In today’s rapidly evolving industrial landscape, precision calibration is more critical than ever. From manufacturing and energy production to pharmaceuticals and aerospace, reliable process calibration equipment ensures optimal performance, regulatory compliance, and consistent product quality. That’s where process calibrators come in—specialized tools used to test and verify instruments like pressure transmitters, temperature sensors, flow meters, and electrical signal loops.
To help engineers, technicians, and procurement professionals make the best choice, we’ve compiled the Top 10 Process Calibrators Manufacturers in the World for 2025. Explore our curated list of industry leaders and request a quote 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 leading U.S.-based process calibrator manufacturer, renowned for producing high-accuracy calibration tools tailored for industrial environments. Since 1980, PIE has delivered reliable, user-friendly process calibrators used across the energy, manufacturing, and pharmaceutical sectors. Their standout feature, the EZ-Dial double-click menu, streamlines operations and eliminates complex button sequences. PIE calibrators support mA, voltage, thermocouple, RTD, and pressure calibration, making them essential for technicians seeking versatile and durable calibration equipment.
With a strong focus on ergonomic design, rugged construction, and measurement precision, PIE enhances productivity and minimizes downtime in mission-critical applications. Trusted globally, PIE continues to lead in industrial calibration solutions that boost technician efficiency.
Headquarters: United States
Key Products:
- Handheld process calibrators for milliamp
- Pressure applications
2.Dearto
Introduction: Tai'an Detu Automation Instrument Co., Ltd. is located in High-tech Industrial Development Zone, Tai'an City,Shandong Province. The company focuses on the R&D and Manufacture of temp. and humi. measurement and calibration technology.
DEARTO's accumulated professional knowledge and rich successful experiences in the field of temp. and humi. metrology can fully guarantee the ability to provide customers with continuous and effective services. The company will continue to uphold the core concept of "DEARTO Instruments ,Quality Model", strictly implement standardized management, improve the quality assurance system, adhere to the principle of honesty, and serve every customer with high quality and efficiency; Adhere to independent innovation to help the development of the temp. and humidity measurement industry.
Headquarters: Shandong, China
Key Products:
3.WIKA Instrumentation Taiwan Ltd.
Introduction: WIKA Instrumentation Taiwan Ltd., a key branch of the WIKA Group, delivers world-class pressure, temperature, and level calibration solutions. As a trusted name in industrial calibration since 1946, WIKA serves industries like oil and gas, chemical processing, and power generation with high-precision process calibrators, digital pressure gauges, and temperature calibration instruments.
WIKA Taiwan integrates advanced sensor technology with user-friendly design to ensure accuracy, efficiency, and compliance with global standards. Backed by a global support network, WIKA remains a top choice for businesses seeking reliable and innovative calibration instruments.
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. is a trusted manufacturer of calibration instruments, specializing in process calibrators, temperature calibrators, and pressure calibrators. Known for precision and innovation, TUNKIA delivers high-accuracy solutions for industries such as aerospace, automation, manufacturing, and energy. With a strong R&D foundation, the company integrates cutting-edge technology to ensure stable, reliable, and efficient performance.
TUNKIA’s calibration equipment meets strict international standards, making it ideal for critical measurement tasks. Backed by expert support and customized solutions, TUNKIA continues to lead in the field of industrial calibration.
Headquarters: China
Key Products:
- Process calibrators
- Temperature calibrators
- Pressure calibrators
5.Baker Hughes Company
Introduction: Baker Hughes Company, a global leader in energy technology, provides innovative solutions for the oil & gas, industrial, and energy sectors. Founded in 1907, Baker Hughes is renowned for its advanced measurement and calibration instruments, ensuring precision, safety, and reliability in industries like petrochemicals, power generation, and manufacturing. Their state-of-the-art process calibrators are designed to optimize testing, validation, and maintenance of critical instrumentation.
With a focus on sustainability and digital transformation, Baker Hughes continuously advances calibration technologies to boost efficiency and reduce operational risks. Headquartered in Houston, Texas, Baker Hughes delivers cutting-edge solutions worldwide, ensuring compliance with industry standards and regulations. Trust Baker Hughes for precision, innovation, and safety in industrial operations.
