Tongdy has released a new powerful indoor air quality monitor, which can monitoring CO2,TVOC, PM2.5, Temp.&RH, light, nouse or CO. It can support one of LoraWAN/WiFi/Ethernetor RS485 interface, and it has data storage for local data download by BlueTooth. It’s an in-wall type or on-wall mounting, with or without display. The monitor names EM21, it’s almost used for each application and in everywhere.
Post time: Aug-28-2023