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What is an underground cable fault distance locator?

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What is an underground cable fault distance locator?



What is an underground cable fault distance locator?

The underground cable fault locator is a cable fault instrument. It sends a 1 kHz electromagnetic wave signal to the underground cable through the transmitter. When the probe of the cable locator is perpendicular to the ground plane of the magnetic field line, the received signal is the smallest (almost zero). principle to determine the direction and depth of the cable.


The transmitter sends a 1 kHz electromagnetic wave signal to the underground cable. When the cable locator probe is perpendicular to the ground plane of the magnetic field line, the received signal is the smallest (almost zero) to determine the direction and depth of the cable. When the probe is parallel to the ground plane, the signal sound suddenly becomes small, which is the breaking point and short circuit point of the cable.

1. Zero value method (minimum method): When the probe is perpendicular to the ground, when the probe is directly above the cable, the received signal is the smallest (the meter indicates the smallest value). This detection method is called the zero value method.

2. Peak value method (maximum method): The probe is parallel to the ground and perpendicular to the direction of the cable. When the signal is the strongest when the cable is directly above (the meter indicates the largest value), this detection method is called the peak value method.

3. Probing depth: According to the principle of burial depth measurement, first locate the probe vertically to the ground at point A directly above the cable (mark a mark there), and then place the probe and the ground at a 45-degree inclination angle close to the ground to be perpendicular to the direction of the cable. Pan to one side, and then find the position B with the smallest sound. As can be seen from the figure, the center of the cable is O, so that ABO is an isosceles right triangle, so AB=AO, which is the depth of burial.

Anti-corrosion leak detection editing broadcast

Send a 1 kHz electromagnetic wave signal to the underground cable through the transmitter. When the underground cable breaks down, the core wire is in contact with the earth lead wrap; if an AC signal is added to the core wire or lead wrap sheath, the The formation of a current loop at the fault point will generate a leakage signal that radiates to the ground, generating a leakage electric field in the ground, and the radiation signal is the strongest directly above the leakage point. The two probes of the A-frame are used to pick up this gradient signal, and by moving A-frame to find the strongest point of the leak signal. According to this principle, the fault point of the underground cable can be accurately found.


A must-have instrument for professionals to measure the fault of underground cables:

What is an underground cable fault distance locator?

Underground Cable Tester, Wire Tester Portable Locator Wire Tracker , Detecting Wall and Underground Cables, Electrical Lines, Gas and Water Supply Pipeline Path

What is an underground cable fault distance locator?

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What is an underground cable fault distance locator?

  • Detecting cables, electrical lines-water/gas supply pipelines buried in wall or earth

  • Detecting and Locating breaks and short circuit in cables and electrical lines buried in wall or underground.

  • What is an underground cable fault distance locator?

  • Detecting the laid metal tap water pipe and metal heating pipe.

  • Detecting interruptions and short-circuits in floor heating.

  • What is an underground cable fault distance locator?

  • Detecting fuses and assigning current circuits,tracing sockets and junction boxes having accidentally been covered by plastering.

  • The transmitter is integrated with the function of AC/DC voltmeter, which can measure 12 to 400V AC/DC voltage on a linear basis.

  • Our products are included in English, if you have any difficulties in use, you can contact us to solve it.

  • What is an underground cable fault distance locator?

Brand NameLiang Fang Shen Qi
Ean0652069877675
Included ComponentsPCB
Measurement AccuracyGOOD
Measurement TypeVoltmeter
Number of Items1
Part NumberKC826
Power Source TypeGas Powered
UNSPSC Code41113600
UPC652069877675


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