Emission analyzer pressure on-line monitoring system and method, terminal and medium

The invention discloses an on-line pressure monitoring system and method for an emission analyzer, a terminal and a medium, and belongs to the technical field of exhaust emission analyzers, and the on-line pressure monitoring system comprises an emission analyzer host which is connected with a vacuum pump unit and a sampling pump unit. The system further comprises a vacuum pressure sensor and a sampling pressure sensor which are installed near the vacuum pump unit and the sampling pump unit respectively, the vacuum pressure sensor and the sampling pressure sensor are electrically connected with a terminal through an AD converter, and the terminal is electrically connected with a touch screen and a buzzer. The terminal is in network connection with the integrated cloud platform monitoring predictive maintenance system, and the integrated cloud platform monitoring predictive maintenance system is connected with the field PC terminal and the mobile phone APP terminal. The method is high in automation degree, is