XHDD503B Cable Fault Pinpointer | Underground Cable Fault Locator
Introduction
The Cable Fault Locator XHDD503B employs the acoustic and magnetic synchronization method to pinpoint the location of power cable faults. The device uses an impact discharge generator to create electronic flashovers, which are then detected and amplified by a specialized probe. The precise location of the fault is determined through auditory and visual cues.
This instrument not only completes the precise positioning of cable faults within a pre-determined range but also collects the time difference between acoustic and magnetic signals. It integrates advanced positioning technology with path-assisted testing, offering multiple test modes and a variety of informative prompts to efficiently and accurately locate cable faults.
Applications & Target Audience: Engineered for street lighting maintenance departments, telecommunication and coaxial network maintenance teams, mining and industrial plant electrical crews, and municipal utility contractors that pinpoint low-resistance, short-circuit, open-circuit, disconnection, high-resistance leakage and flashover faults in buried power and communication cables.
Product Features
Adopt acoustic-magnetic synchronous positioning technology to automatically calculate the acoustic-magnetic time difference and reduce pure dependence on sound monitoring.
The gain value and trigger value of the acoustic signal and magnetic signal can be adjusted manually to adapt to various environments.
5-inch touch-high brightness LCD ensures visibility under sunlight.
Built-in large-capacity lithium-ion battery power supply, equipped with fast charger.
Small, portable and light weight.
Technical indicators
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Acoustic-magnetic synchronous fixed-point function
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Acoustic-magnetic synchronous fixed-point function
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Sound channel
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a) Bandwidth
All pass: 100Hz~1500Hz.
Low pass: 100Hz~400Hz.
Qualcomm: 150Hz~1500Hz.
Band pass: 200Hz~600Hz.
b) Maximum signal gain: >=100dB.
c) Fixed-point accuracy: 0.1m.
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Magnetic field channel
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Maximum signal gain: >=100db
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Acoustomagnetic transit time positioning mode: waveform display, acoustic and magnetic transit time display.
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Signal gain: adjustable from 1 to 8 levels.
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Magnetic field channel: adjustable from 1 to 8 levels
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Sound signal strength bar graph indicates, and the sound trigger threshold (0 to 99 levels) is adjustable.
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The electromagnetic signal strength is indicated by a bar graph, the magnetic field trigger threshold (0 to 99 levels) is adjustable, and it has a magnetic field trigger prompt function.
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Electromagnetic signal strength bar graph indication, adjustable magnetic field trigger threshold, with magnetic field trigger prompt function.
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Acoustic-magnetic time difference positioning mode: waveform display, the maximum acoustic-magnetic time difference is 80ms, which can be automatically calculated and manually analyzed; it can record the last time acoustic-magnetic time difference.
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Power supply:
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a) Battery: built-in lithium-ion battery pack, voltage 8.4V, capacity 2.4Ah
b) Use time: continuous use time > 8 hours;
c) Charger: input AC220V±10%, 50Hz; nominal output 8.4V, 1A
d) Charging time: <3 hours.
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Display mode: 5-inch color LCD, 854*480 resolution, with touch function.
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Operating environment temperature: -20°C-65°C, humidity ≤90% RH, altitude <4500m.
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Application Scenarios
| Application Scenario |
Typical Cable Faults |
| Street Lighting Networks |
Open circuit, disconnection and leakage faults in buried street light cables |
| Telecommunication & Coaxial Networks |
High-frequency coaxial cable faults and buried communication line breaks |
| Industrial Plants & Mining Sites |
Low-resistance, short-circuit and high-resistance flashover faults in power cables |
| Municipal Utility Contractors |
Leakage and sheath faults in underground power distribution cables |
Thanks to its small, portable and lightweight design with a built-in high-capacity lithium battery, the XHDD503B can be carried directly to the fault zone and deliver accurate pinpointing results within minutes on site.
Packing list & Panel Display
FAQ
Q1: Who is this cable fault pinpointer designed for?
It is designed for street lighting maintenance departments, telecommunication and coaxial network maintenance teams, mining and industrial plant electrical crews, and municipal utility contractors that need to pinpoint fault points in buried power and communication cables quickly and accurately.
Q2: What types of cable faults can the XHDD503B locate?
It is suitable for low-resistance, short-circuit, open-circuit and disconnection faults of power cables, high-frequency coaxial cables, street light cables and buried wires of various materials, as well as high-resistance leakage and high-resistance flashover faults.
Q3: How accurate is the fault point location?
The fixed-point accuracy is within 0.1m. The instrument automatically calculates the acoustic-magnetic time difference with a maximum of 80ms, displays the acoustic and magnetic waveforms, and helps operators find the point with the smallest time difference, which is directly above the fault point.
Q4: What are the key hardware features of the XHDD503B?
It features a 5-inch 854*480 color touch LCD with high brightness for sunlight visibility, a multi-layer physically isolated IP65 waterproof sensor, a built-in 8.4V 2.4Ah lithium-ion battery supporting more than 8 hours of continuous use with a fast charger, and a lightweight 7kg body.
Q5: What standards does the XHDD503B comply with?
The technical parameters comply with GB/T 18268.1 (anti-interference requirements for test equipment used in industrial sites) and meet the acoustic-magnetic fixing requirements of DL/T 849.2-2019 (General Technical Conditions for Special Testers for Power Equipment Part 2: Cable Fault Locator). It also comes with a one-year free warranty and lifelong maintenance service.
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