- on Education & Information
- Published in issue 10/2011 on page 32
Time Domain Reflectometry
Beginner’s guide to locating shorts and opens in long cables
Sure, an ohmmeter is a handy instrument for checking wires and cables for opens and shorts. But finding an open or short is not easy when the cable is long, or if the fault is hidden inside a wall or under a street. Finding partial opens or shorts, or just bad connections, is sometimes even tougher. That’s where TDR comes in useful.