The test principle of multi-core cable testing instrument is presented in this paper.
本文介绍了多芯电缆测线仪的测试原理及应用。
Aiming at the inherent electrical parameters of cables and using monolithic processor as the process core, the design principles and basic configuration of a cable testing instrument are introduced.
介绍了以电缆固有的电参数为检测对象，以单片机为处理核心的电缆测试仪的设计原理及其基本组成。
The application results show that the instrument can perfectly satisfy the requirement for automatic testing the communication cable fault point rapidly in a local telephone network.
实践证明，在区域性电信网络中，电信电缆监测仪可以快速地实现电缆故障点自动定位。
Zinc oxide lightning arrester testing instrument for traction, it is necessary to pay attention to the cable taut.
氧化锌避雷器测试仪牵引时，有必要留心使电缆拉直拉紧。
Zinc oxide lightning arrester testing instrument for traction, it is necessary to pay attention to the cable taut.
氧化锌避雷器测试仪牵引时，有必要留心使电缆拉直拉紧。
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