50 World Famous Sensor Manufacturing Companies

Distribution Region

The United States

As early as the 1980s, the United States recognized that the world was entering the sensor era. The U.S. government established the National Technology Group to help organize and lead the development of sensor technologies across major companies and public enterprises. Six of the 22 technologies identified as critical to long-term national security and economic prosperity were directly related to sensor and information processing technology. Of the key technologies deemed essential to maintaining the quality advantage of U.S. weapons systems, eight involved passive sensors.

U.S. sensor development started in the military sector and later transitioned to civilian applications. The industry emphasizes:

(1) Research of sensor functional materials;

(2) Development of sensor technology;

(3) Process development and manufacturing studies.

1. TE Connectivity (formerly Measurement Specialties Inc.)

TE Connectivity acquired Measurement Specialties Inc. in 2014, bringing together world-leading MEMS manufacturing technology and expertise in producing various types of sensors. Products are widely used in aerospace, defense, military, mechanical equipment, industrial automation, automotive electronics, medical care, home appliances, HVAC (heating, ventilation, air conditioning), petrochemical, air compressors, meteorological testing, instrumentation, and other fields.

The company was first in the industry to realize batch processing technology for silicon MEMS, first to commercialize LVDT (Linear Variable Differential Transformer) technology, and first to transform Piezo Film technology into low-cost commercial sensors and vital sign sensors.

Main sensor products: pressure and dynamic pressure sensors, displacement sensors, tilt and angular displacement sensors, Hall encoders, magnetoresistive sensors, acceleration sensors, vibration sensors, humidity sensors, temperature sensors, and more.

Figure 1. TE Pressure Sensor

2. Honeywell International Inc.

Honeywell International Inc. is a diversified multinational company and a world leader in technology and manufacturing. Its business spans multiple fields globally. Micro Switch was founded in 1935 and later joined Honeywell to become part of Honeywell Sensing and Control (now Honeywell Sensing and Productivity Solutions). The company developed the world's first STC3000 intelligent pressure sensor and currently offers more than 20 series with nearly 60,000 products, serving approximately 300,000 users worldwide. For over half a century, Honeywell's Sensing and Control Department has earned a high reputation worldwide for its excellent product quality, reliability, and continuous technological innovation.

Main sensor products: diffused silicon pressure sensors, transmitters, ceramic capacitive pressure transmitters, diffused silicon and ceramic capacitive liquid level transmitters, digital pressure gauges, pressure calibrators, and more.

Honeywell Thermistor

3. Keller America, Inc.

Keller is closely associated with the development of piezoresistive technology. Shortly after developing the first piezoresistive pressure sensor, Mr. Keller founded Keller in 1975, which has become a global leader in providing pressure measurement solutions. The company produces 1 million sensors annually and offers 10 series of OEM pressure sensor products.

Main sensor products: pressure sensors, pressure transmitters, and related measurement instruments.

4. Emerson Electric Co.

Emerson Electric Company was established in St. Louis, Missouri, USA in 1890 as a manufacturer of motors and fans. After more than 130 years of development, Emerson has grown from a regional manufacturer into a global technology and engineering company. The company has consistently ranked among the Fortune 500 and maintains a leading position in industrial automation and commercial solutions.

Main sensor products: vibration sensors, pH sensors, temperature sensors, pressure sensors, and flow measurement devices.

5. Rockwell Automation Co., Ltd.

Rockwell Automation is a century-old industrial automation leader, occupying a leading position in power, control, and information technology for global industrial automation. The company entered China in 1988 and has manufacturing facilities in Shanghai, providing world-class products, solutions, service support, and technical training for the Chinese manufacturing industry.

Rockwell Automation provides expert support across various industrial sectors, including mining, cement, crane and marine applications, subways, semiconductors, water and wastewater treatment, tires, petroleum and petrochemicals, metallurgy, automotive, food and beverage, power, and energy.

Main sensor products: pressure sensors, temperature sensors, capacitive proximity sensors, inductive proximity sensors, photoelectric sensors, ultrasonic sensors, and more.

Rockwell Automation Tubular Capacitive Proximity Sensors

6. General Electric Company (GE)

General Electric Company (GE) is a diversified technology and industrial company and one of the world's leading sensor manufacturers. Founded in 1892, GE is committed to continuous innovation and invention to solve customer problems. The company operates across multiple sectors including aviation, healthcare, power, renewable energy, and digital industry. GE's products and services range from aircraft engines and power generation equipment to medical imaging, industrial products, and advanced sensing technologies.

