On the base of current signal lamp, it designs a explosion-flashing alarm lamp with a long life, breadth working voltage, fully functions and convenient in production, management, use and repair.
When internal resistance is alarmed, the alarm lamp lights; when voltage is alarmed, voltage indicator lamp lights.
当出现内阻报警时报警指示灯亮,当出现电压报警时电压指示灯亮。
Having analysed the causes of alarm lamp flashing for oil pressure in automobile, pointed that it is concerned with many factors and should handle on time.