Làm thế nào để sử dụng lửa dòng nhận dạng chức năng of vạn năng
Thợ điện used an electric pen before doing maintenance and troubleshooting, but now they use a multimeter. In fact, not only the electric pen can distinct between live wire and zero wire, but the the,
Phương pháp of phân biệt không dòng của sống dây với điện bút
Ordinary electric pen: in the past, an electric pen was always used to check the faults of electricians, and the ordinary electric pen distincted the live line and the zero line. Most people basically knew that the live line and the zero line were measured direct with an electric pen, and the electric pen lit as live line and the electric pen did not light as the the zero line.
Digital pen: Since the digital pen has been used, it has been rarely used for normal pensinary pens. For digital pens, there are many functions, such as checking the broken line without electric, distincting the zero line from the live line, distincting the positive and negative poles of the DC battery, and judging whether the wire is short-circuited. Do đó, bình thường bút là dần dần loại bỏ. Nếu bạn sử dụng kỹ thuật số bút đến phân biệt the live line from the zero line, you can direct measure the live line and the zero line with the pen and observe the voltage of the digital pen. pen. If the maximum voltage is 220V,
Quy nạp điểm ngắt bút stylus: The main function of the breakpoint stylus is to find the position of the breakpoint inside the line after the wire is not energized. The breakpoint stylus distinctes between the live wire and the zero wire, and measures the live wire and the zero wire tương ứng. When the the breakpoint stylus measures the live wire, it makes a relatively rapid sound, while when measuring the zero wire, it tạo ra a tương đối chậm âm thanh.
Phương pháp of phân biệt sống dây và không dây bằng vạn năng
For multimeter, there will be an AC voltage gear. For AC voltage gear, you can measure AC voltage. When measuring voltage, use red and black probes and put them on live wire and zero wire respectively, which will display its voltage. However, when measuring voltage, you should put it in a suitable gear, for example, when measuring household voltage of 220V and 380V, you should put the multimeter in the gear of AC voltage of 700V V.
For AC điện áp gear, not only the voltage can be measured, but also the live line and the zero line can be distincted. It's just that many people don't know. The multimeter distinctes between live wire and zero wire. Put the multimeter in the AC voltage gear, put the black stylus aside, and measure the live wire and wire with the red stylus tương ứng. Observe the numbers of the vạn năng. The big number is the live wire and the small number is the zero wire. If you feel that the number is not obvious, you can adjust the gear to a smaller level, so that the number will be more clear.
For the AC voltage gear of multimeter, you can not only measure the voltage, but also distinct the live wire from the neutral wire, in fact, you can also find the breakpoint inside the wire wire