Main sensor products: automotive sensors, pressure sensors, temperature sensors, optical sensors, vibration sensors, and industrial IoT sensors.

7. Raytek Corporation (now part of Fluke Process Instruments)

Raytek Corporation, now part of Fluke Process Instruments (a Fortive company), is one of the world's largest manufacturers of non-contact infrared temperature sensors, with sales ranking first in the industry globally. The company provides approximately 13 series and hundreds of varieties of infrared temperature sensors. The temperature measurement range covers from -50°C to 3000°C. Raytek infrared temperature sensors are widely used in equipment fault diagnosis, metallurgy, heat treatment, power generation, railways, food processing, and many other fields.

Main sensor products: infrared temperature sensors, thermal imaging systems, and non-contact temperature measurement devices.

8. PCB Piezotronics, Inc.

PCB Piezotronics, Inc. is a world-renowned manufacturer of sensors and measuring instruments. Founded in 1967, the company is dedicated to the research, development, and manufacturing of piezoelectric measurement technology. Its pioneering ICP® (Integrated Circuit Piezoelectric) sensor technology enjoys an excellent reputation worldwide. The company's acceleration, pressure, force, torque sensors, and corresponding measuring instruments are widely used in aviation, aerospace, marine, defense, nuclear, petrochemical, hydropower, electric power, light industry, transportation, and automotive sectors.

Main sensor products: sensors for acceleration, pressure, force, torque, vibration, acoustics, modal and underwater sound measurement, and supporting instruments and equipment.

PCB Piezotronics Torque Sensors

9. Banner Engineering Corp.

Headquartered in Minnesota, USA, Banner Engineering Corporation is a world-leading automation technology expert and total solution provider. With over 50 years of development, innovation has always been the driving force behind product application, research, and development. The company offers more than 30,000 products and maintains one of the most complete product lines in the industry.

Main sensor products: photoelectric sensors, vision sensors, rotary encoders, safety light curtains, ultrasonic sensors, and wireless sensor networks.

10. Merit Sensor Systems

Merit Sensor Systems is a leader in the field of piezoresistive pressure sensors. The company's products feature an operating temperature range from -40°C to 150°C, providing high-performance solutions for various applications including medical, industrial, HVAC, and automotive markets.

Main sensor products: piezoresistive pressure chips, pressure sensors, and custom sensor solutions.

11. STS Sensors (Sensata Technologies)

Now part of Sensata Technologies, this company is one of the world's largest and most capable professional sensor manufacturers. It provides various types of general sensors and specialized explosion-proof, anti-vibration weight sensors with high-temperature resistance up to 200°C and low-temperature resistance down to -50°C. The company also provides various weighing components, display controllers, and transmitters (including multi-level explosion-proof devices). Its weight sensors occupy a significant market share in the United States, and products have entered more than 60 industrialized countries.

Main sensor products: weight sensors, high-temperature sensors, pressure sensors, and specialized industrial sensing solutions.

STS Temperature Sensor

Germany

Germany regards sensor technology as a priority in technology development and fully utilizes its inherent advantages as an established industrial power. German manufacturers have integrated their brand reputation with advantages in technology development and quality management, significantly improving the market competitiveness of their products. The industry focuses on conserving raw material costs while investing heavily in human capital to maintain leadership in product technology and thus sustain higher market share.

12. SIEMENS AG

Siemens has been active in the global market and maintains a leading position in industrial automation, energy, and medical technology. The company is committed to product development and manufacturing, designing and installing complex systems and engineering solutions, and customizing comprehensive solutions for clients. Siemens is also a world-renowned sensor manufacturer known for excellent sensor quality and reliability.

Main sensor products: temperature sensors, pressure sensors, flow sensors, level sensors, and sensors used in industrial automation products.

13. WIKA Alexander Wiegand SE & Co. KG

WIKA is a well-known company in the international pressure and temperature instrument market, with annual revenue exceeding 1 billion euros. There are over 500 million measuring instruments worldwide produced by WIKA. While supplying high-quality measuring instruments, the company also provides customers with comprehensive solutions and integrates them into production processes.

