This device uses the acoustic-magnetic synchronization method to accurately determine the fault location. It is a very accurate and unique location method. Its principle is based on the traditional acoustic point determination method and adds the detection and application of electromagnetic signals.

When the high-voltage generator performs impact discharge on the faulty cable , the sound generated by the discharge at the fault point is transmitted to the ground. The sound signal is picked up by a highly sensitive probe . After amplification, a "pop" sound can be heard by listening with headphones.

The built-in probe of the probe receives the magnetic field signal in real time, and uses the principle that the propagation speed of the magnetic field is much higher than the propagation speed of sound to determine the distance of the fault point by detecting the time difference between the electromagnetic signal and the sound signal. Keep moving the sensor position to find the point with the smallest acoustic-magnetic time difference, then the exact location of the fault point will be below it.

Traditional acoustic measurement legal point instruments generally only use earphones to monitor, or are supplemented by the swing of the meter pointer to identify the discharge sound at the fault point. Since the discharge sound disappears in an instant and is not much different from the ambient noise, it often brings great difficulties to operators who are not very experienced. The acoustic-magnetic synchronization method effectively avoids the above problems of the traditional acoustic measurement method.

Principle block diagram of acoustic and magnetic synchronized point instrument

Composition of the instrument

1. Cable fault locator: accurately locate cable fault points within the rough measurement range.

2. Probe: including probe, probe, connecting rod , and three claws , which are connected to the input channel to receive signals.

3. Wear headphones; connect the input channel of the pointing instrument (feedback of the output signal).

4. 7-core signal cable: connecting cable between the pointing instrument and the probe (connecting the pointing instrument and the probe).

5. Charger: Connect to the charging socket of the instrument for charging.

6. Multifunctional flower wrench: used for disassembling and assembling connecting rods.

After-sales Service and Packing List

Within one year from the date of purchase, the instrument will be covered by a free warranty for product quality issues, and maintenance and technical services will be provided for life. If you find that the instrument is in abnormal condition or has a fault, please contact us so that we can arrange the most convenient and effective solution for you .