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NOx sensors primarily utilize electrochemical principles to measure nitrogen oxide (NOx) concentrations in exhaust gases. The core component is a yttria-stabilized zirconia (YSZ) ceramic electrolyte, which exhibits high ionic conductivity at elevated temperatures (typically 400–800°C).
NOx-sensitive electrodes: Specialized catalytic materials (e.g., metal oxides) on the sensor surface selectively react with NOx molecules, generating electrical signals proportional to NOx concentration.
Oxygen reference cell: A separate chamber with a reference oxygen level ensures accurate differentiation between NOx and residual oxygen in the exhaust.
Advanced models integrate self-diagnostic systems to monitor sensor health and ensure real-time compliance with emission standards (e.g., Euro 6, EPA Tier 4).
Post-SCR NOx Sensor: Monitors post-treatment NOx levels to evaluate SCR efficiency (≥95% conversion rate in China VI/EPA-compliant systems) and triggers OBD alerts for malfunctions.
CAN communication: Enables seamless integration with vehicle/industrial control systems for closed-loop emission management.
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If you are satisfied with our company's NOx sensor, you can directly order or consult the NOx sensor related issues. We will provide you with the best NOx sensor products and services. We are very happy to cooperate with you and bring you satisfactory products.
NOx sensors primarily utilize electrochemical principles to measure nitrogen oxide (NOx) concentrations in exhaust gases. The core component is a yttria-stabilized zirconia (YSZ) ceramic electrolyte, which exhibits high ionic conductivity at elevated temperatures (typically 400–800°C).
NOx-sensitive electrodes: Specialized catalytic materials (e.g., metal oxides) on the sensor surface selectively react with NOx molecules, generating electrical signals proportional to NOx concentration.
Oxygen reference cell: A separate chamber with a reference oxygen level ensures accurate differentiation between NOx and residual oxygen in the exhaust.
Advanced models integrate self-diagnostic systems to monitor sensor health and ensure real-time compliance with emission standards (e.g., Euro 6, EPA Tier 4).
Post-SCR NOx Sensor: Monitors post-treatment NOx levels to evaluate SCR efficiency (≥95% conversion rate in China VI/EPA-compliant systems) and triggers OBD alerts for malfunctions.
CAN communication: Enables seamless integration with vehicle/industrial control systems for closed-loop emission management.
| |
If you are satisfied with our company's NOx sensor, you can directly order or consult the NOx sensor related issues. We will provide you with the best NOx sensor products and services. We are very happy to cooperate with you and bring you satisfactory products.