Headquarters: Houston, Texas, USA
Key Products:
- Calibration instruments for pressure
- Electrical measurements
6.Yokogawa Electric Corporation
Introduction: Yokogawa Electric Corporation is a leading global provider of process calibrators, calibration instruments, and industrial automation solutions. Founded in 1915 and headquartered in Tokyo, Japan, Yokogawa is renowned for its innovation, precision measurement, and long-term reliability. Its advanced calibrators are widely used in oil and gas, chemical, pharmaceutical, and power generation industries, ensuring accurate readings and full compliance with international standards.
Designed for high accuracy and durability, Yokogawa’s calibration solutions support critical applications in demanding environments. With a strong commitment to sustainability, cutting-edge technology, and a global service network, Yokogawa continues to lead the way in enhancing operational efficiency and measurement excellence.
Headquarters: Tokyo, Japan
Key Products:
- Multi-function process calibrators
7.PCE Instruments
Introduction: PCE Instruments is a leading global supplier of high-quality test, measurement, and calibration equipment, with a strong reputation for precision. Based in Germany, PCE Instruments specializes in process calibrators for pressure, temperature, and electrical signal calibration, serving industries such as manufacturing, energy, and pharmaceuticals.
Their products are known for accuracy, durability, and ease of use, meeting the strictest professional standards. Committed to innovation, PCE Instruments continuously improves its range of calibration tools to ensure top performance. With expert customer support and a global distribution network, PCE Instruments is your trusted partner for reliable and efficient calibration solutions 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 global leader in high-precision calibration, measurement, and testing solutions, specializing in advanced instruments for temperature, pressure, and process signals. Serving industries like aerospace, automotive, pharmaceuticals, and energy, AMETEK STC is renowned for its accuracy, durability, and compliance with international standards.
Key brands such as JOFRA and Crystal provide innovative solutions for both laboratory and field calibration needs. With a focus on continuous research and development, AMETEK STC enhances its products to meet evolving industry demands. The company's global presence, comprehensive technical support, and user-friendly calibration tools make it a trusted partner for businesses seeking reliable, precise calibration equipment.
Headquarters: Denmark
Key Products:
- Calibration instruments for temperature
- Process signals
9.Beamex
Introduction: Beamex, founded in 1975 and based in Pietarsaari, Finland, is a global leader in industrial calibration technology. Specializing in advanced process calibrators, calibration software, and integrated calibration systems, Beamex serves key industries such as pharmaceuticals, energy, oil & gas, and manufacturing. Renowned for its innovative, user-friendly tools, Beamex enhances efficiency, accuracy, and compliance, helping businesses streamline workflows and reduce downtime.
Its comprehensive solutions include portable calibrators, automated calibration systems, and cloud-based calibration management software, ensuring seamless data integration and traceability. With a commitment to precision and continuous improvement, Beamex is trusted worldwide to help businesses meet strict quality and safety standards while boosting operational efficiency.
Headquarters: Pietarsaari, Finland
Key Products:
- Process calibrators
- Calibration software
- Calibration accessories
10.Fluke Corporation
Introduction: Fluke Corporation, founded in 1948, is a global leader in electronic test tools, calibration solutions, and software. Known for precision, reliability, and ease of use, Fluke’s products are essential in industries like electrical, industrial, and medical. Their high-accuracy process calibrators are trusted for maintenance, troubleshooting, and quality assurance.
Fluke’s calibration services span temperature, pressure, and electrical signal testing, helping professionals maintain compliance and operational efficiency. Headquartered in Everett, Washington, Fluke is committed to innovation and offers worldwide customer support, training, and calibration services, ensuring the highest standards for industrial professionals.
Headquarters: Everett, Washington, USA
Key Products:
- Process calibrators
- Multifunction calibrators
- Documenting process calibrators
Conclusion
Choosing the right process calibrator manufacturer is vital for industries requiring accurate measurement and calibration. The top 10 manufacturers listed here are leaders in innovation, reliability, and customer satisfaction, providing high-quality products to meet various industrial needs.
Among them, Dearto stands out with its advanced technology, superior quality, and exceptional customer service. Whether you need a multifunctional or specialized process calibrator, Dearto offers the perfect solutions to optimize your calibration processes.
Explore Dearto’s range of high-performance calibrators today and request a quote to elevate your measurement precision!
