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ST90 cable fault locator is designed for ease of use. It combines time domain reflectometer (TDR), pulse reflection testing for locating distance to fault upto 16 kms of faults on telecom / signalling cables, low voltage cables, ship wiring, mining cables . Fault types which can be located include open/short, cross faults, earthing and intelligent bridge testing (Bridge) for poor insulation /wet cable sections.

Automatic & Easy to use - Simply select the modes which you are going to use. Distance, VOP, Gain and Range are automatically selected and adjusted as you scan the cable. Just move the cursor to the fault to pinpoint its location.
Built in Data Storage - data transfer through built in USB port.

Product Specification

Max Range


Dead Zone




Pulse Width

Pulse s with automatic adjustment


100 ~300 m/us

Distance to fault


Pulse Test Voltage

30 V

Bridge Test Mode


Max Poor Insulation Resistance

100 MΩ

Testing Accuracy

±1%×cable length

Bridge test mode

9.999kms, Max length of testing cable

Data Storage & Transfer

Yes, with USB


Rechargeable, provided with charger


Color LCD display, 4.3"

display size


220 x 160 x 90mm


1 kg

  • Data Storage via USB
  • 16 Km Distance Range
  • Automatic Pulse Width Adjustment
  • Zero Dead Zone
  • Bridge for Low Insulation Faults
  • Locate Open, Shorts, Taps, Wet Sections, Cross & Earth
  • 4.3 inch colour LCD Display
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