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[China Instrument Network Instrument R&D] A few days ago, Fujian Science and Technology Institute's Fujian Provincial Quality Supervision Bureau's science and technology project "vibration displacement sensor dynamic and static automatic calibration device" passed the acceptance.
On-site assessment
The vibration displacement sensor is an important part of the vibration displacement measuring instrument and is applied to the mechanical vibration measurement.
The vibration displacement sensor mainly uses the eddy current effect to convert the mechanical vibration displacement change into a voltage or current change, and indirectly obtain the vibration displacement. With the development and integration of modern sensing technologies and computer technologies, calibration systems that use manual readings, manual recording, and cumbersome data processing are no longer adapted to the needs. The PC-based data acquisition system uses modular design and digital processing to improve vibration. Displacement measurement accuracy and efficiency.
The metrology institution must adapt to the rhythm of technological development in the information age, improve the vibration displacement sensor calibration system, and improve the calibration technique and efficiency of the vibration displacement sensor.
The static and dynamic integrated automatic calibration device of the vibration displacement sensor developed by the Fujian Institute of Metrology integrates the static and dynamic calibration of the sensor effectively and does not interfere with each other; at the same time, it realizes full automatic control of the entire calibration process, automatic acquisition, processing and Saving data greatly improves the calibration efficiency of the vibration displacement sensor.
The project was unanimously approved by reviewing experts and nuclear power companies and has a good promotion prospect.
(Original title: "Automatic static calibration device for vibration displacement sensor" undertaken by the provincial metrology institute