GREYSTONE ENERGY SYSTEMS INC INDOOR AIR QUALITY Series

https://greystoneenergy.com/new-product-iaq-4-2-2/

The IAQ will monitor up to 6 parameters that include Particulate Matter (PM1, PM2.5, PM4 & PM10), Volatile Organic Compounds, Carbon Dioxide, Formaldehyde, Humidity & Temperature and provide either a BACnet® or Modbus signal for connection to a building automation system. The IAQ features field-replaceable sensor modules, a full-color capacitive touch screen LCD that’s user-configurable, and a configurable alarm relay output. All this is housed in a new modern, quick-mount enclosure.