← Back to products
Out of stockShips within 1-2 days
🌫️ MG811 Gas CO2 Carbon Dioxide Sensor
Description
The MG811 is a high-sensitivity gas sensor specifically designed for detecting carbon dioxide (CO₂) levels in the environment. It is widely used in air quality monitoring systems, HVAC control, and environmental sensing applications.
Specifications
Gas Type: Carbon Dioxide (CO₂)
Detection Range: ~350 ppm to 10,000 ppm
Output Signal: Analog voltage
Operating Voltage: 6V DC (heater), 3.3V–5V (module dependent)
Preheat Time: Required for stable readings
Sensitivity: High sensitivity to CO₂, low cross-sensitivity
Application: Air quality monitoring, ventilation systems