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汽油发动机点火正时提前角是否准确，直接影响汽油发动机的使用性能和其排出的废气对大气的污染程度．根据电、磁相互转换的原理，利用汽油发动机火花塞跳火时在其连接导线上有电流通过的现象，将其转换为电压信号，该信号经过处理和放大，触发闪光管闪光，用以指示汽油发动机火花塞的跳火时刻，达到检测和调整汽油发动机点火正时提前角的目的．应用该原理研制的ＴＡ１型汽油发动机点火正时分析仪，具有携带方便，操作、使用简单和校准的发动机点火提前角准确等特点
Gas engine ignition timing advance angle is accurate, a direct impact on the performance of gasoline engines and exhaust emissions of its pollution to the atmosphere. According to the principle of electric and magnetic mutual conversion, the phenomenon of current passing through the connecting wire of a spark plug of a gasoline engine is converted into a voltage signal after being processed by a spark plug of a gasoline engine, and the signal is processed and amplified to trigger a flash tube to indicate gasoline Spark plug engine spark moment, to detect and adjust the ignition timing of gasoline engine ignition timing purposes. The application of this principle developed TA 1 gasoline engine ignition timing analyzer, with easy to carry, operate, easy to use and calibration of the engine ignition timing accuracy and so accurate