In today’s fast-paced industrial environment, accurate process calibration is essential for ensuring safety, efficiency, and compliance across critical sectors such as manufacturing, energy, pharmaceuticals, and aerospace. Whether you're calibrating pressure transmitters, temperature sensors, flow meters, or electrical signal loops, using the right process calibrator is key to maintaining high standards and minimizing downtime.
To support engineers, technicians, and procurement professionals in selecting the most dependable solutions, we’ve researched and ranked the Top 10 Process Calibrator Manufacturers in the World for 2025. Discover industry-leading brands offering innovative, high-performance calibration equipment tailored to your application needs. Explore our expert-curated list and request a quote to find the best fit for your operations today.
| ☰ | Table of contents |
|---|---|
| 1. | Practical Instrument Electronics, Inc. |
| 2. | Dearto |
| 3. | WIKA Instrumentation Taiwan Ltd. |
| 4. | TUNKIA Co., Ltd. |
| 5. | Baker Hughes Company |
| 6. | Yokogawa Electric Corporation |
| 7. | PCE Instruments |
| 8. | AMETEK Sensors, Test & Calibration |
| 9. | Beamex |
| 10. | Fluke Corporation |
1.Practical Instrument Electronics, Inc.
Introduction: Practical Instrument Electronics (PIE) is a trusted U.S.-based process calibrator manufacturer known for delivering high-accuracy, rugged, and user-friendly calibration equipment designed for demanding industrial environments. Since 1980, PIE has supported technicians in industries such as energy, pharmaceuticals, and manufacturing with reliable process calibration tools.
A standout feature of PIE's calibrators is the intuitive EZ-Dial double-click menu, which simplifies complex calibration tasks and enhances workflow efficiency. Their versatile range supports mA, voltage, thermocouple, RTD, and pressure calibration, making them a top choice for professionals who need dependable, multi-function calibration instruments.
With a focus on ergonomic design, durability, and measurement precision, PIE’s solutions are engineered to reduce downtime and improve field productivity. Recognized worldwide, PIE continues to innovate in the field of industrial process calibration, offering tools that boost technician performance and ensure long-term reliability.
Headquarters: United States
Key Products:
- Handheld process calibrators for milliamp
- Pressure applications
2.Dearto
Introduction: Tai'an Detu Automation Instrument Co., Ltd. is a leading manufacturer based in the High-tech Industrial Development Zone of Tai'an City, Shandong Province, specializing in the research, development, and production of temperature and humidity measurement and calibration instruments.
With years of expertise and proven success in the field of temperature and humidity metrology, DEARTO offers reliable, high-performance solutions designed to meet the evolving needs of global industries. Backed by deep technical knowledge and a strong commitment to quality, the company ensures consistent and effective support for its clients worldwide.
Guided by its core philosophy — “DEARTO Instruments, Quality Model” — the company enforces rigorous quality control, follows standardized management practices, and upholds integrity in every collaboration. DEARTO continues to drive innovation in environmental measurement technology, helping advance the precision and reliability of temperature and humidity calibration systems across various sectors.
Headquarters: Shandong, China
Key Products:
3.WIKA Instrumentation Taiwan Ltd.
Introduction: WIKA Instrumentation Taiwan Ltd., a vital subsidiary of the globally renowned WIKA Group, specializes in delivering high-precision calibration instruments for pressure, temperature, and level applications. With a legacy of excellence dating back to 1946, WIKA has become a trusted partner for industries such as oil & gas, chemical processing, and power generation. The company’s advanced process calibrators, digital pressure gauges, and temperature calibration tools are engineered for exceptional accuracy, reliability, and compliance with international standards.
WIKA Taiwan combines cutting-edge sensor technology with intuitive, user-friendly designs—ensuring seamless integration into industrial workflows. Supported by WIKA’s extensive global service network, WIKA Taiwan continues to be a preferred choice for professionals seeking innovative and dependable calibration solutions worldwide.
Headquarters: Taoyuan, Taiwan
Key Products:
- Portable process calibrators
- Pressure gauges with output signals
- Thermometers with switch contacts
- Digital pressure gauge calibration equipment
4.TUNKIA Co., Ltd.
Introduction: TUNKIA Co., Ltd. stands out as a leading manufacturer of high-performance calibration instruments, offering a comprehensive range of process calibrators, temperature calibrators, and pressure calibrators. Renowned for its precision engineering and continuous innovation, TUNKIA provides reliable calibration solutions tailored to demanding industries including aerospace, industrial automation, energy, and advanced manufacturing.
With a strong foundation in research and development, TUNKIA integrates the latest technology to deliver instruments that ensure consistent accuracy and long-term stability. Each product is designed to meet or exceed international calibration standards, making TUNKIA an ideal partner for critical measurement and validation tasks.
Headquarters: China
Key Products:
- Process calibrators
- Temperature calibrators
- Pressure calibrators
5.Baker Hughes Company
Introduction: Baker Hughes Company is a global leader in energy technology and a trusted provider of high-performance process calibrators and industrial calibration solutions. Since its founding in 1907, Baker Hughes has been at the forefront of innovation, delivering precision instruments that enhance safety, accuracy, and reliability across key sectors such as oil & gas, power generation, petrochemicals, and advanced manufacturing.
