According to the treatment solutions for underground cable faults, there are three methods: analysis and judgment method, using a simple grounding fault tester to test faults, and using an intelligent cable fault tester to test faults. It is very convenient and can accurately locate within one meter. There is no need to repeatedly dig up the road surface to search, saving a lot of manpower, material resources, and financial resources. It saves maintenance costs.
Product Composition
The underground cable fault tester consists of three main parts: the RT-2133 cable fault tester host, the RT-2132J cable fault locator, and the RT-2132F cable path tracer. The RT-2133 cable fault tester host is used to measure the nature of the cable fault, the total length of the tested cable, and the approximate position of the cable fault point from the test end. The RT-2132J cable fault pinpointing instrument is used to determine the precise location of the cable fault point based on the approximate position determined by the cable fault tester host. For buried cables with unknown routing, a cable path tracer is needed to determine the direction of the underground cable. If the specific direction of the underground cable is known, the cable path tracer may not be used. The RT-2133 cable fault tester host can be directly connected to a laptop computer for easy management and operation. The RT-213X complete set of cable fault testing instruments can quickly and accurately find fault points in various cables, suitable for factories, mines, enterprises, metallurgy, petrochemical systems, power plants, airports, railways, and power supply departments. The RT-213X cable fault comprehensive tester is widely used for detecting low resistance, short circuit, open circuit, and various high resistance faults in aluminum core, copper core power cables of various cross-sections below 35KV, high-frequency coaxial cables, and local telephone cables. It is an essential equipment for ensuring safe power supply and a powerful assistant for cable production and maintenance workers.
(1) Cable Fault Tester
Types of cable faults that can be tested:
For aluminum core or copper core power cables of various cross-sections, coaxial cables, and other types of cables: flashover cable faults or faults with extremely high resistance; closed cable faults or general high resistance faults; low resistance faults, short circuits, or open circuits in cables; cable length and propagation speed of electrical waves in cables. Specifications and parameters
Voltage level of testable cables: below 35KV; maximum test distance: 15Km; working limit error: ±3%; operating ambient temperature: -10～40℃; operating ambient humidity: 45～75%; working power supply: rechargeable battery; power consumption: 30W; dimensions: 230*140*270 (mm3); weight: 2 kg;
(2) Cable Fault Locator
The RT-2132J cable fault locator is equipped with first-class integrated circuits and amplifiers. The filtering device on the sound channel of the RT-2132F cable fault locator maximizes the removal of interference noise while enhancing the sound generated by the arc. The LCD screen can simultaneously display sound pulses and magnetic pulses as well as the distance from the fault point to the probe test point. This allows for joint judgment of the fault point by monitoring changes in underground sound and displayed distance.
Specifications and parameters
Can simultaneously receive sound waves and electromagnetic waves generated by the discharge at the fault point and display the distance from the probe to the fault point; display distance: maximum 22.6 meters, minimum distance 0.1 meters; power supply voltage: 9V; power consumption: 0.2W; operating temperature: -10-40℃; dimensions: locator: 180*80*70; probe: Ф85*90; weight: 1.5Kg (including probe);
(3) RT-2132F Cable Path Tracer
The RT-2132F cable path tracer is an instrument for checking the direction and burial depth of underground cables. When the cable route is unknown, it is used to find the path and depth of underground cables.
Specifications and parameters:
Test signal: sine wave, frequency 15KHz, 1KHz; output power: > 30W; output impedance: >8Ω; power supply voltage: AC 220V±10%, 50Hz±1%; operating ambient temperature: -10 - 40 ℃; dimensions: 300*250*90; weight: 1.5kg
Note: The above information and technical parameters are compiled and released by Yangzhou DARUI Electric Co., Ltd.
