Automotive Cabin Air Quality
Automotive CO2 sensors can monitor carbon dioxide concentration inside the vehicle cabin and provide data for automotive HVAC control, fresh air intake, cabin CO2 monitoring and automatic air recirculation strategies.
CO2 Sensors and NDIR CO2 Sensor Modules
Complete CO2 sensors and compact NDIR CO2 sensor modules for accurate carbon dioxide monitoring, HVAC control, indoor air quality management, automotive cabin sensing and OEM equipment integration.
CO2 Sensor Products for Different Integration Needs
MAXMAC offers both complete CO2 sensors and NDIR CO2 sensor modules to support different product development requirements. Complete sensors are designed for direct system installation, while compact CO2 modules are suitable for engineers and OEM manufacturers who need to integrate carbon dioxide measurement into their own devices.
Automotive CO2 Sensor
A complete CO2 sensor designed for vehicle cabin air quality monitoring, automotive HVAC control and intelligent air recirculation systems.
NDIR Dual-Channel CO2 Sensor Module - MS03-010
A compact NDIR dual-channel CO2 sensor module for OEM integration, indoor air quality devices, ventilation systems, greenhouse equipment and industrial monitoring applications.
NDIR Dual-Channel CO2 Sensor Module - MS03-011
An NDIR dual-channel CO2 sensor module designed for reliable carbon dioxide measurement in embedded systems, control equipment and customized sensing devices.
Why CO2 Monitoring Matters
Carbon dioxide concentration is an important indicator for air quality, ventilation efficiency and environmental control. High CO2 levels may indicate insufficient fresh air supply, poor ventilation or changing occupancy conditions. Accurate CO2 monitoring helps systems make better decisions for air exchange, HVAC operation, energy efficiency and environmental safety.
Improve indoor air quality monitoring
Support demand-controlled ventilation
Enable intelligent HVAC and air circulation control
Provide CO2 data for environmental and industrial equipment
NDIR CO2 Detection for Accurate Carbon Dioxide Measurement
MAXMAC CO2 sensors and CO2 sensor modules use NDIR detection technology to measure carbon dioxide concentration. NDIR CO2 sensing is widely used in air quality monitoring and environmental control because it provides stable, selective and reliable CO2 measurement for embedded sensing systems.
Dual-Channel CO2 Measurement
Dual-channel NDIR design helps improve measurement stability and long-term reliability, making the sensor module suitable for OEM products that require continuous CO2 monitoring and consistent data output.
Compact NDIR CO2 sensor modules can provide a sensing core for controllers, air quality platforms, ventilation products and industrial equipment that need carbon dioxide measurement inside a larger system.
CO2 Sensor or CO2 Sensor Module: Which One Do You Need?
Different applications require different levels of integration. A complete CO2 sensor is suitable for direct installation into a system, while a CO2 sensor module is designed for engineers who need to embed CO2 measurement into their own devices, controllers or air quality platforms.
| Type | Best For | Typical Applications |
|---|---|---|
| Complete CO2 Sensor | System manufacturers, automotive suppliers, equipment manufacturers | Automotive HVAC, cabin air quality, air recirculation control |
| CO2 Sensor Module | Engineers, OEM, ODM, device developers | IAQ devices, ventilation controllers, greenhouse equipment, industrial monitoring devices |
Choose a complete CO2 sensor when you need a ready-to-integrate sensing unit for system-level installation. Choose an NDIR CO2 sensor module when you need a compact sensing core for customized product development and embedded system design.
Applications of CO2 Sensors and CO2 Sensor Modules
MAXMAC CO2 sensing solutions can be used in multiple air quality and environmental control applications, from automotive cabin sensing to indoor ventilation, greenhouse CO2 control and OEM equipment integration.
HVAC and Ventilation Control
CO2 sensors are commonly used in HVAC systems and ventilation CO2 sensor equipment to support demand-controlled ventilation and improve indoor CO2 monitoring in buildings, offices and public spaces.
Indoor Air Quality Devices
NDIR CO2 sensor modules can be integrated into indoor air quality monitors, IAQ CO2 sensor products, smart home devices, air purifiers and environmental monitoring terminals.
Greenhouse and Agriculture
CO2 sensor modules can support greenhouse CO2 monitoring and environmental control systems, helping equipment measure carbon dioxide concentration for plant growth environments and agriculture applications.
Industrial and OEM Equipment
Compact NDIR CO2 modules are suitable for OEM CO2 sensor module integration into industrial instruments, control panels, environmental monitoring systems and embedded CO2 sensor module devices.
Key Features of MAXMAC CO2 Sensors
Compact CO2 Sensing Core for Product Integration
MAXMAC CO2 sensors and NDIR CO2 sensor modules are designed for system manufacturers, engineers and OEM teams that need stable carbon dioxide data in compact, integration-friendly sensing hardware.
NDIR CO2 Measurement
Uses NDIR detection technology for selective and stable carbon dioxide concentration measurement.
Dual-Channel Sensor Design
Dual-channel CO2 detection supports reliable measurement performance for long-term monitoring applications.
Complete Sensor and Module Options
Available as complete CO2 sensors for direct system installation and compact CO2 modules for OEM product integration.
