Multi-parameter air environment monitor and system

The invention provides a multi-parameter air environment monitor and system, and the monitor comprises a DCDC power supply, a control unit, and a parameter collection unit, a display unit and a communication unit which are connected with the control unit, wherein the DC-DC power supply supplies power to the control unit, the parameter collection unit, the display unit and the communication unit; the parameter acquisition unit is used for acquiring various environmental parameters in the air, converting the environmental parameters into corresponding digital signals and sending the digital signals to the control unit; the control unit is used for acquiring a digital signal and displaying data through the display unit; the communication unit is used for sharing data with external equipment with the same transmission protocol as the communication unit, collecting various environmental parameters in the air through the parameter collection unit, converting the various environmental parameters into corresponding d