Main sensor products: temperature sensors, pressure sensors, level sensors, and calibration equipment.

WIKA Temperature Sensor

14. TDK-EPCOS (formerly EPCOS AG)

TDK-EPCOS (EPCOS was acquired by TDK Corporation in 2008) develops, manufactures, and sells electronic components, modules, and systems, focusing on rapidly growing cutting-edge technology markets, including automotive electronics, information and communication technology, industrial electronics, and consumer electronics. The company's sales network is densely spread worldwide, with many products holding leading positions in the global market.

Main sensor products: temperature sensors, liquid level sensors, pressure sensors, NTC thermistors, and PTC thermistors.

15. First Sensor AG

First Sensor AG (acquired by TE Connectivity in 2020) was separated from the core research department of the Technical University of Berlin in Germany in 1999. Due to strong technical capabilities, a spirit of innovation, precise understanding of customer needs, and high responsibility toward employees, it became a leader in the pressure-sensing technology market.

The company devoted itself to pressure sensor research and successfully increased the maximum working temperature of products to 225°C. It produces millions of pressure sensor chips annually and operates workshops with 100,000 to 10,000 ultra-clean grade standards.

Main sensor products: pressure-sensitive chips, pressure sensors, optical sensors, and imaging sensors.

16. Balluff GmbH

Founded in 1921, Balluff GmbH is one of the world's leading sensor manufacturers. Its products include a complete BNS series of electronic and electromechanical travel switches, BOS photoelectric switches, BES inductive proximity switches, capacitive switches, BMF magnetic switches, BTL linear displacement sensors, RFID identification systems, and various connectors. In a wide range of industrial applications, especially in the field of mechanical equipment, it provides users with innovative and experienced sensor application solutions.

Main sensor products: photoelectric sensors, displacement sensors, inductive/capacitive proximity sensors, vision sensors, RFID systems, and IO-Link devices.

Balluff Photoelectric Sensor

17. Hans TURCK GmbH & Co. KG

The Turck Group was established in the early 1960s, with branches in the United States, Switzerland, China, and offices in the United Kingdom, the Netherlands, Belgium, Japan, and other countries and regions. It has developed into a professional multinational group company and is one of the world's largest professional companies producing proximity switch sensors, industrial fieldbuses, intrinsically safe isolated barriers, and various quick connectors for industrial use.

Main sensor products: inductive/magnetic inductive/capacitive proximity switch sensors, photoelectric sensors, intrinsically safe isolated barriers, flow switch sensors, fieldbus products, IO-Link devices, and various connectors.

18. Pepperl+Fuchs SE

Pepperl+Fuchs is one of the world's most famous and largest sensor professional companies, with a wide range of products in large quantities and reliable quality. The company was founded in 1945 and introduced the revolutionary first-generation inductive sensor to the world in 1958, which was successfully used in the chemical and petroleum industries.

The company provides specialized research and high-quality products including inductive sensors, ultrasonic sensors, photoelectric sensors, rotary encoders, identification systems, fieldbus systems, liquid level sensors, safety light curtains, explosion-proof sensors, safety barriers, and isolated barriers.

Main sensor products: inductive/capacitive/magnetic proximity switches, distance sensors, photoelectric sensors, encoders, vision sensors, tilt sensors, ultrasonic sensors, and explosion-proof equipment.

19. SICK AG

SICK AG was founded in 1946. Today, SICK has established subsidiaries in more than 50 countries worldwide, with a complete range of sensors of excellent quality. The company is a leading manufacturer of intelligent sensors and sensor solutions for industrial applications.

Main sensor products: ultrasonic sensors, capacitive/inductive/electromagnetic proximity sensors, magnetic cylinder sensors, color mark sensors, fluorescent sensors, color sensors, distance sensors, LiDAR sensors, and vision systems.

SICK Long Range Distance Sensors

20. Di-soric Industrie-electronic GmbH & Co. KG

Established in 1986, Di-soric has maintained an internationally leading position with continuous innovation and excellent quality advantages. The company passed ISO 9001 certification and introduced an advanced automatic ERP logistics warehouse management system. Di-soric adheres to the consistent rigorous and pragmatic style of German companies, with products featuring high quality and reliability, with 100% testing. The company invests heavily in research and development and has obtained many patents. Its U-type/L-type photoelectric sensors have become standard products in the sensor industry.

