FB47 Cable Fault Tester

It integrates fault location, path detection, high-voltage signal generation, and precise location for resolving various faults on power cables up to 35kV.

Highlights

Three-Level Pulse Ranging: Automatically determines fault distance with clear waveforms; suitable for high-resistance and flashover faults.
Path Tracking & Depth Measurement: Supports live/de-energized cable path finding, depth measurement, and sheath fault detection.
Acoustic-Magnetic Synchronous Pinpointing: Features noise suppression, distance display, and directional indicators for noisy environments.
Integrated HV Signal Generator: Offers DC, single pulse, and periodic pulse modes with safe, insulated design and easy wiring.

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Specifications

Ranging Host	200MHz sampling rate, >64km range, 0.1m accuracy
Path Detector	31 frequency options, depth measurement 0 to 20m,±5% accuracy (within 3m)
Fault Locator	Acoustic-magnetic sync, 4.3-inch OLED, BNR noise reduction
High Voltage Generator	Output 0 to 32KV, discharge energy >2000J, cycle 5 to 30s adjustable

Use Cases

Urban distribution network cable fault detection
Power maintenance in railways, tunnels, and industrial plants
Substation and distribution room cable inspection
Cable laying project acceptance and maintenance

Real Experiences with TFN Testers

Robert K.

“This device is incredibly versatile — it measures cable length, fault location, short circuits, and even the cable route and leakage points. It’s very precise and reliable, making troubleshooting much faster and easier”

Sarah L.

“I really like how easy it is to use. The results are accurate and consistent, and it helped us locate faults much faster than before. A great tool for everyday maintenance work.”

FAQs

What is the typical delivery time?

Delivery time depends on the complexity of the product and the current order status.

Standard models are usually in stock and can be shipped within 3-7 business days after receiving payment.

Custom/high-configuration models may require 2-6 weeks for production and testing.

The exact delivery time will be confirmed in writing by your sales manager after you place your order.

Is there a minimum order quantity for your product?

To ensure production efficiency and provide the most competitive pricing for our customers, we typically have a minimum order quantity for our standard products.

For most communication test instruments, the minimum order quantity is 1 unit.

For supporting tools and accessories, higher minimum order quantities may apply.

If you have special requirements, please contact our sales team directly to discuss.

Is product operation training provided after purchase?

Yes. We understand the importance of proper operation of professional instruments.

Basic Training: We provide a detailed English operating manual.

Online Remote Training: We can provide real-time online operation training and Q&A for you and your team via video conferencing software (such as Zoom and Teams).

On-site Training: Based on project requirements, we can arrange for our engineers to conduct in-depth on-site training (travel expenses are subject to negotiation).

Training content can be customized to your specific application scenario.