สายรถยนต์ตัวทดสอบวงจร DC 6V/12V แรงดันไฟฟ้าปากกาวัดไฟฟ้าอัตโนมัติไฟทดสอบ

Widely used in trailers, RVs, motorcycles, airplanes, snowmobiles, etc. Light tube not easy to heat and damage, durable and safe to use. It is convenient to use, efficient to detect, easy to operate and has reliable performance. Can detect each fault in the place where the space is narrow and light is weak. Support short
-circuit and open
-circuit test, ignition system test,engine performance test, charging system test, automobile battery performance test, circuit polarity discrimination test.