The NM-CO2 carbon dioxide gas sensor is a general-purpose intelligent infrared gas sensor (hereinafter referred to as the sensor). It utilizes the principle of non-dispersive infrared (NDIR) to detect CO2 in the air, is oxygen-independent, has stable performance, long lifespan, and built-in temperature compensation.
| Model |
NM-CO2 |
| Detection Gas |
CO2 |
| Working Voltage |
4.5~5.5V |
| Average Current |
<60mA |
| Testing Range |
400~5000PPM |
| Interface level |
3.3V |
| Output Signal |
UART/PWM |
| Preheating Time |
1min |
| Response Time |
T90 < 100s |
| Working Temperature |
-10~50 ℃ |
| Stocking Temperature |
-20~60 ℃ |
| Working Humidity |
0~95% RH (No Condensation） |
| Weight |
7g |
| Service life |
>5 Years |
15 Days Warranty
This product comes with a 15-day warranty starting from the date of delivery. The warranty covers manufacturing defects only. If a defect is confirmed, the item will be replaced.
Warranty will not apply if:
- The product has been misused, dropped, or damaged.
- It has been exposed to water, fire, chemicals, or static discharge.
- It has been tampered with, soldered, or altered in any way.
The NMCO₂ NDIR Carbon Dioxide Sensor is a high-performance CO₂ gas detection module engineered for accurate and stable carbon dioxide concentration monitoring. Utilizing advanced Non-Dispersive Infrared (NDIR) technology, this sensor delivers precise measurements with excellent long-term stability and minimal drift.
Designed for continuous operation, the NMCO₂ sensor provides reliable real-time CO₂ data across a wide range of environmental conditions. Its strong anti-interference capability ensures consistent performance, making it suitable for integration into professional air monitoring and control systems.
The NMCO₂ module is ideal for use in indoor air quality (IAQ) monitoring devices, HVAC systems, smart ventilation control units, environmental monitoring stations, greenhouses, laboratories, and industrial process automation applications. It helps maintain optimal indoor air standards, improve ventilation efficiency, and support regulatory compliance.
Key Features:
- Advanced NDIR infrared CO₂ sensing technology
- High precision and strong repeatability
- Stable long-term performance with low drift
- Wide measurement range (model dependent)
- Fast response time
- Low power consumption
- Compact and durable module design
- Suitable for continuous monitoring systems
Applications:
- Indoor Air Quality (IAQ) monitoring
- HVAC and building automation systems
- Industrial CO₂ monitoring equipment
- Agricultural and greenhouse CO₂ control
- Environmental monitoring stations
- Air purification and fresh air systems
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