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Dual PM+CO2+AQS Integrated Sensor - P09

This MAXMAC-developed automotive-grade dual PM + CO? + AQS integrated air quality sensor module is designed for new energy vehicles and intelligent cockpit air management systems. It integrates particulate detection, CO? monitoring, and external pollutant gas sensing to enable multi-parameter monitoring and intelligent linked control. The product offers high stability, fast response, and excellent anti-interference capability for reliable operation under high temperature, vibration, and complex electromagnetic environments.

  • Integrated multi-parameter design reduces wiring complexity and system cost
  • Supports intelligent linkage with HVAC and thermal management systems
  • Automotive-grade reliability for complex in-vehicle environments
Dual PM+CO2+AQS Integrated Sensor
Sensor Technology Principle
All-in-One Sensor Principle Diagram
All-in-One Sensor Principle Diagram
Technical Specifications
P09 3-in-1 Automotive Sensor
Product Name
P09 3-in-1 Automotive Sensor
Integrated Parameters
PM2.5 + CO2 + AQS
Operating Voltage
9-16 VDC
Operating Current
Average 80 mA @ 13.5VDC; peak 350 mA @ 13.5VDC
Operating Environment
-40°C to 85°C, 5%-95%RH, non-condensing
Storage Environment
-40°C to 85°C, 5%-95%RH, non-condensing
Service Life
30000 h
Noise
≤25 dB(A) @ 50 cm
Dimensions
Main body 126 mm × 73.8 mm × 34 mm; with AQS harness approx. 126 mm × 418 mm × 34 mm
Communication
LIN
PM2.5 Measurement Principle
Laser scattering analysis
PM2.5 Range
0-999 µg/m³
PM2.5 Performance
Resolution 1 µg/m³; accuracy ±15 µg/m³ or ±15%; response ≤6 s
CO2 Measurement Principle
NDIR non-dispersive infrared
CO2 Range
400-10000 ppm, resolution 1 ppm
CO2 Accuracy
±(50 ppm + 5% of reading)
CO2 Timing
Warm-up ≤10 s; response ≤20 s (t63%)
AQS Output
Air quality level output
AQS Performance
Warm-up 30 s; response ≤3 s; output levels 0-6

Note: AQS harness length can be customized according to vehicle installation requirements. Specification parameters can be confirmed according to project requirements. Document: MAXMAC-P09-CN Rev:1

Applications
In-Vehicle Air Purification / Intelligent Cockpit

In-Vehicle Air Purification / Intelligent Cockpit

Designed for in-vehicle air purification and intelligent cockpit applications, this module integrates dual PM, AQS, and CO? monitoring to detect particulate matter, odor pollution, and CO? concentration changes in real time. It supports intelligent linkage of HVAC recirculation/fresh-air switching and purification strategies to improve cabin comfort and safety.

Residential/Central Air Conditioning

Residential/Central Air Conditioning

Suitable for residential and central air conditioning systems, it combines dual PM, AQS, and CO? monitoring for comprehensive evaluation of particulate matter, odor gases, and air freshness, helping the system achieve more precise purification, fresh-air, and temperature control linkage.

Fresh Air System

Fresh Air System

Suitable for residential and commercial fresh-air systems, it uses coordinated dual PM, AQS, and CO? sensing to monitor indoor air quality changes and provide data support for fresh-air volume adjustment, filtration efficiency optimization, and air quality management, balancing comfort and energy efficiency.

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