TDR Cable Fault Locators

TDR (time-domain reflectometer) cable fault locators are electronic instruments that locate faults in metallic cables (such as a twisted wire). They use time-domain reflectometry (reflection of sound waves) to detect issues in cables. TDR cable fault locators are commonly used to locate issues in a connector, printed circuit board, or other electrical paths.

How do TDR cable fault locators work?

TDR cable fault locators work by measuring the reflection of waves along a conductor. In order to measure the reflections, the TDR will transmit a signal to the conductor and listen for any reflected sound waves as they return. If the conductor is operating correctly there will be no reflection displayed on the screen of the cable fault locator and the incident signal of the cable will be discharged. If there are reflections present, then the signal will be reflected back to the TDR fault locator and diagnosed for errors that will be displayed on the screen.

When are TDR cable fault locators used?

TDR cable fault locators are commonly used for in-place testing of very long cable, where the length of cable to be tested makes them impractical to remove.

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Part Details Maximum Range Stock Resolution Cable Type Maximum Pulse Width Minimum Pulse Width Output Impedance Velocity Factor/Propagation Velocity Battery Life Battery Type Model Number p Height Dimensions Width Length Minimum Operating Temperature Weight Maximum Operating Temperature
Megger TDR2000/3 TDR Cable Fault Locator, 20000m, USB Interface 20000m 0 1 % Paired Metallic Cable 2ns - 125Ω 0.2 → 0.99 12 h Li-Ion TDR2000/3 55mm 290 x 190 x 55mm 190mm 290mm -15°C 1.7kg +50°C
Megger TDR2000/3P TDR Cable Fault Locator, 20000m, USB Interface 20000m 0 1 % Paired Metallic Cable 2ns - 125Ω 0.2 → 0.99 12 h Li-Ion TDR2000/3P 55mm 290 x 190 x 55mm 190mm 290mm -15°C 1.7kg +50°C
Megger TDR500/3 TDR Cable Fault Locator, 5000m 5000m 20 1 % Metallic Cable Pair 2ns 4000ns 25 Ω, 50 Ω, 75 Ω, 100 Ω 0.99 14 h AA TDR500/3 230mm 115 x 48 x 230mm 48mm 115mm 15°C 600g +50°C
Megger TDR900 TDR Cable Fault Locator, 3.7km 3.7km 10 50 cm CATV Cable, LAN Cable, Power Cable, Telephone Cable 1100Hz 910Hz 100 Ω, 125 Ω, 150 Ω, 25 Ω, 50 Ω, 75 Ω 99.9% 5000 tests AA TDR900 235mm 100 x 44 x 235mm 44mm 100mm -18°C 450g +60°C
Megger TDR1000/3P TDR Cable Fault Locator, 5000m 5000m 8 1 % Metallic Cable Pair 2ns 4000ns 100 Ω, 25 Ω, 50 Ω, 75 Ω 0.99 14 h AA TDR1000/3P 230mm 115 x 48 x 230mm 48mm 115mm -15°C 600g +50°C
Megger TDR2000/3 EU TDR Cable Fault Locator, 20000m, USB Interface 20000m 4 1 % Metallic Cable Pair 2ns - 100 Ω, 125 Ω, 25 Ω, 50 Ω, 75 Ω 0.99 12 h Rechargeable Li-ion TDR2000/3 EU 190mm 290 x 55 x 190mm 55mm 290mm -15°C 1.7kg +50°C
Megger TDR1000/3 TDR Cable Fault Locator, 5000m 5000m 0 1 % Metallic Cable Pair 2ns 4000ns 100 Ω, 25 Ω, 50 Ω, 75 Ω 0.99 14 h AA TDR1000/3 230mm 115 x 48 x 230mm 48mm 115mm -15°C 600g +50°C
Megger TDR2010 TDR Cable Fault Locator, 20000m 20000m 0 1 % Paired Metallic Cable 2ns - 25 Ω, 50 Ω, 75 Ω, 100 Ω, 125 Ω 0.2 → 0.99 12 h Rechargeable Li-ion TDR2010 55mm 290 x 190 x 55mm 190mm 290mm -15°C 1.7kg +50°C
Megger TDR2050 TDR Cable Fault Locator, 20000m 20000m 0 1 % Paired Metallic Cable 2ns - 25 Ω, 50 Ω, 75 Ω, 100 Ω, 125 Ω, 140 Ω 0.2 → 0.99 12 h Rechargeable Li-ion TDR2050 55mm 290 x 190 x 55mm 190mm 290mm -15°C 1.7kg +50°C
Megger TDR2050 TDR Cable Fault Locator, 20000m 20000m 0 1 % Paired Metallic Cable 2ns - 25 Ω, 50 Ω, 75 Ω, 100 Ω, 125 Ω, 140 Ω 0.2 → 0.99 12 h Rechargeable Li-ion TDR2050 55mm 290 x 190 x 55mm 190mm 290mm -15°C 1.7kg +50°C
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