CableTool High Resolution Cable Meter CT50H

Highest Resolution Handheld TDR Available

The New CableTool CT50HR uses upgraded TDR technology to locate opens or shorts on metallic cables within inches of a fault.
The CableTool model CT50HR provides contractors, CATV, wire harness installers, or anyone involved in the installation or maintenance of metallic cables with the capability to quickly find faults in cables up to a distance of 250 feet.
Using TDR technology, the CableTool diagnoses cable faults with no launch or dead zone and an accuracy to ±2%.
The CableTool CT50HR will also inject a tracing tone onto the conductors to trace cables with a standard tone probe.
(A kit version, the model CTK5015HR includes the model CT15 tone probe).
The universal banana jack test lead connectors allow for a wide range of adapters for any connector type. In addition, a BNC and F adapter are included. A carrying case and 4 "AA" batteries included.


  • Pinpoint Cable Damage with Incredible 1.2” Resolution (to 250 feet)
  • Ideal for Precisely Locating Faults in Wire Harnesses; Cable Assemblies
  • No Dead Zone Finds Close-in Faults
  • Measure Voltage to Identify Live Circuits
  • Extensive Built-in Library of Cable Types
  • Transmit Tone Signals for Tracing Hidden Cable Runs
  • Displays Length in Feet or Meters


Why CableTool

Cables can be damaged during or after installation. Typically the damaged section is hidden from view behind walls, above ceilings or buried underground. The CABLETOOL uses TDR (Time Domain Reflectometry) technology to quickly identify an open or a short and provide the distance to the problem location. Additionally, the tone generator feature works with standard tone probes so that the exact cable
path can be traced.

The CABLETOOL makes it easy for installers to know the amount of cable remaining on a spool or in a box before pulling a run. When multiple runs are being installed in the same area, the first run can be
measured to accurately determine the total amount of cable required to complete the job. Checking cable inventory prior to starting a job eliminates unplanned trips to buy more cable.

The CABLETOOL is simple to operate. After turning the unit on, a cable can be measured or toned with a single push of a button. The full graphics display provides all the cable and measurement information
together on one screen. The built-in library of over sixty cable types makes finding the correct cable information easy. The standard banana jack connectors means that different test leads and adapters are available from many vendors.

Telephone and CATV companies have used TDRs to find cable problems for over thirty years. Until recently, this type of tool cost thousands of dollars. Advances in technology have allowed the CABLETOOL to provide the capabilities of previous TDRs at a fraction of the price.