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Nitrogen Oxide NOx Sensor

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Company news about What happens if a particulate matter sensor fails?

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What happens if a particulate matter sensor fails?

2026-02-05

The failure of particulate matter sensors will directly affect the normal operation of air quality monitoring and related systems, potentially leading to environmental or equipment risks being overlooked. The following is an analysis of the specific impacts:

1. Inability to accurately monitor particulate matter concentration in the air
Particulate matter sensors (such as PM2.5, PM10, PM1.0) detect the concentration of suspended particles in the air using principles such as laser scattering. If they fail, the system will be unable to obtain accurate data, leading to misjudgment of air quality. In industrial environments, this could mask excessive dust levels, increasing occupational health risks.

2. Impact on the diagnostic function of diesel engine emission control systems
In diesel vehicles, particulate matter sensors are used to monitor the working status of the diesel particulate filter (DPF). If the sensor fails, the on-board diagnostic system (OBD) will be unable to detect DPF blockage or leakage in a timely manner, leading to excessive exhaust emissions and violations of environmental regulations.

3. Reduced responsiveness of intelligent environmental control systems
In smart buildings or clean workshops, particulate matter sensors are one of the core components of indoor air quality (IAQ) management systems. Sensor failure will cause air conditioning, ventilation, or purification equipment to lose their control basis, affecting occupant comfort and production environment standards.

4. Potential failure of equipment protection mechanisms
Some high-precision industrial equipment or laboratory instruments rely on clean air for operation. If a particulate matter sensor fails and is not replaced or an alarm is not triggered promptly, harmful particles may enter critical components, causing equipment wear or deviations in experimental data.

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Home > News >

Company news about-What happens if a particulate matter sensor fails?

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What happens if a particulate matter sensor fails?

2026-02-05

The failure of particulate matter sensors will directly affect the normal operation of air quality monitoring and related systems, potentially leading to environmental or equipment risks being overlooked. The following is an analysis of the specific impacts:

1. Inability to accurately monitor particulate matter concentration in the air
Particulate matter sensors (such as PM2.5, PM10, PM1.0) detect the concentration of suspended particles in the air using principles such as laser scattering. If they fail, the system will be unable to obtain accurate data, leading to misjudgment of air quality. In industrial environments, this could mask excessive dust levels, increasing occupational health risks.

2. Impact on the diagnostic function of diesel engine emission control systems
In diesel vehicles, particulate matter sensors are used to monitor the working status of the diesel particulate filter (DPF). If the sensor fails, the on-board diagnostic system (OBD) will be unable to detect DPF blockage or leakage in a timely manner, leading to excessive exhaust emissions and violations of environmental regulations.

3. Reduced responsiveness of intelligent environmental control systems
In smart buildings or clean workshops, particulate matter sensors are one of the core components of indoor air quality (IAQ) management systems. Sensor failure will cause air conditioning, ventilation, or purification equipment to lose their control basis, affecting occupant comfort and production environment standards.

4. Potential failure of equipment protection mechanisms
Some high-precision industrial equipment or laboratory instruments rely on clean air for operation. If a particulate matter sensor fails and is not replaced or an alarm is not triggered promptly, harmful particles may enter critical components, causing equipment wear or deviations in experimental data.

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