Main sensor products: focus/reflective sensors, programmable color mark sensors, capacitive label sensors, inductive loop sensors, ring/angle/fork/frame type grating sensors, and proximity switches.

21. Sensortechnics GmbH (now part of Amphenol)

Sensortechnics, now part of Amphenol Advanced Sensors, is a well-known German manufacturer of precision pressure sensors. The company provides products with pressure ranges from 1 mbar to 1000 bar. It develops and manufactures pressure sensors and sensing systems, liquid level sensors and switches, as well as oxygen sensors and flow sensors, specializing in producing sensors and highly customized complex integrated remote sensing systems to provide customers with OEM fluid control systems.

Main sensor products: pressure sensors, miniature oxygen sensors, photoelectric liquid level switches, electronic pressure switches, and flow sensors.

22. Ahlborn Mess- und Regelungstechnik GmbH

The company specializes in the production of data acquisition systems and data acquisition units. Due to the use of core patented technology, applications are very convenient, with readily available software, systems, and sensors. The company offers many types of sensors with excellent and unique applications and has advantages in measuring large generators and compressor tools.

Main sensor products: various indoor parameter measurement sensors, meteorological parameter sensors, water quality analysis sensors, and infrared temperature measurement sensors.

Ahlborn Meteorological Sensors

23. Proxitron GmbH

The company has decades of history in the hot metal detection and proximity sensor industries, and its brand enjoys a good reputation worldwide.

Its products are reliable, safe, and authoritative. The proximity switches are among the world's most resistant to harsh conditions, and the infrared hot metal detector is its specialty product, which can be applied to hot metal detection and identification on steel pipe production lines or to judge whether the temperature of objects is correct.

Main sensor products: high-temperature sensors, thermal flow sensors, infrared temperature sensors, and grating sensors.

24. Christian Bürkert GmbH & Co. KG

The company is a global leader in the field of fluid control. It has distributors and cooperative partners in over 40 countries and regions worldwide and has established extensive client networks. Every year, the company's employees are committed to developing new and highly advanced products and measurement and control unit solutions in system integration processes. It maintains relatively high investment in R&D, contributing to its advanced technical solutions and excellent service.

Main sensor products: flow sensors, gas sensors, pressure sensors, analysis sensors, and temperature sensors.

25. Infineon Technologies AG

Infineon Technologies AG, headquartered in Neubiberg, Germany, provides semiconductor and system solutions for three major technological challenge areas in modern society: energy efficiency, connectivity, and security. Infineon invests an average of 17% of sales annually in research and development and holds over 25,000 patents worldwide. The company is one of the world's leading semiconductor companies, producing semiconductor sensors with excellent performance.

Main sensor products: pressure sensors, magnetic sensors, tire pressure sensors, radar sensors, MEMS microphones, and ToF (Time-of-Flight) sensors.

Infineon's XENSIV™ Pressure Sensor

Switzerland

26. Metallux SA

Founded in 1986, Metallux is a world-leading manufacturer of thick-film technology electronic equipment. The company operates in a wide range of fields and can meet the special needs of enterprises and users. Its customers come from the automotive industry, electronics industry, medical sector, and other industrial sectors.

Main sensor products: linear and rotary sensors, ceramic and stainless steel pressure sensors, and metal foil sensors.

27. KELLER AG für Druckmesstechnik

KELLER AG für Druckmesstechnik is a world-famous manufacturer of diffused silicon piezoresistive pressure sensors, with strong R&D capabilities and complete product lines from low-priced industrial models to high-precision models meeting laboratory requirements. Products are widely used in aviation, marine, rail, automotive pressure measurement systems, construction machinery, petroleum, petrochemical, power stations, environmental protection, metallurgy, air conditioning, and other fields.

Main sensor products: diffused silicon pressure sensors, transmitters, ceramic capacitive pressure sensors, diffused silicon and ceramic capacitive liquid level sensors, digital pressure gauges, and pressure calibrators.

Keller Digital Pressure Gauge

28. Endress+Hauser Group

Endress+Hauser was founded in 1953 and is headquartered in Reinach, Switzerland. It has established large-scale production centers in Germany, Switzerland, France, the United States, Japan, and other industrialized countries, with over 100 subsidiaries distributed worldwide. The company's quality management and complete quality assurance system meet ISO 9001 international standards.

