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Cable Fault Pinpointer Engineering Consulting Lab Electronic Flashover Detection with 0.1m Accuracy CE|XHDD503C

Name: Cable Fault Pinpointer Engineering Consulting Lab Electronic Flashover Detection with 0.1m Accuracy CE|XHDD503C
Brand: Xi'an Xu&Hui Electromechanical Technology Co., Ltd.
SKU: XHDD503C
Price: 4,175.00 USD
Availability: InStock

Product Details:

Place of Origin:	China
Brand Name:	XZH TEST
Certification:	CE ISO
Model Number:	XHDD503C

Detail Information

Place of Origin:

China

Brand Name:

XZH TEST

Certification:

CE ISO

Model Number:

XHDD503C

Product Name:

Cable Fault Locator

Application:

Widely

Channel Gain:

8 Adjustable

Magnetic Channel Gain:

8 Adjustable

Output Gain:

Output Gain

Output Impedance:

350Ω

Highlight:

High Light

Highlight:

Engineering Consulting Cable Fault Pinpointer

Electronic Flashover Detection 0.1m Accuracy

Third Party Lab Cable Test Equipment

Trading Information

Minimum Order Quantity:

1 set

Price:

Negotiable

Packaging Details:

wooden packaging

Delivery Time:

5-8 work days

Payment Terms:

T/T

Supply Ability:

2000unit/year

Product Description

XHDD503C Precision Cable Fault Pinpointer

Instrumentation for Engineering Consulting Firms & Accredited Testing Laboratories

When an engineering consulting firm delivers a cable fault investigation report, the findings must withstand scrutiny — from insurance adjusters, litigation attorneys, asset owners, and regulatory bodies. The XHDD503C Cable Fault Pinpointer is the instrument trusted by testing laboratories and forensic engineering practices that require documented, repeatable, and defensible fault location data. With electronic flashover detection, acoustic-magnetic synchronization, and ≤0.1m pinpoint accuracy calibrated to DL/T 849.2-2019, this instrument provides the evidentiary-grade precision that professional consulting engagements demand.

📐 Calibrated Precision ≤0.1m acoustic-magnetic accuracy traceable to DL/T 849.2-2019 — data that holds up in technical reports and expert testimony

📋 Documented Methodology 4 standardized detection modes with repeatable parameters — consistent results across different operators and job sites

🔬 Electronic Flashover Detection Captures and analyzes discharge signatures for high-resistance and flashover faults — essential for forensic investigations

📊 Audit-Ready Output Real-time waveform display and magnetic field direction data — exportable evidence for client deliverables

Why Testing Laboratories and Consulting Engineers Select the XHDD503C

Consulting Requirement	XHDD503C Capability
Produce defensible fault location reports	Acoustic-magnetic time-difference measurement with ≤0.1m accuracy — pinpoint coordinates ready for excavation work orders and as-built documentation
Investigate complex flashover failures	Electronic flashover detection captures transient discharge events — reconstruct fault sequences for root cause analysis reports
Apply consistent methodology across projects	4 detection modes (Acoustic-Magnetic Sync, Pure Acoustic, Pure Magnetic, Step Voltage) with preset parameters — standardized SOPs for every fault type
Work in uncontrolled field environments	BNR background noise reduction + multi-band filtering (100Hz–1600Hz) + 16-level gain (0–112dB) — isolates fault signal in noisy urban and industrial settings
Serve diverse client mandates	Effective on power, coaxial, street light, and buried cables of any cross-section or insulation medium — one instrument serves utility, industrial, and infrastructure clients
Maintain instrument calibration records	Conforms to GB/T 18268.1 for industrial site test equipment — supports ISO 17025 laboratory quality management requirements

Detection Methodology

🔊 Acoustic-Magnetic Synchronization Primary method. Electromagnetic signal arrival time compared against acoustic signal — time-difference algorithm determines fault depth and offset with ≤0.1m precision. Preferred method for reportable fault location.

⚡ Electronic Flashover Detection Captures high-voltage pulse discharge signatures at the fault point. Essential for high-resistance and flashover faults where traditional acoustic methods are insufficient.

🧲 Magnetic Field Path Tracing Induction coil tracking of pulse signals along the cable route. Detects path deviation at fault points and maps undocumented cable routes for as-built verification.

📐 Step Voltage Gradient Analysis Potential difference measurement between ground probes. ≤0.5m accuracy for sheath damage and earth faults. Standard method for buried cable ground fault investigation.

📋 Designed for Professional Practice: The XHDD503C supports the full consulting workflow — from initial fault type classification and method selection through field data acquisition to report-ready results. Standardized detection parameters ensure consistency when multiple engineers work on the same project. Results are repeatable, traceable, and suitable for inclusion in expert reports, insurance claims documentation, and litigation support materials.

