What is cable tdr test?

Cable TDR (Time Domain Reflectometer) Test is a method used to diagnose and locate faults in a cable. The test involves transmitting a signal along the cable and then measuring the reflections that come back. These reflections occur when the signal encounters an impedance change in the cable, such as a break or a short circuit.

A TDR tester emits a high-frequency pulse and analyzes the reflected waveform. The tester can determine the distance to a fault based on the time it takes for the pulse to reach the fault and reflect back to the tester. It can also measure the extent and severity of the fault, such as a small cut or a complete break.

Cable TDR testing is a non-destructive method and can be used for a variety of cable types and applications, including power and communication cables, coaxial cables, and data and network cables. It is a useful tool for diagnosing problems in cables and can help speed up and improve the accuracy of troubleshooting and maintenance.