Their cutting-edge calibration equipment is engineered to support rigorous testing, validation, and maintenance of critical systems, helping industries achieve peak operational efficiency and meet strict compliance standards. Headquartered in Houston, Texas, Baker Hughes combines sustainability-driven innovation with digital transformation, continuously advancing process calibration technologies that minimize risk and maximize performance.
Headquarters: Houston, Texas, USA
Key Products:
- Calibration instruments for pressure
- Electrical measurements
6.Yokogawa Electric Corporation
Introduction: Yokogawa Electric Corporation is a globally recognized leader in process calibration and industrial automation solutions. Established in 1915 and headquartered in Tokyo, Japan, Yokogawa has built a reputation for delivering high-precision calibration instruments that combine innovation, reliability, and long-term performance. Its advanced process calibrators are trusted across a range of critical industries—including oil and gas, chemical processing, pharmaceutical manufacturing, and power generation—where accuracy and compliance with international standards are essential.
Engineered for exceptional accuracy and durability, Yokogawa’s calibration solutions are designed to perform in the most demanding industrial environments. Whether used for pressure, temperature, or signal calibration, these tools help ensure optimal plant performance and operational efficiency. Backed by a global support network and a strong commitment to sustainability and continuous innovation, Yokogawa remains at the forefront of calibration technology, driving excellence in process measurement worldwide.
Headquarters: Tokyo, Japan
Key Products:
- Multi-function process calibrators
7.PCE Instruments
Introduction: PCE Instruments is a globally recognized manufacturer of precision calibration equipment and industrial measurement tools. Headquartered in Germany, the company specializes in advanced process calibrators designed for pressure, temperature, and electrical signal applications. PCE Instruments serves key industries such as manufacturing, energy, and pharmaceuticals—where reliable and accurate calibration is essential.
Known for their exceptional accuracy, robust design, and intuitive operation, PCE’s calibration solutions meet the highest industry standards. Their product lineup reflects a strong commitment to innovation in calibration technology, continually evolving to meet modern demands. Backed by expert technical support and a global distribution network, PCE Instruments stands out as a trusted partner for professionals seeking dependable, high-performance calibration tools worldwide.
Headquarters: Germany
Key Products:
- Process calibrators
- Pressure calibrators
- Temperature calibrator
8.AMETEK Sensors, Test & Calibration
Introduction: AMETEK Sensors, Test & Calibration (AMETEK STC) is a trusted global manufacturer of high-precision calibration equipment and measurement instruments, offering advanced solutions for temperature calibration, pressure calibration, and process signal testing. Known for its exceptional accuracy and long-lasting performance, AMETEK STC serves critical industries including aerospace, automotive, pharmaceuticals, and energy—where reliability and compliance with international calibration standards are essential.
With leading brands like JOFRA and Crystal Engineering, AMETEK STC delivers innovative and user-friendly tools for both laboratory calibration and on-site field calibration. The company invests heavily in research and development to stay ahead of evolving industry requirements, ensuring its solutions remain at the forefront of calibration technology.
Headquarters: Denmark
Key Products:
- Calibration instruments for temperature
- Process signals
9.Beamex
Introduction: Founded in 1975 and headquartered in Pietarsaari, Finland, Beamex is a global leader in industrial calibration technology, specializing in advanced process calibrators and calibration software. Serving critical industries such as pharmaceuticals, energy, oil & gas, and manufacturing, Beamex delivers innovative and user-friendly calibration solutions that improve accuracy, efficiency, and regulatory compliance.
Their comprehensive product range includes portable process calibrators, automated calibration systems, and cloud-based calibration management software—designed to ensure seamless data integration, traceability, and streamlined workflows. Trusted worldwide for precision and reliability, Beamex helps businesses meet strict quality and safety standards while reducing downtime and boosting operational performance.
Headquarters: Pietarsaari, Finland
Key Products:
- Process calibrators
- Calibration software
- Calibration accessories
10.Fluke Corporation
Introduction: Fluke Corporation, established in 1948, is a globally recognized leader in electronic test tools, process calibrators, and calibration solutions. Renowned for its precision, durability, and user-friendly design, Fluke serves key sectors including electrical, industrial automation, and medical technology. Its high-accuracy process calibration tools are widely used for equipment maintenance, system troubleshooting, and quality control.
Fluke offers comprehensive calibration services, covering temperature calibration, pressure calibration, and electrical signal testing, helping engineers and technicians meet strict industry compliance standards while improving operational reliability. Headquartered in Everett, Washington, Fluke continues to lead through innovation—providing global support, hands-on training, and certified calibration programs tailored to industrial professionals seeking top-tier performance and dependability.
Headquarters: Everett, Washington, USA
Key Products:
- Process calibrators
- Multifunction calibrators
- Documenting process calibrators
Conclusion
Selecting a reliable process calibrator manufacturer is crucial for industries that demand precision in measurement and calibration. The top 10 process calibrator manufacturers featured in this guide are recognized for their cutting-edge technology, product reliability, and commitment to customer satisfaction. They offer a wide range of calibration equipment designed to meet diverse industrial applications.
Among these leaders, Dearto distinguishes itself with its innovative engineering, uncompromising product quality, and responsive customer support. Whether you're looking for a multifunction process calibrator or a specialized solution tailored to your field, Dearto provides high-performance calibrators that streamline and enhance your calibration workflows.
Discover Dearto’s complete portfolio of advanced calibrators and request a quote today—take the first step toward achieving unparalleled measurement accuracy and efficiency.
