Differential pressure transmitter static pressure calibration equipment

The utility model relates to a differential pressure transmitter calibration equipment's technical field, concretely relates to differential pressure transmitter static pressure calibration equipment,including Y type pipe, a fixedly connected with pressure tapping and the 2nd pressure tapping respectively hold in two branches of Y type pipe, a pressure tapping is linked together with differentialpressure transmitter's malleation measuring chamber, the 2nd pressure tapping is linked together with differential pressure transmitter's negative pressure measuring chamber, the 3rd pressure tappingof common port fixedly connected with of Y type pipe, the 3rd pressure tapping is linked together with the output of pressure check -up pump. The utility model provides a differential pressure transmitter static pressure calibration equipment, simple structure, convenient to use and measuring result are reliable. 本实用新型涉及差压变送器校验装置的技术领域，具体涉及种差压变送器静压校验装置，包括Y型导管，所述Y型导管的两个分支端分别固定连接有第压力表接头和第二压力表接头，所述第压力表接头与差压变送器的正压测量室相连通，所述第二压力表