1、 Upgrading testing technology from analog to digital

In the field of hydraulic engineering, the accuracy of pressure monitoring data is of great significance for engineering safety and scientific research achievements.
Traditional analog pressure sensors have limitations in accuracy, stability, and ease of operation, but with the development of technology, digital testing solutions are gradually becoming a new choice in the industry.

2、 Professional team's technical accumulation

Chengdu Keda Shengying Technology Co., Ltd. has launched a high-precision digital pressure sensor testing system based on years of research and development experience.
The system is based on the CY200/CY300 series intelligent pressure sensors and is equipped with SmartSensor software to provide a digital solution for monitoring pulsating pressure in hydropower station models.

3、 Main technical features

• Digital output
  Direct output of digital quantity, real-time displayP-tPressure time curve, easy to observe and analyze.

• Easy to operate
  After the system is powered on, it supports self diagnosis and self connection of sensors, automatic parameter loading, and simplifies the operation process.

• measurement accuracy
  Comprehensive accuracy can reach0.1%Some models have the highest accuracy0.02%.

• high resolution
  adopt24 bitA/DConverter, equipped with1 PaPressure discrimination ability, capturing small pressure changes.

• Multiple communication interfaces
  supportRS485TheUSBTheTCP/IPAdapt to single point or networked applications.

• Hardware quality
  Using imported piezoresistive silicon sensitive components and professional software to ensure system stability.

Convenient to use
It can be directly connected to a computer without the need for an additional data collection system, reducing system complexity.

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4、 Practical application cases

The system has been applied in the State Key Laboratory of Hydraulics and Mountain River Development and Protection of Sichuan University, and serves several scientific research projects:

• Energy dissipation pulsating pressure test of spillway tunnel

• Research on the Failure Mechanism of Expansion Joint Guide Plates in Power Plant Units

• Pressure monitoring of sand flushing tunnel model test

• Turbine tail water pulsating pressure test

• Pressure monitoring of gas-liquid two-phase flow in vane pump

• Monitoring of Surge Impact Pressure

• Pipeline water hammer resonance test

• Measurement of Multi hole Turbulent Jet Pressure in Ship Lock Water Transfer System

The successful implementation of these projects has validated the practicality and reliability of the system.

5、 Scope of application

This system can be used for various fluid pressure monitoring scenarios:

• Fluctuating pressure testing of fluids such as water, gas, and oil

• Penetration pressure monitoring

• Differential pressure measurement

• Static pressure monitoring

Suitable for testing needs of different users such as research institutes and engineering units.

6、 Summary of Technical Advantages

Compared with traditional solutions, digital pressure monitoring systems have the following advantages:

· Accuracy（0.02%Grade)

· Convenience (plug and play, self diagnosis)

· Data processing capability (real-time curve, intuitive analysis)

It has significant advantages and is the preferred solution for precision pressure measurement users.
The multi interface design and plug and play features have greatly improved testing efficiency and application scalability.