Multi-Application Compatibility
Suitable for automotive cabin air quality, HVAC systems, indoor air quality devices, greenhouse control and industrial equipment.
Engineering-Friendly Integration
Designed for engineers and equipment manufacturers who need stable CO2 data output and flexible integration into control systems.
CO2 Sensor Product Comparison
| Product | Type | Detection Technology | Main Applications | Best For |
|---|---|---|---|---|
| Automotive CO2 Sensor | Complete CO2 Sensor | NDIR CO2 Detection | Automotive cabin, HVAC, air recirculation | Vehicle system integration |
| MS03-010 | NDIR CO2 Sensor Module | Dual-Channel NDIR | IAQ devices, ventilation, greenhouse, OEM equipment | Engineers and OEM integration |
| MS03-011 | NDIR CO2 Sensor Module | Dual-Channel NDIR | Embedded systems, control devices, industrial monitoring | Compact module integration |
For detailed specifications, communication interface, measurement range and mechanical design, please refer to each CO2 sensor product page.
Related CO2 Sensor Products
Related Automotive Air Quality Sensors
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Related CO2 Sensor Articles
Explore MAXMAC blog articles about CO2 sensor principles, NDIR technology, HVAC ventilation control, automotive cabin CO2 monitoring, multi-parameter air quality modules and industry trends.
How Does a CO2 Sensor Work?
Understand how NDIR infrared absorption is used for carbon dioxide measurement in HVAC, fresh-air, industrial and environmental monitoring systems.
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What Is the Difference Between NDIR and MOS Sensors?
Compare NDIR and MOS sensing principles, selectivity, stability and the difference between actual CO2 and eCO2.
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MAXMAC Launches the MS03-010 CO2 Sensor Module
Learn how the MS03-010 supports maintenance-free operation, simplified integration and engineer-friendly OEM development.
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Li Auto CO2 Sensor Standardization Analysis
Analyze why in-cabin CO2 monitoring is becoming part of smart healthy-cabin HVAC and air recirculation control.
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Air Quality Monitoring Solution for HVAC Applications
Explore room-level CO2 sensing, sensor placement and HVAC linkage for ventilation and indoor air quality control.
Read ArticleCO2 Sensor FAQ
What measurement technology do MAXMAC CO2 sensors use?
MAXMAC CO2 sensors and CO2 sensor modules use NDIR non-dispersive infrared technology to measure carbon dioxide concentration. NDIR CO2 detection is suitable for stable, selective and long-term CO2 measurement in automotive, HVAC, indoor air quality, greenhouse and OEM equipment applications.
What is the measurement range of MAXMAC CO2 sensors?
MAXMAC offers different CO2 measurement ranges for different applications. The CO2 sensor module supports 400-10,000 ppm, with other customized ranges available. The automotive CO2 sensor supports a wider measurement range of 0-50,000 ppm, making it suitable for vehicle cabin air quality monitoring and complex operating environments.
Are MAXMAC CO2 sensors factory calibrated?
Yes. MAXMAC CO2 sensors are factory calibrated before delivery to support reliable CO2 measurement after installation. The sensors are designed for long-term stable operation and can reduce the need for frequent recalibration in normal applications.
Do the CO2 sensors require maintenance?
MAXMAC CO2 sensors are designed for long service life and low maintenance. The CO2 sensor module supports a service life of ≥15 years, and the automotive CO2 sensor supports 15 years of service life. In normal applications, the sensor can be maintenance-free when ABC is enabled.
Can the CO2 sensor be calibrated by the user?
Yes. In addition to factory calibration, MAXMAC CO2 sensors can support self-calibration depending on the application and system design. This helps maintain stable measurement performance during long-term use.
Can MAXMAC CO2 sensors work in high-temperature and high-humidity environments?
Yes. MAXMAC CO2 sensors are designed to adapt to complex operating environments. The automotive CO2 sensor supports an operating temperature range of -40°C to 85°C and operating humidity of 0-95%RH, non-condensing. The CO2 sensor module supports 0°C to 50°C operating temperature and 5%-95%RH, non-condensing humidity.
What is the difference between the automotive CO2 sensor and the CO2 sensor module?
The automotive CO2 sensor is a complete CO2 sensing product designed for vehicle cabin air quality monitoring and automotive HVAC systems. The CO2 sensor module is a compact NDIR dual-channel CO2 measurement core designed for engineers, OEM manufacturers and device developers who need to integrate CO2 sensing into their own products.
Which CO2 sensor should I choose?
Choose the automotive CO2 sensor if you need a complete sensing unit for vehicle cabin air quality, automotive HVAC or air recirculation control. Choose the NDIR dual-channel CO2 sensor module if you need a compact CO2 sensing core for OEM integration, embedded systems, IAQ devices, ventilation controllers, greenhouse equipment or industrial monitoring devices.
Find the Right CO2 Sensor for Your Application
Whether you need a complete CO2 sensor for system installation or an NDIR CO2 sensor module for OEM integration, MAXMAC can support carbon dioxide measurement solutions for automotive, HVAC, indoor air quality, greenhouse and industrial applications.