PM+CO2+AQS Integrated Sensor - P15

This automotive-grade 3-in-1 PM+CO2+AQS sensor offers high integration, multi-parameter sensing, and stable output. It monitors particulate pollution, CO2 concentration, and volatile gas changes in the cabin in real time, providing reliable data support for HVAC, fresh-air, and purification systems.

  • 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
PM+CO2+AQS Integrated Sensor
Sensor Technology Principle
All-in-One Sensor Principle Diagram
All-in-One Sensor Principle Diagram
Technical Specifications
PM+CO2+AQS
Detection Parameters
PM2.5 / CO₂ / AQS
Communication Interface
LIN
Operating Voltage
9~16VDC
Operating Current (Average)
80 mA@13.5VDC
Operating Current (Peak)
350 mA@13.5 VDC (<10ms/cycle)
Operating Temperature
-40℃ ~ 85℃
Operating Humidity
5% ~ 95%RH (non-condensing)
Storage Temperature
-40℃ ~ 85℃
Storage Humidity
5% ~ 95%RH (non-condensing)
Service Life
30000 h
Noise
≤25dB(A)@50cm
Dimensions
126mm*73.8mm*34mm (main body)① / 126mm*418mm*34mm (AQS with lead wire)②
PM2.5 Measurement Principle
Laser scattering analysis
PM2.5 Range
0 ~ 999ug/m³
PM2.5 Resolution
1 ug/m³
PM2.5 Accuracy
±15 ug/m³ or ±15%
PM2.5 Response Time
≤6s
CO₂ Measurement Principle
Non-Dispersive Infrared (NDIR)
CO₂ Range
400 ~ 10000ppm
CO₂ Resolution
1 ppm
CO₂ Accuracy
±(50ppm+5% of reading)
CO₂ Warm-Up Time
≤10s
CO₂ Response Time
≤20s (τ63%)
AQS Warm-Up Time
30S
AQS Response Time
≤3s
AQS Output Level
Level 0~6

Note: ① The main body is an integrated sensor consisting of PM2.5 and CO2, with an AQS interface; ② The AQS lead wire length can be customized according to installation requirements.

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 CO₂ monitoring to detect particulate matter, odor pollution, and CO₂ 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 CO₂ 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 CO₂ 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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