Meta Description: Durable ZrO₂-based NOx sensors with CAN-Bus integration. IATF 16949-certified production, 24-month warranty, and global technical support.
Why NOx Sensors Are Critical in SCR After-treatment?
Modern diesel engines rely on SCR systems to meet Euro 6/China VI emission standards. As the "nerve center" of SCR systems, NOx sensors:
- Monitor real-time NOx concentration (50-2500 ppm range)
- Optimize urea injection via ECU feedback loops
- Trigger DTC alerts for system malfunctions (P2200-P2219 series)
Industry data shows 92% of SCR efficiency loss originates from sensor drift (Frost & Sullivan, 2023). Our zirconia-based sensors solve this through precision engineering.
Technical Superiority of Our ZrO₂ NOx Sensors
✅ Advanced Zirconia Sensing Core
- Yttria-stabilized ZrO₂ element with 0.05μm Pt/Pd electrodes
- Operates at 600-800°C with ±1.5% FS accuracy
- Resists sulfur poisoning (300ppm SO₂ tolerance)
✅ Intelligent Signal Processing
- Auto-compensation for exhaust temperature fluctuations
- J1939/CAN 2.0B protocol compatibility (tested on Siemens VDO ECUs)
✅ Ruggedized Construction
- 316L stainless steel probe with IP69K-rated connector
- Vibration-resistant up to 15g (meets ISO 16750-3)
Performance Comparison vs. Competitors
| Parameter | Our Sensor | Industry Average |
|---|---|---|
| Response Time | 0.8s | 1.5-2.2s |
| Calibration Interval | 500k km | 300k km |
| Mean Time Between Failure | 15k hrs | 9k hrs |