https://ourair.mann-hummel.com/indoor-air-sensor-sps208.html
The OurAir SPS208 is an indoor air quality monitor that measures all 5 parameters required by the RESET™ Air Standard for Commercial Interiors, including PM2.5, TVOC, CO2, temperature, and humidity.
The OurAir SPS208 is an indoor RESET Air Accredited Grade B monitor for all 5 parameters.
Known to work with the following RESET Air Accredited Data Providers: OurAir.