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  • Carbon Dioxide Controller For Green Building Surveillance
    Carbon Dioxide Controller For Green Building Surveillance
  • Co2 Sensor Module For Ventilation System Measurement
    Co2 Sensor Module For Ventilation System Measurement
  • Temperature Humidity Transmitter For Ventilation System Measurement
    Temperature Humidity Transmitter For Ventilation System Measurement
  • Carbon Dioxide Transmitter For Ventilation System Measurement
    Carbon Dioxide Transmitter For Ventilation System Measurement
  • Indoor Air Quality Monitor For Ventilation System Measurement
    Indoor Air Quality Monitor For Ventilation System Measurement
  • Duct Air Quality Monitor For Ventilation System Measurement
    Duct Air Quality Monitor For Ventilation System Measurement
  • Multi-Sensor Air Quality Monitors For Indoor Pollutant Detection
    Multi-Sensor Air Quality Monitors For Indoor Pollutant Detection
  • Carbon Dioxide Transmitter For Indoor Pollutant Detection
    Carbon Dioxide Transmitter For Indoor Pollutant Detection
  • Duct Air Quality Monitor For Indoor Pollutant Detection
    Duct Air Quality Monitor For Indoor Pollutant Detection
  • High Accuracy Iaq Sensor For Indoor Pollutant Detection
    High Accuracy Iaq Sensor For Indoor Pollutant Detection
  • Multi‑Sensor Indoor Air Quality Detector For Public Space Air Testing
    Multi‑Sensor Indoor Air Quality Detector For Public Space Air Testing
  • Carbon Dioxide Transmitter For Public Space Air Testing
    Carbon Dioxide Transmitter For Public Space Air Testing
  • Duct Air Quality Monitor For Public Space Air Testing
    Duct Air Quality Monitor For Public Space Air Testing
  • Multi‑Sensor Indoor Air Quality Detector For Fresh‑Air System Control
    Multi‑Sensor Indoor Air Quality Detector For Fresh‑Air System Control
  • Ozone Controller With Relay Output For Fresh‑Air System Control
    Ozone Controller With Relay Output For Fresh‑Air System Control
  • Ethernet Air Quality Monitor For Fresh‑Air System Control
    Ethernet Air Quality Monitor For Fresh‑Air System Control
  • Indoor Air Quality Monitor For Fresh‑Air System Control
    Indoor Air Quality Monitor For Fresh‑Air System Control
  • Co2 Sensor Module For Parking Lot Gas Monitoring
    Co2 Sensor Module For Parking Lot Gas Monitoring
  • Duct Temperature Humidity Transmitter For Parking Lot Gas Monitoring
    Duct Temperature Humidity Transmitter For Parking Lot Gas Monitoring
  • Multi-Sensor Air Quality Monitors For Green Building Surveillance
    Multi-Sensor Air Quality Monitors For Green Building Surveillance
  • Carbon Dioxide Transmitter For Green Building Surveillance
    Carbon Dioxide Transmitter For Green Building Surveillance
  • Ozone Gas Detector For Duct Environment Sensing
    Ozone Gas Detector For Duct Environment Sensing
  • Co And Ozone Monitors And Controllers For Commercial Building Control
    Co And Ozone Monitors And Controllers For Commercial Building Control
  • Fresh‑Air Dehumidifying Controller For Commercial Building Control
    Fresh‑Air Dehumidifying Controller For Commercial Building Control
  • Building Air Quality Monitoring For Commercial Building Control
    Building Air Quality Monitoring For Commercial Building Control
  • Commercial Air Quality Monitor For Commercial Building Control
    Commercial Air Quality Monitor For Commercial Building Control
  • Indoor Air Quality Monitor For Commercial Building Control
    Indoor Air Quality Monitor For Commercial Building Control
  • Co2 Sensor Module For Hvac Air Monitoring
    Co2 Sensor Module For Hvac Air Monitoring
  • Ozone Controller With Relay Output For Hvac Air Monitoring
    Ozone Controller With Relay Output For Hvac Air Monitoring
  • Carbon Dioxide Controller For Indoor Gas Detection
    Carbon Dioxide Controller For Indoor Gas Detection

Our Products

  • Multi-Sensor Air Quality Monitors
  • Carbon Dioxide Monitors and Controllers
  • Ozone / CO / TVOC / PM2.5 Monitor / Controller
  • Temperature and Humidity Sensors and Controllers

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  • Downloads
  • Green Building case study

Contact Us

  • Address:Building #8, No.9 Dijin Rd, Haidian District, Beijing 100095, China
  • Phone:+86 10 5973 8939-8032
  • Cellphone:+86 15811018575
  • Email:contact@tongdy.com
  • WhatsApp:8615010290079
  • Wechat:18910275837

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