Device for detecting static characteristics of differential pressure sensor

The utility model provides a device for detecting static characteristics of a differential pressure sensor. The device comprises a remote control end, a suction resistance detection device, a flow detection device, an electric control valve or a standard probe group module, an air pump, a voltmeter and an external differential pressure sensor. A built-in test head of the draw resistance detection equipment is used for connecting a draw resistance standard rod, and a built-in differential pressure sensor is connected to a rear-end gas path of the test head and is used for checking the working voltage and the voltage drop value of the built-in differential pressure sensor; the external differential pressure sensor is connected to the same measuring point of the internal differential pressure sensor, an input port of the flow detection equipment is connected to a rear end gas path of the testing head, and an output port of the flow detection equipment is sequentially connected with the electric control valve/sta