable energy solutions, the demand for reliable pressure measurement in these applications will grow. Furthermore, emerging markets in Asia Pacific, Latin America, and the Middle East & Africa present growth opportunities as industries in these regions expand and modernize. By establishing a strong presence in these markets, manufacturers can capitalize on the increasing demand for differential pressure transducers and drive long-term growth.

Threats

While the differential pressure transducer market is poised for growth, several threats could impede its expansion. One of the primary challenges is the rapid pace of technological advancements, which can lead to shorter product life cycles and increased competition. Manufacturers must continuously invest in research and development to keep pace with evolving technologies and maintain a competitive edge. Additionally, fluctuations in raw material prices may pose a risk to profit margins, particularly for manufacturers reliant on specific materials for their transducer products. Supply chain disruptions, as witnessed during recent global crises, can also impact production capabilities and delivery timelines, further complicating market dynamics.

Another significant threat is the emergence of alternative technologies that could potentially replace traditional differential pressure transducers. As industries explore new measurement methods, such as digital and wireless technologies, there could be a shift in demand away from conventional transducers. Manufacturers must remain vigilant and adapt to changing market trends to mitigate the risk of obsolescence. Moreover, regulatory challenges in various regions regarding product standards and certifications could pose barriers to market entry for smaller manufacturers, limiting competition and innovation in the sector.

Competitor Outlook

• Honeywell International Inc.
• Siemens AG
• Emerson Electric Co.
• ABB Ltd.
• Endress+Hauser AG
• TE Connectivity Ltd.
• Omega Engineering Inc.
• Johnson Controls International plc
• GE Measurement & Control
• Vishay Precision Group, Inc.
• Siemens AG
• Setra Systems, Inc.
• Keller AG für Druckmesstechnik
• All Sensors Corporation
• Ametek, Inc.

The competitive landscape of the differential pressure transducer market is characterized by a mix of established players and emerging companies striving to gain market share through innovation and strategic partnerships. Major companies are focusing on enhancing their product offerings by integrating advanced technologies such as IoT and smart sensors. Additionally, these organizations are investing in research and development to improve the accuracy, reliability, and efficiency of their transducer products, catering to the specific needs of various industries. The growing emphasis on automation and smart technologies is driving companies to collaborate with technology partners, enabling them to leverage expertise and expand their market reach.

Companies like Honeywell International Inc. and Siemens AG are leading the market with their extensive portfolios of differential pressure transducers and a strong emphasis on advanced technology integration. Honeywell, for instance, offers a range of pressure sensors featuring both traditional and digital capabilities, aimed at improving measurement precision across industries. Siemens, on the other hand, has a robust focus on automation solutions, enabling seamless integration of their differential pressure transducers into smart systems and enhancing overall efficiency. These companies continue to invest in expanding their product lines to meet the evolving demands of the market.

Emerging players, such as All Sensors Corporation and Setra Systems, are also making strides in the differential pressure transducer market by offering niche products tailored to specific applications. These companies are focusing on delivering high-performance solutions at competitive prices, allowing them to carve out their niche in a competitive landscape. Furthermore, as the market grows, smaller players are likely to emerge, creating additional competition and driving innovation. Overall, the competitive dynamics within the differential pressure transducer market will continue to evolve, shaped by technological advancements, changing consumer preferences, and regulatory developments.

• 1 Appendix

  • 1.1 List of Tables
  • 1.2 List of Figures

• 2 Introduction

  • 2.1 Market Definition
  • 2.2 Scope of the Report
  • 2.3 Study Assumptions
  • 2.4 Base Currency & Forecast Periods

• 3 Market Dynamics

  • 3.1 Market Growth Factors
  • 3.2 Economic & Global Events
  • 3.3 Innovation Trends
  • 3.4 Supply Chain Analysis

