Differential pressure transmitter with temperature compensation device

The utility model belongs to the technical field of differential pressure transmitters, and discloses a differential pressure transmitter with a temperature compensation device, which comprises a differential pressure transmitter body, a connecting pipe is connected above the differential pressure transmitter body in a penetrating manner, a first instrument panel is fixedly connected onto the connecting pipe, a mounting pipe is connected onto the right wall of the connecting pipe in a penetrating manner, and a second instrument panel is fixedly connected onto the mounting pipe. A temperature compensation device is connected to the end, away from the connecting pipe, of the mounting pipe and comprises a cavity pipe, the cavity pipe is attached to the end, away from the connecting pipe, of the mounting pipe, a flange is fixedly connected to the attaching position of the cavity pipe and the mounting pipe, and the flange and the periphery of the mounting pipe are fixed through bolts. And the top of the cavity pip