Oxygen Sensor
General Description
Oxygen sensor is a sensor that detects the amount of oxygen in the exhaust gas of engine. It feeds back its own voltage signal to the engine electronic control unit (ECU) for air-fuel ratio closed-loop control.
Feature and benefits
u Strong reliability
u Short light-off time
u Strong anti-poisoning ability
u Stable signal
u Good sealing performance
u Quick response
Application
u Reduce car fuel consumption
u Improve the efficiency of the catalytic converter
u Participate in closed-loop control
项目Item | 条件Condition | 标准Standard | |
输出电压 Output voltage | 排气温度≥350℃ 加热器工作电压13V±0.5V Exhaust gas temperature ≥350 °C Heater operating voltage 13V ± 0.5V | Lambda=0.97 | ≥750mv |
Lambda =1.03 | ≤100mv | ||
响应性能 Response performance | 排气温度≥350℃ 加热器工作电压13V±0.5V Exhaust gas temperature ≥350 °C Heater operating voltage 13V ± 0.5V | 600mv—300mv | ≤200ms |
300mv—600mv | ≤100ms | ||
加热电阻 Heater resistance | 20℃±1℃ | 8.5Ω±1.5Ω | |
起燃时间 Light-off time | ≤12s | ||
静态λ值 Static lambda | 新鲜氧传感器 New oxygen sensor | 1.004±0.005 | |
加热功率 Heating power | ≤7W | ||
