YUNYI-2010 Series Electric Micro Pressure Source: High-Stability Automatic Pressure Reference for Precision Micro Differential Pressure Calibration

In high-precision micro differential pressure measurement scenarios such as clean room environmental monitoring, HVAC duct static pressure control, flue gas desulfurization and denitrification, pharmaceutical workshop differential pressure management, and semiconductor process gas flow control, the calibration accuracy and stability of micro pressure instruments are key to the reliable operation of the system. Traditional manual micro pressure sources struggle to achieve long-term stable output and automated integration, while electric micro pressure sources, with stepper motor drive and digital control, have become the core reference equipment for building high-precision digital pressure calibration systems.

Product Overview

The Nexisense YUNYI-2010 series electric micro pressure source is divided into manual pressure control (S type) and fully automatic pressure control (A type) modes. The fully automatic model uses a high-precision stepper motor to simulate manual cylinder movement, achieving stepless continuous adjustment of pressure. It is equipped with a high-precision pressure sensor and touchscreen control system, allowing precise setting of target pressure through digital input. It is widely suitable for precision calibration of micro (differential) pressure transmitters, micro pressure sensors, micro pressure diaphragm gauges and other instruments, as well as integration into automatic calibration systems.

The product adopts industrial-grade design, with a compact structure and user-friendly operation interface. It supports AC220V or DC24V power supply and has a working temperature range of -30~80℃, meeting the dual requirements of laboratory standard environments and industrial on-site calibration.

Core Technical Parameters

• Pressure Range: ±5kPa, ±10kPa, ±20kPa, ±50kPa, -50~100kPa, -50~200kPa

• Fully Automatic Pressure Control Stability: 1Pa

• Pressure Accuracy: 0.02%FS (optional), 0.05%FS

• Pressure Control Mode: S manual / A fully automatic

• Operation Mode: Touchscreen digital input

• Power Supply: AC220V / DC24V

• Working Temperature: -30~80℃

• Dimensions: 400×200×200mm

This series of electric micro pressure sources can achieve full coverage from small pressure steps to wide-range continuous adjustment, making it particularly suitable for automatic calibration scenarios that require maintaining a micro pressure reference for a long time.

Technical Features and Advantages

The YUNYI-2010 series electric micro pressure source demonstrates significant technical advantages in system integration applications:

• Fully automatic stepless adjustment: Stepper motor drive combined with high-precision pressure sensor achieves smooth pressure rise and fall, with pressure control stability reaching 1Pa, avoiding fluctuations caused by manual operation;

• Digital touchscreen control: Supports direct input of target pressure values, with intuitive operation, reducing human error and improving calibration repeatability;

• Optional high-precision configuration: Two accuracy levels of 0.02%FS and 0.05%FS to meet the calibration needs of different grades of micro pressure instruments;

• Wide temperature range adaptability: Working temperature range of -30~80℃, adapting to laboratory constant temperature environments and industrial site temperature fluctuations;

• System integration friendly: Supports seamless docking with multi-channel automatic calibration systems, PLC, SCADA or host computer software, facilitating the construction of fully automatic micro pressure calibration workstations;

• Easy maintenance: Modular design, excellent sealing performance, low daily maintenance volume, suitable for long-term continuous operation projects.

These features make the YUNYI-2010 series an efficient choice for engineering companies and system integrators in micro differential pressure instrument calibration projects, especially suitable for batch calibration scenarios that require high repeatability and a high degree of automation.

Typical Application Scenarios

• Clean rooms and pharmaceutical industry: Periodic calibration and installation debugging of micro differential pressure transmitters and micro pressure sensors to ensure long-term stable operation of differential pressure monitoring systems;

• HVAC and building automation: Precision calibration of air duct static pressure and room differential pressure control instruments;

• Environmental protection and energy industry: Calibration of micro pressure instruments in flue gas desulfurization and denitrification systems and combustion air flow control;

• Semiconductor and electronics manufacturing: Calibration of micro pressure measurement instruments in high-cleanliness process gas pipelines;

• Metrology verification institutions: Standard traceability and comparison testing of micro pressure instruments in laboratories;

• System integration projects: As a standard micro pressure reference module, integrated into fully automatic pressure calibration platforms to achieve efficient batch calibration.

For system integrators, this electric micro pressure source can be directly used as a standardized pressure generation unit, significantly shortening project debugging cycles and improving the overall system accuracy and reliability.

