proto
zone air no2 concentration sensor point
implements
| air | The mixture of gases which surrounds the earth | 
|---|---|
| concentration | Abundance of substance in the total volume of a mixture | 
| no2 | Nitrogen dioxide (NO₂) | 
| no2-concentration | Concentration of nitrogen dioxide (NO₂) in the air | 
| point | Data point such as a sensor or actuator | 
| sensor | Point is a sensor, input, AI/BI | 
| zone | Related to spaces from a system perspective |