CO2 PPM Sensor

High-Precision CO₂ PPM Sensor Product Details 

The NBL-W-CO2 sensor utilizes an imported infrared sensing chip, delivering high sensitivity and stability for accurate CO₂ concentration detection in air. Its integrated circuit module supports 4-20mA current and RS485 outputs, ensuring seamless system integration. Compact and lightweight, with wide voltage compatibility, it meets diverse installation needs. With long-distance signal transmission and strong anti-interference capabilities, this sensor is ideal for commercial and industrial CO₂ monitoring applications. 

CO2 PPM Sensor Product Features 

- High-Precision Detection: Measures 0-5000ppm with ±(50ppm + 3%FS) accuracy and 1ppm resolution.

- Multiple Output Options: Supports 4-20mA or RS485 Modbus for flexible system integration.

- Wide Power Compatibility: Operates on 12-24V DC, adaptable to various power setups.

- Compact and Easy to Install: Weighs only 140g, includes a 2.5m cable for flexible deployment.

- Superior Anti-Interference: Dedicated circuit design ensures stable long-distance transmission.

- Low Power Consumption: Operates at just 0.2W, energy-efficient and reliable.

  CO2 PPM Sensor Technical Specifications

 CO2 PPM Sensor 4-20mA Output Advantages 

The 4-20mA current output offers robust benefits for CO₂ monitoring:

- Strong Anti-Interference: Current signals resist voltage fluctuations and electromagnetic interference, ensuring stable data transmission.

- Long-Distance Transmission: Supports reliable signal transfer over extended distances, ideal for large facilities.

- High Compatibility: Integrates seamlessly with PLC, DCS, and other control systems, reducing setup costs.

- Simple Fault Detection: Signals below 4mA or above 20mA indicate system issues for quick diagnostics. 

Calculation Formula (4-20mA):  

C = (I - 4) / 16 × 5000  

(C: CO₂ concentration in ppm; I: output current in mA)

CO2 PPM Sensor Application Scenarios 

- Commercial Buildings: Monitors CO₂ levels in offices and meeting rooms to enhance indoor comfort and safety.

- Greenhouses and Agriculture: Tracks CO₂ concentration to optimize photosynthesis and boost crop yields.

- Industrial Facilities: Detects CO₂ buildup in workshops or confined spaces, ensuring worker safety.

- Public Spaces: Assesses air quality in schools, malls, and airports for healthier environments.

- Laboratories: Supports precise gas control in research settings for accurate environmental management.

 Summary 

The NBL-W-CO2 sensor, with its high precision, stability, and versatile 4-20mA/RS485 outputs, is a reliable solution for CO₂ monitoring across diverse environments. Its compact design, low power consumption, and robust anti-interference capabilities make it ideal for smart ventilation, green buildings, and healthy workspaces, empowering efficient air quality management.

Carbon dioxide sensor(CO2 sensor) data sheet：

NBL-W-CO2-Carbon-Dioxide-Sensor-Instruction-Manual-2000ppm.pdf

NBL-W-CO2 Carbon-Dioxide-Sensor-Instruction-Manual-5000ppm.pdf