Rugged Cable Fault Pinpointer with BNR Noise Reduction | XHDD503C+
Product Overview
The XHDD503C+ is a professional-grade acoustic-magnetic cable fault pinpointer engineered for demanding all-weather field operations. Building on the XHDD503C+ platform, the Pro variant emphasizes superior noise immunity, extended battery endurance, and ruggedized construction for harsh outdoor environments including mining sites, offshore platforms, and extreme climate regions.
Featuring advanced BNR background noise reduction with mute noise suppression, fifth-order superposition filtering, and four selectable filter modes, the XHDD503C+ excels in high-interference environments where ambient electrical noise, traffic vibration, and industrial machinery would typically compromise measurement accuracy. The fully digital probe with multi-layer physical isolation sensors ensures consistent IP65-rated performance in wet, dusty, and high-humidity conditions.
Compliant with DL/T 849.2-2019 and GB/T 18268.1, the XHDD503C+ is the preferred choice for utility maintenance crews, mining electricians, railway signal teams, and industrial field service engineers who require reliable pinpoint accuracy with minimal downtime.
Key Features
Advanced BNR background noise reduction with mute noise suppression for high-interference environments
Acoustic-magnetic synchronous positioning with automatic time difference calculation
1.5-inch sunlight-readable touchscreen LCD (480x850, 350 nits)
Four configurable filter modes: Full Pass, Band Pass, Low Pass, High Pass
Fifth-order superposition filtering for maximum signal clarity in electrically noisy sites
Automatic and manual gain/trigger control for acoustic and magnetic channels
Path deviation indication and approaching fault point alert system
Fully digital, highly sensitive, noise-resistant probe with IP65 multi-layer isolation
Extended battery life with fast charging capability
Ruggedized case for mining, offshore, and extreme climate deployment
Technical Specifications
| Positioning Method |
Acoustic-Magnetic Synchronization with Digital Signal Processing |
| Detection Accuracy |
Positioning: ≤ 0.1 m; Path: ≤ 0.5 m |
| Detection Range |
0.00 - 99.99 ms |
| Noise Reduction |
BNR Background Noise Reduction + Mute Noise Suppression |
| Filter Modes |
Full Pass (100Hz-1600Hz), Band Pass (200Hz-600Hz), Low Pass (100Hz-300Hz), High Pass (160Hz-1600Hz) |
| Filtering Method |
Fifth-Order Superposition Filter |
| Channel Gain |
8 Levels (Sound & Magnetic); Trigger Threshold 0-99 Levels |
| Sound Output |
16 Levels Gain (0-112 dB), 350Ω Impedance |
| Display |
1.5-inch Touchscreen LCD, 480x850, 350 nits |
| Waterproof Rating |
IP65 (Multi-Layer Physical Isolation Sensors) |
| Power Supply |
3.7V 3200mAh 18650 Battery x4 |
| Standby Time |
> 8 Hours (Field-Ready) |
| Operating Temperature |
-25°C to 65°C; RH ≤ 90% |
Frequently Asked Questions
Q1: What makes BNR noise reduction essential for professional field operations?
BNR (Background Noise Reduction) actively filters out persistent ambient interference such as traffic rumble, industrial machinery vibration, wind noise, and electrical hum from nearby power lines. Combined with mute noise suppression, it allows the XHDD503C+ to isolate the distinct "pop" of the fault discharge even in environments where standard pinpointers would fail to produce usable readings.
Q2: Can the XHDD503C+ operate reliably in mining environments?
Yes. The XHDD503C+ is specifically ruggedized for mining applications. The IP65-rated enclosure protects against coal dust, mineral slurry, and water spray. The reinforced probe cable and shock-resistant main unit housing withstand the vibration and mechanical stress common in open-pit and underground mining operations. Operating temperature range of -25°C to 65°C covers most mining climate conditions.
Q3: Is the XHDD503C+ suitable for offshore and marine cable testing?
The multi-layer physical isolation sensors and IP65 waterproof rating make the XHDD503C+ suitable for offshore platform, wind farm submarine cable landing point, and harbor cable testing. The BNR technology is particularly valuable in these environments where wave action, generator noise, and metal structure vibration create continuous background interference.
Q4: How does fifth-order superposition filtering differ from standard filtering?
Fifth-order superposition filtering applies five cascaded filtering stages to the acoustic signal, providing significantly steeper roll-off than simpler first or second-order filters. This means sharper separation between the target discharge sound and background noise, resulting in cleaner time-difference measurements and more reliable fault distance calculations in electrically noisy industrial environments.
Q5: What is the minimum order quantity and delivery time?
The minimum order quantity is 1 unit with standard delivery in 5-8 working days. Each unit is securely packed in a wooden case. Volume orders may qualify for priority production scheduling and discounted pricing. Contact XZH TEST sales for a customized quote based on your project requirements.
Q6: How does the approaching fault point alert system work?
As the operator moves the probe along the cable route, the instrument continuously monitors acoustic-magnetic time difference values. When four consecutive data sets register below 30ms, the display indicates that the probe is approaching the fault point. The path deviation indicator also shows whether the probe is to the left or right of the cable centerline, guiding precise alignment.
Q7: Can the instrument store and export test data?
The XHDD503C+ displays the four most recent acoustic-magnetic time difference measurement sets directly on the touchscreen for real-time comparison. For extended data logging and report generation needs, please consult XZH TEST about available data management accessories and software options compatible with the XHDD503C series.
Q8: What training or technical support is provided?
Comprehensive English user manuals with step-by-step operating procedures are included. Remote technical support via email and video call is available for troubleshooting and operational guidance. On-site commissioning, classroom training, and field demonstration programs can be arranged for bulk orders or long-term partnership agreements.
Q9: How does the instrument perform in extreme cold or heat?
The XHDD503C+ is rated for continuous operation from -25°C to 65°C with relative humidity up to 90%. The lithium battery pack maintains stable discharge characteristics across this range. For operations below -25°C, brief warm-up in a heated vehicle cabin before deployment is recommended to optimize touchscreen responsiveness and battery efficiency.
Q10: What is the difference between XHDD503C+ and XHDD503C+?
The XHDD503C+ builds on the standard XHDD503C+ with enhanced BNR noise reduction, mute noise suppression, ruggedized casing for extreme environments, and an approaching fault point alert system. Both models share the same core acoustic-magnetic synchronization technology, 0.1m accuracy, IP65 rating, filter modes, and display specifications. Choose the Pro for mining, offshore, and high-interference industrial sites; choose the standard for general utility and contractor applications.
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