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CO2 Sensor MG811 – Carbon Dioxide Gas Sensor Module
₹2300.0
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The MG811 CO2 Sensor Module is a highly sensitive and stable carbon dioxide detection sensor widely used in environmental monitoring, air quality testing, and ventilation control systems. Designed with an electrochemical sensing principle, the MG811 provides accurate and reliable CO2 measurements over a wide concentration range. It features low power consumption, high selectivity for CO2, and a long service life, making it ideal for IoT projects, indoor air quality monitoring, HVAC systems, and industrial applications.
This sensor outputs an analog voltage signal proportional to CO2 concentration, which can be easily interfaced with microcontrollers such as Arduino, ESP32, or Raspberry Pi.
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Product Specifications
| Specification | Details |
|---|---|
| Model | MG811 CO2 Sensor |
| Detection Gas | Carbon Dioxide (CO2) |
| Detection Range | 350 ppm – 10,000 ppm |
| Operating Voltage | 6V ± 0.1V DC |
| Preheat Time | ≥ 24 hours |
| Signal Output | Analog voltage |
| Operating Temperature | 0°C to 50°C |
| Operating Humidity | 0% – 95% RH (non-condensing) |
| Dimensions | Approx. 32mm × 22mm (with breakout board) |
Key Features
- High sensitivity to CO2
- Stable and reliable performance
- Long lifespan and durability
- Low power consumption
- Wide detection range
- Easy analog output signal
- Compatible with Arduino
- Raspberry Pi
- and other microcontrollers
- Compact and lightweight design
Applications
- Indoor air quality monitoring
- Smart home ventilation control
- HVAC systems
- Agricultural greenhouse monitoring
- Industrial CO2 detection
- IoT-based environment monitoring
- Classroom and office air quality testing
- CO2 level alarms and analyzers
Inside the Box
- 1 × MG811 CO2 Sensor Module
- 1 × Breakout PCB (if included)
- Datasheet/Reference guide (soft copy available online)
Frequently Asked Questions
The MG811 sensor can detect CO2 concentrations from 350 ppm to 10,000 ppm.
Yes, it outputs an analog voltage signal that can be read using Arduino or similar microcontrollers. However, a stable 6V power supply is recommended.
Yes, for accurate results, calibration in a known concentration of CO2 is recommended.
