Characteristic curve and setpoint values
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The new oxygen sensor characterized by an enlarged measuring range from lambda = 0.65. Additional benefits of the new oxygen sensor are its higher temperature stability, short response times of less than 30 milliseconds and high degree of signalling precision.
| Item | Explanation |
|---|---|
| 1 | Pump current |
| 2 | Characteristic curve for Lambda oxygen sensor LSU 4.9 |
| 3 | LSU ADV oxygen sensor characteristic curve |
| 4 | Oxygen concentration (lean mixture) |
| 5 | Oxygen concentration (rich) "oxygen-equivalent" |
Observe the following nominal values for the broadband oxygen sensor:
| Variable | Value |
|---|---|
| Lower voltage range of oxygen sensor heating | 10.7 to 16.5 V |
| Voltage of oxygen sensor heating in warm-up phase | 1.8 to 2 V |
| Voltage of oxygen sensor heating up to 5 seconds | 12 V |
| Voltage of oxygen sensor heating up to 6.5 seconds | 9 V |
| Operating temperature | 760 °C |
| Heating resistance at 20 °C | 2.0 to 3.2 Ω |
| Maximum pump current, air | 1, 5 mA |