Verification device suitable for gas pressure gauge

The utility model discloses a verification device suitable for a gas pressure gauge, which comprises a base plate, a pneumatic pump, a pressure gauge connecting seat, a hand pump and two pressure gauge connectors, and is characterized in that the upper end face of the base plate is fixedly provided with the pneumatic pump and the pressure gauge connecting seat; the pneumatic pump is a cylindrical gas pressure pump; a hand pump and two pressure gauge connectors are mounted on the upper end surface of the pressure gauge connecting seat; the hand pump is a gas pressure pump capable of adjusting positive pressure and negative pressure, and a gas conveying/pumping switching push-pull key is arranged on the gas conveying/pumping channel to control the pneumatic direction of the gas conveying/pumping channel. Due to the adoption of the technical scheme, the verification device can perform positive pressure pressurization or negative pressure evacuation operation on the air pump air bin, the connecting air bin and th