Technical Specifications

Filter Modes

All-pass 100Hz–1600Hz, Low-pass 100–300Hz, High-pass 160–1600Hz, Band-pass 200–600Hz

Channel Gain

Acoustic / Magnetic / Step Voltage — 8 levels each

Output Gain

16 levels (0–112dB)

Output Impedance

350Ω

Acoustic-Magnetic Accuracy

≤ 0.1m

Step Voltage Accuracy

≤ 0.5m

Path Identification Accuracy

≤ 0.5m

Display

5-inch touch LCD, sunlight viewable

Detection Modes

Acoustic-Magnetic Sync, Pure Acoustic, Pure Magnetic, Step Voltage

Noise Reduction

BNR + Mute functions

Power Supply

4*18650 lithium batteries, 8h+ runtime

IP Rating

IP65 — dust-tight, water jet protected

Weight

7 kg

Dimensions

428L * 350W * 230H mm

Operating Temperature

-25°C ~ +65°C, ≤90% RH

Conformity Standards

DL/T 849.2-2019, GB/T 18268.1

Consulting Practice Areas Served

Forensic Engineering Cable Failure Analysis Insurance Loss Adjustment Power System Consulting Asset Condition Assessment Third-Party Testing Labs Litigation Support Grid Reliability Audits Pre-Purchase Due Diligence

📦 Complete Instrument Kit: XHDD503C Main Unit, Acoustic-Magnetic Probe, A-Frame Assembly, Headphones, Fast Charger, 4*18650 Batteries, Connection Cables, Transport Case, User Manual, Calibration Certificate.

Frequently Asked Questions

Q: What is acoustic-magnetic synchronization and why is it important?

Acoustic-Magnetic Synchronization (AMS) measures both the sound wave (acoustic) and electromagnetic pulse (magnetic) generated during HV discharge at the fault point. Since sound travels slower than the electromagnetic wave, the time difference between the two signals confirms you are directly above the fault. This dual-channel verification eliminates false positives from ambient noise.

Q: What is the pinpointing accuracy for excavation?

The XHDD503C achieves 0.1m (10cm) pinpointing accuracy under normal soil conditions. This means the excavation zone can be limited to approximately 30-50cm diameter, dramatically reducing digging time and surface restoration costs compared to trial trenching over several meters.

Q: How do you use the pinpointer after TDR pre-location?

After the TDR provides the fault distance (e.g., 317m), use a cable route tracer to mark the cable path above ground. Walk the pinpointer along this path near the TDR-indicated distance. As you approach the fault, the acoustic signal becomes louder and the magnetic time-difference reading decreases. The strongest acoustic signal combined with the minimum time difference marks the exact fault location.

Q: Can the XHDD503C work with different types of HV generators?

Yes. The XHDD503C is compatible with any high-voltage surge generator that produces periodic discharge pulses. It works with both integrated systems (e.g., XHHV535-4TSB) and traditional test transformer + capacitor configurations. The pinpointer detects the acoustic and magnetic signals generated by the HV discharge regardless of the source equipment.

Q: What affects pinpointing depth and how can I maximize it?

Pinpointing depth depends on HV discharge energy at the fault point, soil composition (sand attenuates more than clay), and background noise levels. To maximize depth: use the highest safe discharge voltage, ensure the fault point is fully broken down (low-resistance channel), and conduct pinpointing during quieter periods (early morning or night) in high-noise urban areas.

Q: What warranty and support is provided?

12-month warranty against manufacturing defects with lifetime technical support. Package includes pinpointer unit, headphones, ground sensor, carrying case, charger, and user manual. CE and ISO certified. Extended warranty and on-site training available.

Ratings & Review

Overall Rating

4.0

Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings

5 stars

50%

4 stars

3 stars

50%

2 stars

1 stars

All Reviews

João Carlos Ferreira

Brazil Mar 24.2026

Helpful (1)

The XHGX507 is a reliable cable testing solution with accurate results and stable performance. It has helped our team locate cable issues faster and improve maintenance efficiency. The only areas that could be improved are the learning curve for new operators and adding more language options for international users. After proper training, the equipment is easy to use and performs very well in field applications

Rajesh Kumar Sharma

India Mar 18.2026

Helpful (3)

We have been using the XHDD503 for cable fault detection and maintenance work in our distribution network projects. In cities like Bengaluru, where underground cable systems are widely used in commercial and residential areas, quick fault identification is very important for reducing outage time. The XHDD503 has helped our team improve the efficiency of cable testing. The measurement results are accurate, the waveform display is clear, and it helps engineers locate fault points faster during emergency maintenance operations. We also appreciate its portable design and simple operation. Our technicians can carry the equipment easily to different job sites and complete testing work more efficiently. One area that could be improved is that new operators need some training before they can fully understand all testing functions. Also, adding more local language options would be helpful for some technicians. Overall, the XHDD503 is a reliable and cost-effective solution for cable maintena

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Underground Cable Fault Pinpointer with Acoustic-Magnetic Detection, 500000x Super Magnification, 20-Hour Continuous Operation

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Cable Fault Pinpointer Engineering Consulting Lab Electronic Flashover Detection with 0.1m Accuracy CE|XHDD503C

High Light

Highlight:

Engineering Consulting Cable Fault Pinpointer

Electronic Flashover Detection 0.1m Accuracy

Third Party Lab Cable Test Equipment

XHDD503C Precision Cable Fault Pinpointer

Why Testing Laboratories and Consulting Engineers Select the XHDD503C

Detection Methodology

Technical Specifications

Consulting Practice Areas Served

Frequently Asked Questions

Overall Rating

Rating Snapshot

All Reviews

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