Main sensor products: sensors for process control, level measurement, flow measurement, pressure measurement, temperature measurement, and analytical instrumentation.

29. Baumer Group

Over the past decades, Baumer Group has become an internationally recognized leading supplier of sensors. It provides innovative high-quality sensor products for factory and process automation industry applications and has a rich standard product portfolio based on various sensor technologies.

Main sensor products: photoelectric sensors, inductive sensors, capacitive sensors, ultrasonic sensors, force/strain/pressure sensors, magnetic sensors, vision sensors, and encoders.

30. MEMSENS

MEMSENS company is located in the center of Swiss microelectronics technology and micromachining technology, surrounded by famous universities and research institutions in Europe and the world, maintaining close contact and cooperation with them.

It specializes in the development and manufacture of pressure sensors and pressure transmitters. The company has introduced major products to the market: OEM pressure sensors and supporting pressure transmitters. In addition to several standard products, it mainly designs and provides non-standard products and technical services for users, including sensor technology development and consulting.

Main sensor products: sensor cores, isolated pressure sensors, and pressure transmitters.

Memsens Pressure Sensor

Italy

31. MICROTEL Tecnologie Elettroniche S.p.A.

The company has a team of engineers engaged in ceramic thick film technology for many years. In 1989, Microtel established a sensor division with the ability to independently design and develop ceramic pressure sensors.

Since the mid-1990s, Microtel has formed a European group company, focusing on technology products, and has established relevant branches in Germany, France, and Italy. It is a member of the International Microelectronics and Packaging Society (IMAPS) and participates in European research and development programs.

Main sensor products: ceramic thick film pressure sensors and custom sensor solutions.

32. Datalogic S.p.A.

Datalogic's Automation Department is one of the major manufacturers of automatic identification systems in the global industrial field, providing customers with comprehensive automation solutions, including industrial sensors, industrial safety protection, automatic barcode scanning systems, machine vision systems, and RFID technology solutions. Its famous TLu, TL80, TL10, S60-W, S50-W, and other color mark sensor products occupy a leading position in the world color mark sensor market.

Main sensor products: color mark sensors, microsensors, tube sensors, reflection and fluorescence sensors, color sensors, miniature sensors, fiber optic color sensors, and vision systems.

Datalogic Miniature Photoelectric Sensor

33. Gefran S.p.A.

The Gefran Group is headquartered in Italy and has manufacturing plants worldwide. It has certain advantages in the production and application of melt-pressure sensors.

Main sensor products: linear displacement sensors, tension sensors, melt pressure sensors, pressure sensors, temperature sensors, relative humidity sensors, and position transducers.

Japan

Japan ranks sensor technology among its top ten technologies. It attaches great importance to the development and use of sensor technology, listing it as one of the six national core technologies.

There were 70 key topics in the key scientific research projects formulated by the Japan Science and Technology Agency in the 1990s, of which 18 were closely related to sensor technology. Japanese sensor companies focus on practicality and commercialization, with approximately 800 manufacturers producing and developing sensors.

34. Yokogawa Electric Corporation

Yokogawa Electric Corporation is a world-renowned leader in measurement, industrial automation control, and information systems. Since its establishment in 1915, it has been committed to providing users with cutting-edge expertise and supporting customers to improve business efficiency.

The core of its measurement technology business—the Measurement Instruments Division—offers high-stability and high-reliability products and measurement technology ahead of the times. Through mergers and acquisitions, the production field of communication measuring instruments has been further expanded. In the field of information processing, cutting-edge technology has also been fully utilized.

Currently, medical image information systems have been applied in many hospitals, contributing to supporting medical and healthcare informationization.

Main sensor products: EJA resonant pressure sensors, pH sensors, flow sensors, temperature sensors, and process analyzers.

Yokogawa Pure Water pH and ORP Sensors

35. OMRON Corporation

Omron Group offers dozens of product categories, involving a wide range of fields such as industrial automation control systems, electronic components, automotive electronics, social systems, and health and medical equipment. It is a world-renowned manufacturer of automation control and electronic equipment, mastering world-leading sensor and control core technology.

Main sensor products: temperature/humidity sensors, proximity sensors, photoelectric sensors, pressure sensors, flow sensors, and safety sensors.

