Air Quality 
Products in this category: 

Small Green Box. 

A unique sampling system. 
This system provides real time monitoring for dust (pm10, pm2.5 ) and gases(choose from NO2, NO,O3, SO2,H2S,CO and CO2 by NDIR or VOC's by pid. 
The system can support up to 4 cells and CO2 or 3 cell with a VOC detector plus CO2. 
Datalogging. This unit can sample at any frequency down to one sample per second.. Data can be obtained remotely or data log locally. 
Connectivity Wired (ethernet) or wireless attachment 
Power powered options 90 to 240v AC or 7- 24v DC ask about external power options- back up battery provides 2hours of power