Dual-Channel CO₂ Sensor Module High-Precision High-Reliability

High-Precision, Low-Power Co₂ Sensor Module

Featuring NDIR sensing technology and automatic environmental calibration, it delivers stable and accurate carbon dioxide measurements for indoor air quality monitoring, ventilation control, smart agriculture, and industrial applications.

✔ Key Highlights

• High-Precision NDIR Sensing
• Dual-Channel Design
• Wide Measurement Range: 0–5,000 ppm, with an expandable range
• Low Power Consumption: 40 mA average current and 150 mA peak current
• Automatic Calibration: Supports automatic environmental calibration
• Multiple Output Options: UART, Modbus RTU, PWM, and analog voltage (0.4–2.0 V)
• Flexible Alarm Output: Open-collector output rated up to 100 mA for high CO₂ alarm indication
• Fast Response: T90 response time of less than 120 seconds
• Wide Operating Temperature: -10°C to +50°C
• Long Service Life: Designed for a service life of up to 10 years