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Cable Fault Locators

GAOTek’s fault locators and underground fault locators are precise and practical devices which provide an immediate display of the location and distance of the break in pair wires and cables both underground and above ground level. These high-quality and portable field instruments make use of time domain reflectometer (TDR) and bridge methods, which adopts advanced micro-electronics technology. They are designed to measure the exact fault location and distance for underground and above ground telecommunication covered with sheathed, plastic or lead wires. GAOTek’s cable fault locators are effective instruments for field staff, because it reduces labor intensity, and enhances work efficiency and precision.

If you have any questions about our industrial and commercial grade above ground and underground cable fault locators or would like a price quote, please feel free to contact one of our product experts who would be more than happy to assist you.  Click Here to contact an Expert .


Cable fault distance locators can quickly locate some hidden, underground and out of reach cables with ease . These locators can solve the issues as early as possible by sending signals down to the investigation area, then calculating and determining the distance and exact location of the fault from the base station, whether the cable is above ground or underground. Afterwards, the information will be delivered to the users via the LCD display. They are mainly used in the line project acceptance tests and inspection of cables.  Also, these devices are widely used in testing underground cables to find out impedance break points, to locate the distance to cable damages, and reveal terminal impedance failures. It helps technicians by decreasing investigation time, enhancing work proficiency, and lessens workload of line installation or maintenance of cables that are located underground and above ground.


GAOTek’s cable fault detectors and underground cable fault locators are user-friendly, portable, lightweight, and compact. The high-quality and affordable devices feature auto key that allows engineers to get test results instantly after setting the proper parameters. Moreover, they have USB and sometimes RS-232C interface for waveform transmission and analysis. Cable fault locators and underground fault locators have a unique feature of automatic placement of measuring cursor at fault point in auto mode. These devices are weatherproof and have large LCD display for easy visualization.

Applications and Industries

Cable fault detectors and underground fault detectors are widely used as the solution to install, analyze, and identify fault points in HFC systems for both above ground and underground cables. Cable fault locators are typically used in the data communications, video communications, networks, technical services and communications industries, as well as the infrastructures of hydro, oil, gas, and mining industries.

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