36. Fuji Electric Co., Ltd.

The Fuji Electric Group maximizes enterprise value by creating economic profits, with contribution to society, shareholders, and investors as its basic management policy. The company's silicon capacitance sensors and transmitters are unique in technical solutions, especially in terms of static pressure protection.

Main sensor products: pressure sensors, capacitive sensors, transmitters, and power electronics.

37. KEYENCE Corporation

With the rapid development of industrial automation, KEYENCE, as a major supplier of sensors and measuring instruments, continuously develops and manufactures newer and more reliable products to meet the needs of various manufacturing industries. The company has been committed to supporting users and assisting them to become leaders in their industries.

Main sensor products: fiber optic sensors, photoelectric sensors, digital laser sensors, contact sensors, RGB color sensors, proximity sensors, pressure sensors, vision systems, and measurement systems.

Keyence Digital Fiber Optic Sensors

India

38. Sunpro Instruments (India) Pvt. Ltd.

Established in 1933, the company is a professional instrument electronics production and marketing company. To maintain its competitive advantage in the global market and continuously improve its technology, the research and development department has been satisfying customer needs with high-quality products. Products are mainly applied in foundries, sugar factories, heat treatment machine manufacturing, agricultural equipment manufacturing, and meteorological equipment manufacturing.

Main sensor products: pressure sensors, wind speed sensors, temperature and humidity sensors, and industrial instrumentation.

39. Haris Sensor Technologies Pvt. Ltd.

The company is a pioneer in the production of pressure, flow indicators, and digital transmission systems in India, providing advanced sensors for Indian industry, military installations, atomic research, and space research organizations.

Main sensor products: pressure sensors, flow/level sensors, and transmitters.

Harssensor Pressure Sensor

40. Syscon Instruments Pvt. Ltd.

The company initially provided products for research institutes and universities, and now its products have penetrated into automotive and other industrial fields. Through cooperation with foreign companies, the products can meet the needs of more complex and sensitive measuring instruments and systems.

Main sensor products: load cells, displacement sensors, pressure sensors, torque sensors, vibration sensors, machine tool sensors, drill sensors, and grinding tool sensors.

41. Ajay Sensors & Instruments

The company has developed into a supplier of export temperature sensors, humidity sensors, atmospheric temperature/humidity, and barometric sensors, enjoying a certain reputation in the electronics field. It has rich experience in producing pressure sensors, temperature sensors, signal conditioners, and controllers.

Main sensor products: temperature sensors, humidity sensors, pressure sensors, signal conditioners, and control systems.

South Korea

42. Green Sensor Co., Ltd.

By introducing new technologies and developing new products, Green Sensor produces high-quality products that meet customer needs.

Main sensor products: pressure sensors, high-temperature pressure sensors, differential pressure sensors, and temperature sensors.

GSSC Pressure Digital Manometer

43. Wise Control Inc.

After more than 40 years, Wise Control Inc. has maintained an internationally leading position in the field of pressure, temperature, and natural gas measurement through continuous innovation and excellent quality advantages. The company has highly professional production lines, modern production facilities, service centers, and more than 60 branches worldwide.

Main sensor products: capacitive pressure sensors, pressure transmitters, and temperature measurement devices.

44. Sensor System Technology Co., Ltd.

Established in 1998, the company mainly develops high-precision sensors and is a professional manufacturer of sensors.

Main sensor products: pressure sensors, transmitters, electronic pressure switches, temperature sensors, and thermocouples.

45. Pressure Development of Korea

The company is a professional enterprise producing measuring equipment and instruments.

Main sensor products: pressure sensors, displacement sensors, and temperature sensors.

China

In recent years, China has established R&D bases such as the National Key Laboratory of Sensor Technology and Micro/Nano and Robotics, and the sensitive components and sensor industry has been initially established. Currently, there are over 2,000 companies engaged in sensor production and research and development in China. The domestic sensor manufacturing industry is investing heavily to accelerate sensor industrialization, with the goal of achieving 70-80% domestic market share for instrument components and over 60% for high-end products in recent years.

46. Shenyang Academy of Instrumentation Science

Approved by the Chinese Council for Economic Planning and Development in 1995, the National Engineering Research Center for Sensors was established at the Shenyang Academy of Instrumentation Science.