• 4 Consumer Behavior

  • 4.1 Market Trends
  • 4.2 Pricing Analysis
  • 4.3 Buyer Insights

• 5 Key Player Profiles

  • 5.1 ABB Ltd.
    • 5.1.1 Business Overview
    • 5.1.2 Products & Services
    • 5.1.3 Financials
    • 5.1.4 Recent Developments
    • 5.1.5 SWOT Analysis
  • 5.2 Siemens AG
    • 5.2.1 Business Overview
    • 5.2.2 Products & Services
    • 5.2.3 Financials
    • 5.2.4 Recent Developments
    • 5.2.5 SWOT Analysis
  • 5.3 Ametek, Inc.
    • 5.3.1 Business Overview
    • 5.3.2 Products & Services
    • 5.3.3 Financials
    • 5.3.4 Recent Developments
    • 5.3.5 SWOT Analysis
  • 5.4 Endress+Hauser AG
    • 5.4.1 Business Overview
    • 5.4.2 Products & Services
    • 5.4.3 Financials
    • 5.4.4 Recent Developments
    • 5.4.5 SWOT Analysis
  • 5.5 Setra Systems, Inc.
    • 5.5.1 Business Overview
    • 5.5.2 Products & Services
    • 5.5.3 Financials
    • 5.5.4 Recent Developments
    • 5.5.5 SWOT Analysis
  • 5.6 Emerson Electric Co.
    • 5.6.1 Business Overview
    • 5.6.2 Products & Services
    • 5.6.3 Financials
    • 5.6.4 Recent Developments
    • 5.6.5 SWOT Analysis
  • 5.7 TE Connectivity Ltd.
    • 5.7.1 Business Overview
    • 5.7.2 Products & Services
    • 5.7.3 Financials
    • 5.7.4 Recent Developments
    • 5.7.5 SWOT Analysis
  • 5.8 Omega Engineering Inc.
    • 5.8.1 Business Overview
    • 5.8.2 Products & Services
    • 5.8.3 Financials
    • 5.8.4 Recent Developments
    • 5.8.5 SWOT Analysis
  • 5.9 All Sensors Corporation
    • 5.9.1 Business Overview
    • 5.9.2 Products & Services
    • 5.9.3 Financials
    • 5.9.4 Recent Developments
    • 5.9.5 SWOT Analysis
  • 5.10 GE Measurement & Control
    • 5.10.1 Business Overview
    • 5.10.2 Products & Services
    • 5.10.3 Financials
    • 5.10.4 Recent Developments
    • 5.10.5 SWOT Analysis
  • 5.11 Honeywell International Inc.
    • 5.11.1 Business Overview
    • 5.11.2 Products & Services
    • 5.11.3 Financials
    • 5.11.4 Recent Developments
    • 5.11.5 SWOT Analysis
  • 5.12 Vishay Precision Group, Inc.
    • 5.12.1 Business Overview
    • 5.12.2 Products & Services
    • 5.12.3 Financials
    • 5.12.4 Recent Developments
    • 5.12.5 SWOT Analysis
  • 5.13 Johnson Controls International plc
    • 5.13.1 Business Overview
    • 5.13.2 Products & Services
    • 5.13.3 Financials
    • 5.13.4 Recent Developments
    • 5.13.5 SWOT Analysis
  • 5.14 Keller AG für Druckmesstechnik
    • 5.14.1 Business Overview
    • 5.14.2 Products & Services
    • 5.14.3 Financials
    • 5.14.4 Recent Developments
    • 5.14.5 SWOT Analysis

• 6 Market Segmentation

  • 6.1 Differential Pressure Transducer Market, By Technology
    • 6.1.1 Strain Gauge
    • 6.1.2 Capacitive
    • 6.1.3 Piezoelectric
    • 6.1.4 Potentiometric
    • 6.1.5 Optical
  • 6.2 Differential Pressure Transducer Market, By Product Type
    • 6.2.1 Diaphragm
    • 6.2.2 Bellows
    • 6.2.3 Bourdon Tube
    • 6.2.4 Piston
    • 6.2.5 Capacitive
  • 6.3 Differential Pressure Transducer Market, By Distribution Channel
    • 6.3.1 Online Stores
    • 6.3.2 Direct Sales
    • 6.3.3 Distributors
    • 6.3.4 Retail Stores
    • 6.3.5 Wholesalers

• 7 Competitive Analysis

  • 7.1 Key Player Comparison
  • 7.2 Market Share Analysis
  • 7.3 Investment Trends
  • 7.4 SWOT Analysis

• 8 Research Methodology

  • 8.1 Analysis Design
  • 8.2 Research Phases
  • 8.3 Study Timeline

• 9 Future Market Outlook

  • 9.1 Growth Forecast
  • 9.2 Market Evolution

• 10 Geographical Overview

  • 10.1 Europe - Market Analysis
    • 10.1.1 By Country
      • 10.1.1.1 UK
      • 10.1.1.2 France
      • 10.1.1.3 Germany
      • 10.1.1.4 Spain
      • 10.1.1.5 Italy
  • 10.2 Asia Pacific - Market Analysis
    • 10.2.1 By Country
      • 10.2.1.1 India
      • 10.2.1.2 China
      • 10.2.1.3 Japan
      • 10.2.1.4 South Korea
  • 10.3 Latin America - Market Analysis
    • 10.3.1 By Country
      • 10.3.1.1 Brazil
      • 10.3.1.2 Argentina
      • 10.3.1.3 Mexico
  • 10.4 North America - Market Analysis
    • 10.4.1 By Country
      • 10.4.1.1 USA
      • 10.4.1.2 Canada
  • 10.5 Middle East & Africa - Market Analysis
    • 10.5.1 By Country
      • 10.5.1.1 Middle East
      • 10.5.1.2 Africa
  • 10.6 Differential Pressure Transducer Market by Region

• 11 Global Economic Factors

  • 11.1 Inflation Impact
  • 11.2 Trade Policies

• 12 Technology & Innovation

  • 12.1 Emerging Technologies
  • 12.2 AI & Digital Trends
  • 12.3 Patent Research

• 13 Investment & Market Growth

  • 13.1 Funding Trends
  • 13.2 Future Market Projections

• 14 Market Overview & Key Insights

  • 14.1 Executive Summary
  • 14.2 Key Trends
  • 14.3 Market Challenges
  • 14.4 Regulatory Landscape

Segments Analyzed in the Report

The global Differential Pressure Transducer market is categorized based on

By Product Type

• Diaphragm
• Bellows
• Bourdon Tube
• Piston
• Capacitive

By Distribution Channel

• Online Stores
• Direct Sales
• Distributors
• Retail Stores
• Wholesalers

By Technology

• Strain Gauge
• Capacitive
• Piezoelectric
• Potentiometric
• Optical

By Region

• North America
• Europe
• Asia Pacific
• Latin America
• Middle East & Africa

Key Players

• Honeywell International Inc.
• Siemens AG
• Emerson Electric Co.
• ABB Ltd.
• Endress+Hauser AG
• TE Connectivity Ltd.
• Omega Engineering Inc.
• Johnson Controls International plc
• GE Measurement & Control
• Vishay Precision Group, Inc.
• Siemens AG
• Setra Systems, Inc.
• Keller AG für Druckmesstechnik
• All Sensors Corporation
• Ametek, Inc.