[ China Instrument Network Instrument R&D ] Recently, the “Digital Pressure Gauge Calibration Height Difference Accurate Measuring Device†science and technology project undertaken by Gansu Metrology Institute successfully passed the expert acceptance review organized by Gansu Provincial Quality and Technical Supervision Bureau.
Pressure gauges are widely used in petroleum, chemical fiber, plastics, rubber and other industries, pressure measurement and control, generally have pressure upper and lower limit alarm, can be relay contact output, voltage pulse output, bidirectional thyristor drive trigger output; The function of the constant current output and the working pressure is one of the most important parameters in the hydraulic system. In order to detect the pressure, a pressure gauge is required.
The “Digital Pressure Gauge†is a straight-forward gauge that is widely used for volume measurement and high-precision metrology. In the verification process of high-precision digital pressure gauge, the level difference between the force point and the pressure point of the instrument to be inspected is the pressure difference that needs to be compensated, and the lower the accuracy range, the height difference Measurement requirements are getting higher and higher, and there is currently no such special testing equipment in China.
Through careful and systematic design, the project has developed a measuring system device with advanced design, manufacturing process, low cost, reliability and durability, meeting design requirements, and fully meeting the measurement requirements and specifications of the digital metering. . The device fills the blank of measuring the digital pressure gauge height difference without special equipment, and has wide practicality and popularization application prospect.
(Original title: The project of “Digital Pressure Gauge Verification Height Difference Accurate Measuring Device†in our hospital passed the acceptance review of Gansu Provincial Quality and Technical Supervision Bureau)
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