Cable Fault Locator

ST612 takes the time domain reflector meter (TDR) for measuring the exact fault location such as the broken line, cross faults, earthing, poor insulation and poor contact of the lead covered cables as well as plastic cables.

Product Details


As you set proper wave velocity, just press Auto key, you will get the test result within 2 seconds.

It is an effective tool to reduce troubleshooting time, improve work efficiency and reduce labor intensity of line maintenance staff. It also can be used in line projects acceptance and inspection of electrical cables

Key Features

◆ Fast Test Speed and Accurate Test Distance

◆ Portable and Easy to Carry

◆ Large Colorful LCD Display


◆ No test dead zone.

◆ Fast test speed and accurate test distance.

◆ Testing and locating cable faults: Broken cables cross faults, lateral, wrong twisted pitch of cables, Mix, Insulation and etc.

◆ Covered by rubber for protection.

◆ High voltage protection on line: test without power, high voltage protection can reach to 250V.

◆ Water and dust proof: IP54.

◆ Automatic power shut down: Press On Off or after 5 to 10 minutes or optional minute setting without using meter device.

◆ Testing range: standard is 8km, 4km is optional.

◆ Testing accuracy: Up to 1%.

◆ Spare parts for replacement: 5 years.

◆ Portable and easy to carry.

◆ Large colorful LCD display.

◆ humanized operation interface; six function keys can do all the tests.

◆ High-energy Li battery, continuous work 10 hours.

◆ Language: English.

Shipping & Packing

Supplied complete with:

◆ Carry case.

◆ Re-chargeable battery and charger/adapter.

◆ Test Line

◆ User Manual

◆ CD (Just for USB function)

◆ U-disk (Just for USB function)