This center is the only national institution in China engaged in sensor technology engineering research and product testing. It carries out professional research on MEMS technology, silicon microchips, force/heat/magnetic sensors, and other basic process technologies and sensor engineering technologies. It is equipped with multiple professional production lines for silicon-based force sensors, micro-electromechanical sensors (MEMS), transmitters, and related instruments that can be flexibly combined. Moreover, it has a sensor CAD design center and sensor reliability testing center, more than 200 specialized process equipment and instruments, supporting standard production sites and laboratory infrastructures, mastering and possessing independent core technologies and capabilities in the design, processing, packaging, testing, rapid development, and mass production of products from sensor sensitive chips to related instruments.

Main sensor products: force/heat/magnetic sensors, transmitters, MEMS sensors, and instrumentation.

SAIS Pressure Sensor

47. Research Institute of Tsinghua University in Shenzhen

In December 1996, the Shenzhen Municipal Government and Tsinghua University jointly established the Research Institute of Tsinghua University in Shenzhen to explore a new model combining production, study, and research, creating a precedent for city-university joint research institutes in China.

LIHE Technology Ltd. is a high-tech enterprise established by the Tsinghua University Research Institute. The company successfully industrialized national key scientific research projects with independent intellectual property rights—quartz resonance force-sensitive sensors—and was listed as a national high-tech industrialization demonstration base by the National Planning Commission.

Main sensor products: pressure sensors, strain sensors, quartz crystal sensors, and precision measurement instruments.

48. Henan Hanwei Electronics Co., Ltd.

Hanwei Electronics is a high-tech enterprise focusing on the research, development, production, and sales of gas sensors and detection instruments. It is one of the leading gas detection companies in China and a demonstration enterprise for manufacturing informationization.

With independent intellectual property rights for gas sensors and gas detection instruments, it offers a series of gas detection products including home and business, personal protection, industrial online monitoring, environmental analysis, mining safety, alcohol content detection, and engineering monitoring systems. The industry chain is complete, making it a leading domestic and internationally recognized professional manufacturer of gas detection products.

Main sensor products: gas sensors, gas detection systems, and IoT solutions.

49. Beijing Collihigh Sensing Technology Center

Beijing Collihigh Sensing Technology Center is a large-scale professional industrial control enterprise alliance group, relying on major scientific research units such as the Mechanics, Acoustics, and Aerospace institutes in the Chinese Academy of Sciences.

It maintains long-term scientific research cooperation relationships with Tsinghua University and other universities, specializing in design, production, and sales of sensors, transmitters, various measurement and control instruments, thermal instruments, field controllers, computer control systems, data acquisition systems, various environmental monitoring systems, application software for special control systems, and embedded systems. The products have wide application prospects in telecommunications, electric power, petrochemicals, environmental protection, papermaking, metallurgy, food, medical, HVAC, and other fields.

Main sensor products: temperature/temperature and humidity transmitters, pressure/differential pressure/liquid level/marine pressure/ultrasonic level/immersion transmitters, displacement/weight/electrical sensors, and control systems.

Collihigh Digital Temperature & Humidity Transmitter With Display

50. Tianjin Zhonghuan Temperature Meters Co., Ltd.

The company is a professional manufacturer of industrial thermocouples, thermal resistance, and diaphragm differential pressure transmitters, all utilizing technology introduced from Germany. It is a high-tech enterprise integrating product development, production, sales, and system engineering installation.

The company has a registered capital of 20 million yuan and holds third-level qualification for professional contracting in electronic engineering. It is located in the national-level Tianjin Dongli Development Zone, covering an area of 20,000 square meters with a standardized workshop of 14,000 square meters. It has passed ISO 9001:2015 international and British NQA quality certification.

Main sensor products: temperature sensors, thermocouples, RTDs, and pressure transmitters.

Frequently Asked Questions (FAQs)

Q1: What are the main types of sensors used in industrial applications?

A: The main types include pressure sensors, temperature sensors, proximity sensors, photoelectric sensors, flow sensors, level sensors, vibration sensors, gas sensors, and position sensors. Each type serves specific measurement and control functions in industrial automation.

Q2: Which countries lead in sensor technology development?

A: The United States, Germany, Japan, and Switzerland are traditionally the leaders in sensor technology. However, China has made significant advances in recent years and is rapidly becoming a major player in sensor manufacturing and development, particularly in MEMS sensors and IoT applications.

