An all-in-one air quality sensor refers to a sensor module device that integrates multiple gas sensors, particulate matter sensors, and temperature and humidity sensors into one compact device. It can usually monitor simultaneously:
particulate matter: PM2.5, PM10
gaseous pollutants: carbon dioxide (CO₂), formaldehyde (HCHO), total volatile organic compounds (TVOC), ozone (O₃), carbon monoxide (CO), etc.
environmental parameters: temperature and relative humidity.
Core advantages:
High space efficiency: one device replaces multiple independent sensors, simplifying installation and layout.
Cost-effectiveness: compared with buying multiple independent sensors, the overall cost is lower.
High integration: provides a unified digital interface (such as RS485)
Data correlation: it can acquire multiple parameters at the same time, facilitating data fusion and more comprehensive environmental quality analysis.
