G80 pumping type gas analysis alarm instrument

The utility model discloses a G80 pumping type gas analysis alarm apparatus. Including a housing, a key is arranged in the middle of the top of the shell; an observation window is formed in the top right side of the shell; a liquid crystal screen is embedded in the bottom of the inner cavity of the observation window; the liquid crystal screen is electrically connected with an electronic circuit board; the electronic circuit board is electrically connected with a micro pump, a buzzer and a sensor assembly. The electronic circuit board, the micro pump, the buzzer and the sensor assembly are alllocated in the shell. An air inlet is formed in the bottom left side of the shell; a power supply is embedded in the middle of the bottom of the shell; a power sealing cover plate is arranged at thebottom of the shell; the power supply sealing cover plate is positioned under the power supply; the gas sensor is reasonable in structural design, the sensor assembly can be in full contact with detected gas conveniently, meas