Product Overview
The reliable operation of communication and power transmission systems depends entirely on the integrity of cable circuits. Once a circuit failure occurs, failure to conduct timely and accurate fault diagnosis and repair will inevitably lead to significant economic losses and adverse social impacts. Therefore, electric fault measuring and testing instruments play a vital role in maintaining system stability.
The Intelligent Cable Fault Tester employs multiple testing methodologies, integrates the most advanced electronic components, and utilizes cutting-edge computer and specialized electronic technologies. Building upon our company's extensive experience in the research and development of cable fault testing instruments, this device represents a highly technological, intelligent, and feature-rich solution.
As a fully integrated testing system, our cable fault detector is capable of identifying a wide range of faults, including:
High-resistance flashover faults
High- and low-resistance grounding faults
Short circuits, open circuits, and poor contact
When used in conjunction with acoustic or electromagnetic locating instruments, it can accurately pinpoint the exact fault location. This instrument is especially suitable for testing various types of power cables and communication cables.
technische Parameter
| The longest testing distance | 15km (100km for the open-wire line) |
| Testing .dead zone | 1 m |
| Resolution of reading | 1 m |
| Power dissipation | 5VA |
| Umgebungstemperatur | 0℃~+40℃ |
| terminal temperature | -10℃~+50℃ |
| relative humility | 20-90%RH |
| Abmessungen | 275×220×160mm3 |
| Weigh | 1.8kg |
Pathfinders
| Betriebsmodus | Ausgang – intermittierendes Rechteckwellensignal mit fester Frequenz |
| Ausgangsleistung | Pomax≥100W |
| Ausgangsimpedanz | 1Ω-∞ |
| Ausgangssignalfrequenz | 16kHz |
| Ausgangssignalamplitude | 15V-340V |
| Stromversorgung des Pathfinder-Senders | AC220V±10℅ |
Fault locator
| Grober Messfehler | Weniger als 10% |
| Festkommafehler | <±10cm |
| Verstärkung des elektromagnetischen Kanals | >110 dB (300.000 Mal) |
| Empfindlichkeit des elektromagnetischen Kanalempfängers | <5μV |
| Verstärkung des Tonkanal-Audioverstärkers | <120dB (1 million times when the signal-to-noise ratio is 4:1) |
| 50-Hz-Netzfrequenzunterdrückung | >40dB (100-mal) |
| Energieverbrauch | <120mA (0.7W) |
| Erkennung vergrabener Tiefen | ≦3m |
