Carbon Dioxide (CO2) Sensor, Gas Sensor
Carbon Dioxide (CO2) Sensor, Gas Sensor
Overview
- Provides instant readings of indoor and industrial CO2 levels using advanced NDIR technology
- Typical accuracy of ±30 ppm ensures precise and reliable measurements
- NDIR sensing maintains minimal drift for consistent results over extended periods
- Suitable for battery-powered and IoT-enabled devices
- Covers 0–5000 ppm or higher for versatile applications
- Ideal for HVAC systems, air purifiers, smart home, and industrial automation
- Maintains accuracy across varying environmental conditions
- Supports UART, I2C, Analog, or Modbus for flexible connectivity
- Enables automated ventilation, alerts, and data-driven optimization
- Robust against environmental changes, ensuring long-term operation in diverse settings
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Carbon Dioxide (CO2) Sensor – Smart Carbon Dioxide Detector for Air Quality & IoT Applications
What is Carbon Dioxide (CO2) Sensor
The CO2 Sensor is a compact, high-sensitivity module designed for real-time carbon dioxide (CO2) concentration monitoring. It uses advanced Non-Dispersive Infrared (NDIR) technology to ensure stable, accurate, and long-term measurement performance. Unlike basic air sensors, this CO2 detector provides precise digital output through UART or I2C, making integration seamless with microcontrollers, smart home systems, and IoT hubs.
The sensor delivers accurate readings of carbon dioxide levels, helping users maintain optimal indoor air quality, improve energy efficiency, and comply with ventilation standards. Whether for home environment monitoring, HVAC automation, or agricultural greenhouses, it offers reliable detection with minimal maintenance.
Advantages of Carbon Dioxide (CO2) Sensor
- High accuracy with NDIR technology for long-term stable and drift-free readings
- Wide detection range: 400–5000 ppm (customizable up to 10000 ppm)
- Fast response and real-time monitoring for dynamic air quality tracking
- Digital output interfaces (UART/I2C) for easy integration with microcontrollers and IoT systems
- Low power consumption suitable for continuous or battery-powered operation
- Compact and modular design for flexible installation in devices or standalone setups
- Temperature and humidity compensation to enhance measurement consistency
- Factory calibrated for plug-and-play setup
- RoHS and CE compliant for global use
Carbon Dioxide (CO2) Sensor Specifications
| Parameter | Specification |
|---|---|
| Sensor Type | NDIR (Non-Dispersive Infrared) CO₂ Sensor |
| Measurement Range | 400–5000 ppm (optional 0–10000 ppm) |
| Accuracy | ±(50 ppm + 3% of reading) |
| Response Time | ≤10 seconds (typical) |
| Output Interface | UART / I2C digital output |
| Operating Voltage | 3.3V – 5V DC |
| Current Consumption | ≤5 mA (measuring) |
| Operating Temperature | –10°C to +60°C |
| Operating Humidity | 0–95% RH (non-condensing) |
| Calibration | Factory calibrated |
| Long-Term Stability | <2% drift / year |
| Dimensions | Compact module / customized versions available |
| Compliance | RoHS, CE |
Typical Applications
Smart Home & Air Quality Monitoring
Indoor CO₂ and air ventilation monitoring
Smart thermostats, purifiers, and ventilation systems
Smart home hubs and environmental dashboards
HVAC & Building Management Systems
Demand Controlled Ventilation (DCV)
Energy-efficient HVAC control
Office and commercial air quality optimization
Agriculture & Greenhouses
Greenhouse CO₂ enrichment control
Air circulation and plant growth optimization
Environmental automation systems
Industrial & Laboratory Settings
Storage and process monitoring
Gas safety and ventilation assurance
Controlled environment and incubator systems
DIY & Maker Projects
Arduino/ESP32 data monitoring projects
IoT air quality dashboards
Portable CO₂ detector prototypes
FAQ
1. How does this CO2 sensor measure carbon dioxide?
It uses NDIR (Non-Dispersive Infrared) technology, which measures CO₂ concentration by detecting infrared light absorption specific to carbon dioxide molecules.
2. Can it be connected to my IoT or home automation system?
Yes. The sensor supports UART and I2C digital communication, making integration with smart home hubs, Raspberry Pi, Arduino, or ESP32 straightforward.
3. How often should calibration be performed?
The sensor ships factory-calibrated and typically requires recalibration every 2–3 years depending on operating conditions.
4. Is the sensor suitable for outdoor use?
It is primarily designed for indoor or semi-protected environments. For outdoor use, a weatherproof enclosure is recommended.
5. Can I get a customized housing or range?
Yes. Both detection range and packaging options can be tailored for OEM or industrial applications.
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Strict Production Process
Engineers develop optimized electronic circuits and structural designs based on real application needs.
High-quality components and materials are carefully selected from trusted suppliers to ensure long-term reliability.
Automated SMT and precision soldering technologies are used to build stable and high-performance circuit boards.
Sensor elements or connector terminals are assembled with the PCB and housing to ensure accurate operation and strong mechanical stability.
Each product undergoes strict calibration and functional testing to guarantee accuracy and stable performance.
Every unit is carefully inspected, labeled, and securely packaged to ensure it arrives safely and performs reliably for your applications.
Strict Production Process of Yafeite
