Research Article
New Leakage Current Particulate Matter Sensor for On-Board Diagnostics
Table 1
The emission limits of PM for automotive compression ignition engine.
| | | Euro-VI PM emissions limit | OBD-I threshold | OBD-II threshold |
| | PM (mass) | 4.5 mg/km (3.33 mg/m3) | 20 mg/km (14.8 mg/m3) | 9 mg/km (6.7 mg/m3) | | PN (count) | 6 × 1011 | Requirements postponed for lack of adequate sensing technology |
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