Selection Guide and Integration Considerations

Selection Points:

1. Select the appropriate specification according to the maximum micro differential pressure range of the instrument under test, and it is recommended to reserve 20%~30% margin;

2. For projects requiring high repeatability and long-term stability, it is recommended to choose the A-type fully automatic pressure control mode;

3. When accuracy requirements exceed 0.05%FS, priority should be given to the 0.02%FS high-precision version;

4. For batch integration projects, contact Nexisense for OEM customization, including special pressure ranges, communication interfaces (RS485/Modbus, etc.) or enclosure protection level adaptation.

Integration Considerations:

• The working medium is recommended to use clean and dry compressed air or nitrogen to avoid oil mist and moisture affecting sensor accuracy;

• When integrating with automatic calibration systems, it is recommended to achieve closed-loop control through RS485 or analog output interfaces, ensuring pressure stabilization time is no less than 30 seconds;

• The installation environment should avoid strong vibration and strong electromagnetic interference, and the working temperature should be controlled within -30~80℃;

• After long-term use, regularly check the status of sealing components and perform zero-point calibration if necessary to maintain optimal performance.

Nexisense supports OEM/ODM customization and bulk supply, and can provide complete technical solutions according to the specific calibration procedures, system architecture and on-site conditions of engineering companies.

FAQ

Q1. What is the fully automatic pressure control stability of the YUNYI-2010 series electric micro pressure source? Can it meet the calibration requirements of 0.05-grade micro differential pressure transmitters?

The fully automatic pressure control stability reaches 1Pa. Combined with 0.02%FS or 0.05%FS accuracy configuration, it can fully meet the precision calibration requirements of 0.05-grade and higher precision micro differential pressure transmitters and micro pressure sensors.

Q2. What pressure range configurations does this electric micro pressure source support? How to select according to project requirements?

It provides multiple specifications such as ±5kPa, ±10kPa, ±20kPa, ±50kPa, -50~100kPa, and -50~200kPa. It is recommended to select according to the maximum working micro differential pressure range of the instrument under test while reserving a certain margin. Nexisense can provide professional selection calculation support.

Q3. What is the main difference between the fully automatic mode and the manual mode? How to choose in system integration?

The fully automatic mode (A type) uses a stepper motor + touchscreen to achieve stepless adjustment, suitable for batch calibration projects requiring high repeatability and automation; the manual mode (S type) is simple to operate and suitable for temporary or small-batch calibration. System integration projects are recommended to prioritize the fully automatic mode for easy linkage with host computers or PLCs.

Q4. Does this micro pressure source support integration with digital pressure calibrators or automatic calibration systems?

Yes, it does. It can seamlessly connect with various intelligent digital pressure calibrators and multi-channel automatic calibration systems through analog output or RS485 communication interfaces. Nexisense can provide complete system integration guidance and technical support.

Q5. What is the working temperature range and power supply mode? Is it suitable for industrial site use?

Working temperature -30~80℃, supports AC220V and DC24V dual power supply solutions, adapting to laboratory constant temperature environments and industrial site temperature fluctuations. It is particularly suitable for on-site calibration and system integration projects by engineering companies.

Q6. Does Nexisense provide OEM customization and bulk supply services?

Yes, OEM/ODM customization is supported, including special pressure ranges, communication protocol adaptation, enclosure protection level optimization, and brand labeling services. Flexible bulk supply solutions can be provided according to the specific project requirements of engineering companies or integrators.

Q7. Compared with traditional manual micro pressure sources, what improvements does the YUNYI-2010 electric micro pressure source offer in calibration efficiency?

The electric micro pressure source achieves stepless continuous adjustment and digital control, with higher pressure stability and better operational consistency, which can significantly shorten the calibration time for a single instrument. It is particularly suitable for batch calibration and the construction of automated calibration workstations.

Q8. How to maintain the product after long-term use to maintain optimal performance?

Regularly check the status of sealing components, use clean and dry gas sources, and avoid oil mist and moisture ingress; perform zero-point calibration every 6~12 months; keep the equipment dry and clean. Proper maintenance can ensure long-term stable operation of the equipment.

Summary

The Nexisense YUNYI-2010 series electric micro pressure source provides a professional and reliable electric pressure reference solution for micro differential pressure instrument calibration with its 1Pa-level pressure control stability, optional high-precision configuration, and good system integration. Its stepper motor drive, touchscreen control, and wide temperature range adaptability make it the preferred equipment for system integrators, engineering companies, and metrology verification institutions in high-precision micro pressure measurement projects in clean rooms, environmental protection, pharmaceuticals, semiconductors, and other fields.

If your project requires high-stability micro pressure reference equipment or plans to build a fully automatic micro differential pressure calibration system, please feel free to contact the Nexisense technical support team. We will provide professional selection suggestions, OEM customization solutions, and complete system integration support according to your specific pressure range, system architecture, and integration needs, to help the project land efficiently and operate stably for a long time.