Differential pressure transmitter has the advantages of wide range and fast reaction speed,and is widely used in the field of aerospace and industrial pressure measurement,but its output characteristics will change with the change of static pressure,resulting in measurement errors of differential pressure transmitter.Therefore,a fast and ef-fective measuring device is proposed in this paper.The digital pressure gauge and reference pressure transmitter are used to compare the measured pressure with the reference pressure transmitter to verify the reliability and validity of the measurement results,so as to realize the rapid detection of the output characteristics under high static pressure.
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