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Triplett TDR100 Cable Length Tester TDR Meter Kit
Triplett TDR100 Cable Length Tester

Triplett TDR100 Cable Length Tester TDR Meter Kit

Part Number: TDR100
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The Triplett TDR100 is an accurate cable tester that uses TDR (Time Domain Reflectometer) technology to measure cable length. The TDR100 cable length tester can be used for any cable consisting of 2 insulated metallic elements, one of which may be the sheath or shield of the cable.
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Triplett TDR100 Cable Length Tester TDR Meter Kit


The Triplett TDR100 is an accurate cable tester that uses TDR (Time Domain Reflectometer) technology to measure cable length. The TDR100 cable length tester can be used for any cable consisting of 2 insulated metallic elements, one of which may be the sheath or shield of the cable. The meter supports both BNC and RJ45 connections.

Key Features


  • Uses Time Domain Reflectometer (TDR) technology for accurate cable length measurement
  • BNC and RJ45 input connectors
  • Auto-zero and auto-range
  • Easy-to-use onscreen menu
  • 20 built-in groups of standard cable V.O.P. (velocity of propagation) values
  • 99 memory locations slots for individual cables
  • 2.4 TFT color display
  • Auto-sensitivity provides a closer match to a wide range of cables with only the V.O.P. settings required

Overview


TDR analysis occurs when an energy pulse is propagated into the cable and the energy reflected back is observed and measured. The TDR100 tester evaluates the return data and provides an accurate measurement of the cable length.

The Triplett wire length meter is equipped with a 2.4” TFT color screen on which the readings are displayed. The cable length measurement meter can be used on power, telephone, CAT V and LAN cables, and it automatically adjusts to the cable type detected. In addition, a technician is also able to use the function selection keys to more accurately match the cable being tested.

The TDR100 cable length tester includes a built-in library of 20 standard cable types. The tester also has an additional 99 memory locations to store custom cable types to suit their specific work environments. Setting up and using the meter is made simple through the user-friendly onscreen menu which allows a service technician to adjust the settings, choose which cable type is being measured and so forth. Cable length measurement can be set to either meter or feet.

Testers using TDR are extremely accurate instruments, however, variables in the cable itself can cause errors in the distance measurements. One way to minimize error is to use the correct Velocity of Propagation (V.O.P.) of the cable. The V.O.P. is a specification of the speed at which a signal travels through the cable. Different cables have different V.O.P.s and by entering the correct V.O.P., the instrument is calibrated to that particular cable. Typically, the V.O.P. of the cable will be listed in the cable manufacturer’s catalog or specification sheet.

The length of cable that can be measured by the Triplett TDR100 starts at 5 meters (about 16 feet) and the maximum length depends on the V.O.P. of the cable being tested. It can be as long as 3 km (1.86 miles) where the V.O.P. is 99%, while for a V.O.P. of 50% or lower, a range of about 1.5 km (.93 miles) is possible.

The cable length tester also supports auto power off after a user-determined period of inactivity in order to save battery power. The TDR100 is powered by 2 AA batteries. When the battery symbol turns red, the user should replace the batteries, or the accuracy of the measurements could be affected.

What’s in the Box?


  • TDR100 cable length tester
  • 2 AA batteries
  • BNC (M) connector to standard test leads
  • BNC (M) connector to alligator clips
  • BNC (M) connector to (M) F connector
  • Carrying case
  • User manual
  • 1 year warranty

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