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Glite Dictionary
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TDR

TDR

1 8.8
A tool that finds breaks in cables by sending pulses and reading echoes
  • noun
  • Specialized
: TDR
  • To locate breaks in the wiring, the technician employed a TDR that sends pulses and measures reflections.

Examples

  • The Northern Sand Plain scientists also found a way to irrigate crops more precisely by a weekly check of soil moisture with a portable time domain reflectometry (TDR) unit.

    Academic text (2000)

  • Time-domain reflectometry (TDR) measurements were performed on all of the structures by monitoring the reflection at the input source from the line impedance relative to the 50-ohm source.

    Academic text (1995)

  • My toolbox is the Simpson meter, the TDR, the O-scope, the spectrum analyzer, programming, and common sense.

    Blog text (33)

  • The TDR Series of eight-pin plug-in time delays is adjusted with two 10-position binary coded switches, one for the on time and one for the off time.

    Academic text (1998)

  • A tunnel diode resonator precisely measures magnetic responses at very low temperatures, and Ames Laboratory is one of the few research facilities in the world with TDR instrumentation.

    Blog text (2)

  • An engineer used the TDR to identify faults in the telecommunications cables during the routine inspection.

  • The new TDR device helped the team successfully analyze the integrity of the cable system over long distances.

Surface Forms

TDR singular
TDRs plural

Etymology

TDR stands for time-domain reflectometry, a method that sends a short pulse down a cable and listens for the 'echo' to find breaks. So a TDR works like a sonar for wires and can show exactly where a fault is.