CO2 is produced when people breathe. Each exhaled breath by an average adult contains 35,000 to 50,000 parts per million (ppm) of CO2 – 100 times higher than is typically found in the outside air (OSA).
The CO2 concentration in an occupied indoor space indicates if the building’s air exchange balance is appropriate – that is, if the optimal amount of OSA is being mixed with air that has been circulating in the building
CO2 is a natural component of the atmosphere. The amount of CO2 in an air sample is expressed as parts per million (ppm) – the number of CO2 molecules per million molecules of air. The CO2 levels in the air outside a building are usually 380 ppm or higher, depending on:
• Local conditions – vehicle traffic, industry and other sources of combustion.
• Weather conditions – wind and temperature inversions can cause combustion gases to build up in a local area.
The Think Air node is a low cost Air quality node capable of LoRaWAN, 3G, Wired or WiFi connectivity, equipped with a Multi-sensor modular unit that can integrate into existing Think AIr networks.
The node offers extremely accurate PM10, PM2.5, CO1, NO2, C2H6OH, H21, NH31, CH4, C3H8, C4H10, temperature and humidity readings confined within a small solar powered unit.
The unit is calibrated against AURN monitoring networks to ensure the values displayed have correlation that parallels that of the current government reporting network.