RS485 CO2 gas analyzer，Air quality controller 3-speed relay output，for indoor ambient air ventilation to improve air quality

WIFI RS485 CO2 gas analyzer 3-speed relay output,Air quality controller for indoor ambient air ventilation to improve air qualit

RS485 CO2 gas analyzer，Air quality controller 3-speed relay output，for indoor ambient air ventilation to improve air quality

RS485 CO2 gas analyzer，Air quality controller 3-speed relay output，for indoor ambient air ventilation to improve air quality

Indoor ventilation system CO2 controller with three-speed output to improve ambient air quality

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WIFI/RS485 Air Quality Analyzer&Detector Controller For Sensor CO2&VOC&PM2.5&Temp&Humidity EC 0-10V Modulation Fan/AC 3-Speed

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TUYA WIFI Color touch CO2 Gas Analyzer Detector Sensor for Air Control System,Can add RS485 MODBUS module function

HESSWAY Temp Humidity VOC CO2 PM2.5 Sensor Gas Detector&Control for Ventilation System Apparatus 0-10V RS485 Connection

TUYA APP WIFI CO2 analyzer controls air ventilation system,With temperature and humidity, weather display

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HESSWAY Gas Analyzer PM2.5 CO2 Sensor Controller for Air Quality Pollution Solve Ventilation System By Smart WIFI Remote Monitor

HVAC system 3 speed fan controller with temperature and CO2 display RS485 ventilation fresh air controller

Used for 3 speed fan with temperature and CO2 display RS485 ventilation system fresh air controller

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