Q3: What is MEMS technology in sensors?

A: MEMS (Micro-Electro-Mechanical Systems) technology integrates mechanical elements, sensors, actuators, and electronics on a common silicon substrate through microfabrication technology. MEMS sensors are smaller, more accurate, more reliable, and more cost-effective than traditional sensors, making them ideal for applications in automotive, consumer electronics, medical devices, and industrial automation.

Q4: How do I choose the right sensor for my application?

A: Consider the following factors: measurement parameter (pressure, temperature, etc.), operating environment (temperature range, humidity, vibration), accuracy requirements, response time, output signal type, installation constraints, and budget. Consulting with sensor manufacturers or application engineers is recommended for critical applications.

Q5: What are the emerging trends in sensor technology?

A: Key trends include: IoT-enabled smart sensors with wireless connectivity, AI-powered sensors with edge computing capabilities, miniaturization through advanced MEMS technology, energy harvesting sensors, flexible and wearable sensors, multi-sensor fusion systems, and increased focus on environmental sustainability and energy efficiency.

Q6: What is the difference between analog and digital sensors?

A: Analog sensors produce continuous voltage or current signals proportional to the measured parameter, while digital sensors convert measurements directly into digital signals. Digital sensors offer advantages including better noise immunity, easier integration with digital systems, built-in signal processing, and the ability to communicate over digital protocols like I2C, SPI, or industrial fieldbuses.

Q7: How has Industry 4.0 impacted sensor technology?

A: Industry 4.0 has driven demand for smart sensors with capabilities including self-diagnostics, predictive maintenance, wireless communication, cloud connectivity, and integration with Industrial IoT (IIoT) platforms. Modern sensors now often include embedded processors, memory, and communication interfaces, enabling them to perform local data processing and analysis.

Q8: What certifications should I look for when selecting industrial sensors?

A: Important certifications include: ISO 9001 for quality management, CE marking for European markets, UL/CSA for North American markets, ATEX/IECEx for explosive atmospheres, IP ratings for ingress protection, SIL (Safety Integrity Level) for safety-critical applications, and industry-specific certifications like FDA for medical applications or IATF 16949 for automotive.

Q9: What is the typical lifespan of industrial sensors?

A: The lifespan varies significantly depending on the sensor type, operating conditions, and application. Industrial sensors typically last 5-15 years under normal conditions. However, sensors in harsh environments (extreme temperatures, corrosive atmospheres, high vibration) may have shorter lifespans. Regular calibration and maintenance can extend sensor life and ensure accuracy.

Q10: How important is sensor calibration?

A: Sensor calibration is critical for maintaining measurement accuracy and reliability. Calibration frequency depends on the application requirements, regulatory standards, and sensor drift characteristics. Critical applications may require calibration every 6-12 months, while less critical applications may extend to 2-3 years. Many modern sensors include self-calibration features or digital compensation to maintain accuracy over time.

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Article Update Information:

Last Updated: October 2025

Key Updates Made:

• Updated company ownership information (e.g., Measurement Specialties acquired by TE Connectivity, First Sensor acquired by TE Connectivity, EPCOS now part of TDK, Raytek now part of Fluke Process Instruments)

• Corrected company statistics and market positions to reflect current data

• Updated product portfolios to include newer technologies such as IoT sensors, LiDAR, ToF sensors, and AI-enabled sensors

• Revised patent counts and R&D investment percentages to current figures

• Updated ISO certification standards from ISO 9001:2000 to ISO 9001:2015

• Corrected spelling errors (e.g., "Swiss" to "Switzerland", "Sensing" formatting)

• Added information about Industry 4.0 and IIoT trends affecting sensor technology

• Updated China's sensor industry statistics to reflect current market size (over 2,000 companies)

• Enhanced product descriptions with modern sensor technologies and applications

• Added comprehensive FAQs section covering common questions about sensor selection, technology, and applications

• Improved readability and corrected grammatical issues throughout the article

• Updated global subsidiary counts and market presence information for major companies

Note: The sensor industry continues to evolve rapidly with advances in MEMS technology, IoT integration, artificial intelligence, and miniaturization. Readers should verify current company information and product specifications directly with manufacturers for the most up-to-date details.