MAXMAC Automotive CO2 Sensor
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PRODUCT FEATURES

Automotive CO2 Sensor

  1. Automotive-Grade CO2 Monitoring: Designed for intelligent vehicle cabins, the sensor uses NDIR non-dispersive infrared technology to provide reliable carbon dioxide data for your in-cabin air quality and fresh-air control systems.
  2. Wide CO2 Measurement Range: It measures CO2 from 0–50,000 ppm with 1 ppm resolution, supporting accurate monitoring from normal cabin conditions to elevated concentration levels.
  3. Fast Response and Stable Accuracy: A response time of T90 ≤ 60 seconds enables timely fresh-air adjustment, while automotive-grade operation from −40°C to 85°C supports reliable performance across changing vehicle climates.
  4. Long-Life, Low-Power Design: With a typical operating current of only 20 mA, a 15-year service life and a weight of ≤20 g, the compact sensor is suited to long-term integration in vehicle cabin air quality systems.

TECHNICAL DATA

Automotive CO2 Sensor Specifications

CO2 Detection

Product Name
Automotive CO2 Sensor
Sensing Principle
NDIR non-dispersive infrared
Detection Target
CO2
Measurement Range
0–50,000 ppm
Resolution
1 ppm
Accuracy
0–50°C: ±(50 ppm + 5% of reading); −40°C and 50–85°C: ±(100 ppm + 10% of reading)
Response Time
T90 ≤ 60 s

Electrical Performance

Operating Voltage
9–16 VDC, typical 13.5 V
Operating Current
20 mA @ 13.5 VDC, 25°C
Peak Current
≤300 mA
Quiescent Current
≤0.1 mA

Operating Conditions & Lifetime

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: Specifications can be further confirmed according to vehicle project interface, calibration and installation requirements.

Document: MAXMAC-Automotive-CO2-EN Rev.1

TECHNICAL DATA

Automotive CO2 Sensor Datasheet Downloads

RELATED RESOURCES

Related CO2 Sensor Resources

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Sensor Technology

How Does a CO₂ Sensor Work?

Understand how NDIR infrared absorption converts carbon dioxide concentration changes into stable readings for HVAC and fresh-air control.

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