7730 Smart CO2 Carbon Dioxide Indoor Air Quality Monitor Temperature Humidity Measurement for Bedroom Close Rooms Offices Classroom

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Carbon Dioxide monitoring is essential to achieve a safe and healthy environment, especially in close areas like bedrooms, classrooms, offices, hospitals, hotels, gyms, and others. Proper CO2 monitoring reduces the risk of spreading airborne diseases and avoids dizziness, tiredness, headaches, difficulty breathing, and other common health issues that may lead to serious sickness

Our CO2 monitor is an advanced and accurate easy-to-use indoor air quality monitor. It monitors levels of carbon dioxide (CO2) and indicates what action is needed to improve air quality. In addition to measuring the CO2 concentration, it also measures the ambient temperature and relative humidity.


  • Big color display with real-time CO2, humidity, and temp. value
  • Touch the keypad to review the logged 8-hour average, 24-hour average, and 24-hour peak value
  • 3-level backlight brightness to select from
  • A manual CO2 calibration feature is included
  • The buzzer function can be enabled or disabled
  • Programmable traffic light to indicate the status of indoor air quality
  • Adjustable alarm threshold
  • Color indicator
    • Green: normal concentration level, no action required
    • Yellow: Ventilation required. partially open trickle ventilators or leave the room door partially open
    • Red: Significant ventilation required, open window and leave door fully open
  • Buzzer alarm function


  • Voltage: 100~240V AC 50Hz
  • Power Rating: 300mW
  • CO2 Measurement
    • Range: 0~9999ppm
    • Accuracy: ±40ppm
    • Resolution: 1ppm
  • Ambient Temperature: 0~50°C
  • Humidity: 0~95%RH
  • Response Time: <2 minutes
  • Warm-up Time: 30 seconds
  • IP rating: IP40
  • Material: Flame retardant PC/ABS
  • Terminal capacity: 1 x 1.5mm²
  • Dimensions: 86 x 86 x 15mm

Set Includes:

  • 1 x Indoor CO2 Monitor
  • English Instruction Manual
  • Standard Factory Packaging

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