High-precision anti-interference differential pressure transmitter comprising protection mechanism

The utility model discloses a high-precision anti-interference differential pressure transmitter, and relates to the technical field of differential pressure transmitter protection. The device comprises a differential pressure transmitter, the top of the differential pressure transmitter is provided with an insertion limiting groove, and an insertion limiting plate is inserted into the insertion limiting groove. During use, the bottom of the insertion limiting plate needs to be inserted into the insertion limiting groove, after the bottom of the insertion limiting plate is inserted into the insertion limiting groove, the stability of the insertion limiting plate on the differential pressure transmitter can be improved, the insertion limiting plate is prevented from moving front and back, and during use, the dial plate on the differential pressure transmitter is protected through the dial plate protection plate and the protection sealing ring; dust and foreign matters are prevented from being contacted with th