What Is A Pressure Calibrator


A pressure calibrator is a specialized tool used for inspecting, calibrating, and measuring pressure sensors, instruments, and equipment. They play a crucial role in various industrial sectors, ensuring the safety, reliability, and accuracy of systems. This article will introduce the working principle, functions, application areas, advantages, and selection criteria of pressure calibrators.

What Is A Pressure Calibrator

Working Principle

Pressure calibrators utilize pressure sensors and accurate calibration devices to ensure the accuracy of the tested equipment by comparing and calibrating against standard pressures. The basic working principle includes the following aspects:

  • Standard Pressure Source

Pressure calibrators typically feature a precise standard pressure source capable of generating stable pressures across various ranges.

  • Comparison and Calibration

The tested pressure sensors or instruments are connected to the standard pressure source. Their outputs are compared to standard pressure values to determine accuracy and undergo calibration.

  • Data Recording and Analysis

Many modern pressure calibrators come with data recording and analysis capabilities. They record data during testing and provide analysis reports for quality control and traceability.

Functional Features

Pressure calibrators possess various functions and characteristics, making them widely applicable in different scenarios:

  • Accuracy

Pressure calibrators usually offer high precision and stability to meet calibration requirements of different accuracies.

  • Versatility

They can calibrate various types and ranges of pressure sensors and instruments, including pressure transmitters, gauges, and switches.

  • Portability

Many pressure calibrators are designed to be portable, facilitating easy transportation and operation for on-site calibration and testing.

  • Automation

Some advanced pressure calibrators feature automation for automatic calibration and data recording, enhancing efficiency and accuracy.

  • Multi-channel

For situations requiring simultaneous calibration of multiple pressure sensors or instruments, some pressure calibrators feature multi-channel functionality, allowing calibration of multiple channels concurrently.

JC-YBS-DQ-H Handhold Hydraulic Pressure gauge Calibrator

Application Areas

Pressure calibrators find extensive applications in various industrial sectors, including but not limited to the following:

Chemical Industry

They ensure safety and stability in chemical processes by detecting and correcting potential pressure deviations, thus reducing the risk of accidents. Additionally, pressure calibrators aid in quality control and compliance by accurately measuring and recording system pressures, ensuring product conformity to standards and regulations. Moreover, they are used for fault diagnosis and maintenance, enabling timely detection and resolution of potential issues to ensure equipment operates normally and minimize downtime.

In conclusion, pressure calibrators are indispensable tools in the chemical industry. They contribute to safe production, process optimization, and product quality improvement.

Oil and Gas Industry

Pressure calibrators are employed for measuring and calibrating pressures in pipelines, storage tanks, valves, and other equipment to ensure their proper operation and compliance with safety standards. During oil and gas extraction, pressure calibrators monitor wellhead pressures to ensure the operation of downhole equipment, ensuring production safety. Furthermore, they are used for regular inspection and calibration of pressure sensors and control systems in the production process to ensure the accuracy and reliability of production data. In pipeline transportation, pressure calibrators monitor pressure changes in pipelines and promptly detect leaks or other abnormalities, thereby preventing accidents. In summary, pressure calibrators play a critical monitoring and safeguarding role in the oil and gas industry, providing essential support for safe production and efficient operation.

Automotive Industry

Firstly, pressure calibrators are used to test and calibrate pressure sensors in various automotive systems, such as engine oil pressure, brake hydraulic pressure, and air conditioning refrigerant pressure, ensuring the normal operation and safety of automotive systems.

Secondly, pressure calibrators can be used to test and adjust the fuel system of engines to ensure that the fuel pressure is within the specified range, thus improving fuel efficiency and performance.

Additionally, pressure calibrators can also be used to test the pressure of automotive braking systems to ensure the reliability and responsiveness of the braking system, thereby enhancing driving safety.

In conclusion, the application of pressure calibrators in the automotive industry is multifaceted, ensuring the performance and safety of various automotive systems, which is crucial for automotive manufacturers and maintenance service providers.

Aerospace Industry

In the aerospace field, precise pressure measurement is crucial for the safety and performance of aircraft. Pressure calibrators ensure the accuracy and reliability of pressure sensors in various systems of aircraft, including altimeters, hydraulic systems, and fuel systems. Through calibration, accurate pressure measurement at different altitudes, speeds, and temperatures is ensured, thus ensuring the safe flight of aerospace vehicles. Additionally, pressure calibrators can be used to test turbine compressor and combustion chamber pressures of aircraft engines to ensure engine performance and combustion efficiency. In the aerospace industry, the accuracy and reliability of pressure calibrators are essential for the design, testing, and maintenance of aerospace vehicles, thus they are widely used in the aerospace industry.

JCTX-2010JCTX-1810 Temperature Calibrator


  • Improved production efficiency

By accurately calibrating pressure equipment, pressure calibrators can improve production efficiency and reduce downtime during production.

  • Guaranteed product quality

Accurate pressure control and monitoring help ensure product quality, reduce the rate of non-conforming products, and increase customer satisfaction.

  • Cost savings

Preventive calibration and maintenance can reduce equipment failures and damage, thereby saving costs for equipment repair and replacement.

  • Enhanced safety

Accurate pressure control and monitoring help prevent overloading or failure of pressure equipment, thus improving workplace safety.


When selecting pressure calibrators, the following factors need to be considered:

  • Accuracy requirements

Determine the required accuracy and resolution based on application requirements.

  • Measurement range

Determine the required pressure range to select an instrument that covers the range.

  • Functional requirements

Select a pressure calibrator with appropriate functions according to actual needs, such as static pressure, dynamic pressure, differential pressure, etc.

  • Portability

If on-site calibration and testing are required, choose a portable pressure calibrator.

  • Data processing

Consider whether data recording and analysis functions are needed, as well as data transmission interfaces with other systems.

  • Cost-effectiveness

Consider performance, functionality, and price comprehensively to select the most cost-effective pressure calibrator.


In summary, pressure calibrators play an indispensable role as key testing and calibration tools in modern industrial production. Their high precision, portability, and multifunctionality enable them to be widely used in various industrial fields, ensuring the safety, stability, and reliability of the production process. With continuous technological advancements, pressure calibrators will continue to evolve, providing more accurate and reliable testing and calibration services for industrial production.

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