5kV Digital Electric Bridge Cable Fault Tester High Voltage Cable Fault Locator
The ST-330C Digital Electric Bridge Cable Fault Tester is a specialized instrument for measuring and analyzing power cable status and fault distance. It integrates modern electronic technology with computer systems to perform signal filtering, data acquisition, processing, graphic display, and analysis for comprehensive cable speed measurement, length testing, and fault distance detection.
This advanced cable fault locator features 12.1-inch industrial-grade computer control with Windows operating system and touch operation interface. The ultra-high brightness LCD screen provides user-friendly display, while automatic continuous sampling ensures real-time, accurate waveform acquisition.
Key Features & Capabilities
- Automatic display of reflected signals with simultaneous full-length waveform display for cable open circuits
- Automatic calculation and display of fault distance
- Massive test waveform storage capability for organized field test data retention and recall
- Standard printer USB interface for documentation
- Simple operation with high reliability and excellent cost performance
- Built-in polymer lithium battery for testing cable open circuit and low resistance short circuit faults in power-free environments
Technical Specifications
| Parameter Category | English Description | Specific Details |
|---|
| Distance Measurement | Distance Measurement Range | 4 m ~ 40 km |
| Pulse Characteristics | Pulse Amplitude | ≥ 250 V (at 50 Ω) |
| System Performance | Sampling Method | Current Sampling Method |
| Power Supply | Power Supply Type | Mains power or built-in polymer rechargeable battery |
| Environmental Adaptability | Operating Temperature | -10℃ ~ 50℃ |
About Sansion Power Electric

Sansion Power Electric Co., Ltd was established in 2005, with over 10 years of experience in R&D, manufacturing, and marketing of power electrical testing products. Our solutions are widely used in power electric, railroad, energy conservation, environment protection, water conservancy, petrochemical industry, aerospace, and related fields.
Main Products
HV Hipot Test Set System, Transformer Test Equipment, HV Switchgear Test Set, Relay Protection Tester, CT/PT Tester, SF6/Oil Tester, Transmission Line Test System, Insulation Resistance Tester, Earth Resistance Tester

Quality Certifications
Sansion Power Electric maintains comprehensive facilities including R&D department, instruments manufacturing workshop, HV workshop, sample exhibition room, HV testing laboratory, quality control department, and sales departments. With over 60 employees including 20 technical engineers, we have obtained ISO9001 quality system certification and all products strictly conform to international IEC or Chinese state standards.

Customer Visit & Manufacturing
From order placement, we typically require 3-7 working days for manufacturing. Located in Wuhan City, China, Sansion Power facilitates easy shipping by air or ocean. We also provide OEM services according to your customized requirements and look forward to cooperating with clients worldwide.

Frequently Asked Questions
Q1: Is your company a sales company or a manufacturer?
A: Sansion Power Electric Co., Ltd. is an industrial and trade enterprise with its own factory, self-produced and self-sold. Founded in 2005, we have twenty years of production experience with reliable production lines, test rooms, and R&D centers.
Q2: Whether the goods are in stock, whether they can be customized, and how long the delivery time is?
A: After ordering, we can customize products according to special requirements using the latest technology. Delivery time is typically within 10 working days under normal circumstances.
Q3: Is the quality guaranteed?
A: We ensure quality by using imported components extensively. Products undergo three quality inspections before shipment and are packed in non-fumigation wooden boxes for export.
Q4: What are the after-sales terms?
A: We offer free consulting service, one year warranty, and multiple support methods including email communication, video calls, and technical support to resolve after-sales problems promptly.
Q5: What are the cooperative countries or regions?
A: Our products have been successfully exported to the United States, France, Brazil, Australia, Spain, Portugal, Oman, Russia, the Netherlands, Indonesia, Bangladesh, Saudi Arabia, Chile, Colombia, Panama, Malaysia, and other countries and regions.