Please make your choice.
The NuWave Sensors TD40v2 is a sensitive and concise airborne particle measurement sensor.
NuWave’s DP100 is a differential pressure sensor that monitors the difference in pressure between two locations. The DP100 features excellent accuracy, long-term stability and has no zero-point drift.
The PD29 is an all-in-one sound, light and motion sensing monitor designed specifically for occupancy detection.