Automotive Air Quality Module / Air Classification Module (ACM)

• Well suited for detection of carbon monoxide, volatile organic compounds, volatile sulfur compounds or nitrogen dioxide.
• Fast response: ~ 1 sec
• Hardware: circuitry for 2 micro-machined MOS sensor elements with micro-controller.
• Firmware: raw data output or quantification of CO/VOC and/or NO2, measurement interval ~200 ms
• Housing: polyamide PA6 with diffusion membrane and cover
• Output: PWM or RS232 via MQS connector

Hardware

• PCB with SMD electronics
• Circuitry for 2 MOS sensor elements
• Micro-controller for data processing
• PWM or RS232 output

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Firmware

• Functionality to drive MOS sensors
• Algorithm for self-diagnosis

Application-specific customization:

• Number of sensor elements needed
• Sensing material selection
• Operation parameters for sensor elements
• Mode of operation
• Interval time
• Algorithm output
• Output format and protocol

Applications

• CO/VOC and NO2 for automotive recirculation control
• CO/VOC/VSC for indoor air quality control
• VOC for residual solvent detection

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