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Automotive CO2 Sensor

This MAXMAC-developed automotive-grade NDIR dual-channel CO? sensor module uses highly stable non-dispersive infrared detection technology. It offers fast response, strong anti-interference performance, and excellent long-term stability. Designed for automotive environments, it operates reliably under high temperature, vibration, and complex electromagnetic conditions, and is widely used in automotive HVAC systems, intelligent cockpit air quality monitoring, and industrial environmental monitoring.

  • Automotive-grade design for demanding operating conditions
  • High-accuracy detection for wide-range applications
  • Long-life structure for maintenance-free operation
NDIR Dual-Channel CO2 Sensor Module
Sensor Technology Principle
CO? Sensor Principle Diagram
CO? Sensor Principle Diagram
Technical Specifications
Automotive CO2 Sensor
Product Name
Automotive CO2 Sensor
Detection Principle
NDIR non-dispersive infrared
Detection Target
CO2 (carbon dioxide)
Operating Voltage
9-16 VDC, typical 13.5 V
Operating Current
20 mA @ DC13.5V, ambient 25°C
Peak Current
≤ 300 mA
Static Current
≤ 0.1 mA
Measurement Range
0-50000 ppm
Resolution
1 ppm
Measurement Accuracy
0-50°C: ±50 ppm + 5% reading; -40-0°C / 50-85°C: ±100 ppm + 10% reading
Response Time
T90 ≤ 60 s
Operating Temperature
-40°C to 85°C
Storage Temperature
-40°C to 90°C
Operating Humidity
0-95%RH, non-condensing
Service Life
15 years
Weight
≤ 20 g

Note: Specification parameters can be further confirmed according to vehicle project interface, calibration, and installation requirements. Document: MAXMAC-Automotive-CO2-CN Rev:1

Applications
In-Vehicle Air Purification / Intelligent Cockpit

In-Vehicle Air Purification / Intelligent Cockpit

For automotive HVAC systems and intelligent cockpit applications, this automotive-grade NDIR CO? sensor module monitors in-cabin CO? concentration in real time for intelligent fresh-air control and automatic recirculation adjustment. It helps prevent fatigue and drowsiness caused by CO? buildup, improving driving comfort and safety for passenger cars, commercial vehicles, and new energy vehicles.

Residential/Central Air Conditioning

Residential/Central Air Conditioning

Suitable for CO? monitoring in residential and commercial central air conditioning systems, with real-time data feedback for intelligent fresh-air system control. Ventilation volume can be adjusted automatically based on occupancy and indoor air conditions to maintain air quality while improving energy efficiency.

Fresh Air System

Fresh Air System

Used in residential and commercial fresh-air systems to monitor indoor CO? concentration in real time as a key basis for ventilation control. Dual-channel NDIR technology ensures long-term stable output and supports continuous operation in high-reliability applications.

Air Purifier

Air Purifier

Suitable for air purification equipment and intelligent building control systems, with dynamic monitoring and analysis of indoor CO? concentration. It can serve as a core IAQ parameter to support energy management and environmental optimization strategies.

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