Built for field crews who need both route tracing and fault pinpointing in a single instrument. The XHLJ504 replaces separate path tracer and pinpointer units, reducing equipment costs, truck space, and crew training time. 500,000x signal amplification with >10m detection depth ensures reliable operation in urban, industrial, and remote field environments.
Dual-Mode Operation
Route tracing and fault pinpointing in one portable instrument. Switch modes in seconds — no tool change required.
500,000x Magnification
Ultra-high signal amplification detects the faintest electromagnetic signatures from cables buried beyond 10 meters.
Ultra-Low Power
Quiescent current below 10mA. Extended field operation on a single charge — critical for all-day utility maintenance shifts.
Fleet Cost Efficiency
One instrument replaces two. Lower procurement, maintenance, and training costs for utility fleet managers.
Product Details
Working principle
The XHLJ504 cable pipe locator is composed of a high-power path signal generator(transmitter) and receiver required for detecting buried cable paths.
The basic principle of the cable path meter is to use a path signal generator (ie, the path meter signal transmitting host) to input a path pulse signal into the cable under test, thereby generating electromagnetic waves, and then receiving them with a probe, and the receiver amplifies the received signal. After processing, the output is sent to the earphone and the pointer meter.
This cable route tracer judges the buried path and depth of the cable according to the sound peaks, sound valleys and the deflection degree of the pointer meter in the earphone.
Multi-function
The cable path receiver is used in connection with probes and headphones, etc., and can be used as a cable fault pinpointer.
Technical Parameters
Transmitter
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Output signal
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15kHz intermittent
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Output power
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100W
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Output current
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0～2A
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Working power
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220V (1±10%) 50Hz (1±5%);
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Magnification
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500,000 times
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Detection accuracy
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±0.2m
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Output impedance
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350Ω
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Working power supply
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two standard 9V batteries
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Quiescent current
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<10mA
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Features
1. Using the traditional electromagnetic induction principle, strong anti-interference ability.
2. With over-current and short-circuit protection functions, it is safe and reliable.
3. High power output, not limited by cable length, open circuit can also find a path.
4. The output is steplessly adjustable, suitable for various test sites, with strong adaptability.
5. Super strong magnification, the detection depth is greater than 10 meters.
6. Ultra-low power consumption design, the quiescent current is less than 10mA.
7. The design of the analog meter, the signal strength and trend are clear at a glance.
8. The zero level can be adjusted arbitrarily, which is suitable for all kinds of strong and weak scenes.
Packing list
Onsite test
Interested in the XHLJ504 for your maintenance fleet? Contact us for volume pricing, technical datasheets, and on-site demonstration arrangements.
▎Frequently Asked Questions
Q: What is the advantage of dual-mode detection (path tracing + fault pinpointing)?
Dual-mode operation means you carry one instrument instead of two. First, use path tracing mode to locate and map the cable route. Then, switch to fault pinpointing mode to locate the exact fault position along that route. This integrated workflow saves time, reduces equipment load, and eliminates the need to switch between separate instruments during field operations.
Q: What types of cable faults can be located with this instrument?
The XHLJ504 can locate low-resistance faults (short circuits, ground faults below approximately 20kΩ), open-circuit faults, and high-resistance leakage faults using acoustic-magnetic synchronization. For each fault type, the appropriate detection method and transmitter output setting must be selected based on the fault characteristics identified during initial diagnosis.
Q: How does the instrument perform in wet or flooded cable trenches?
The XHLJ504 is rated for challenging field conditions with an IP65-rated multi-layer physical isolation sensor. It operates reliably in wet environments, though standing water in trenches can affect signal propagation. For flooded conditions, the acoustic-magnetic synchronization method provides more reliable results than pure acoustic detection, as the magnetic channel is unaffected by water.
Q: How long does a typical fault location operation take?
A typical workflow: route tracing (15-30 minutes for a 500m section), fault pre-location using TDR or bridge method (10-20 minutes), and pinpointing (15-45 minutes depending on fault type, depth, and soil conditions). With experience, most single-fault locations can be completed within 60-90 minutes from arrival at site to marking the excavation point.
Q: What warranty and support is provided?
12-month standard warranty against manufacturing defects with lifetime technical support. CE and ISO certified. Complete kit includes the dual-mode path tracer/pinpointer, signal transmitter, acoustic-magnetic probe, connection cables, headphones, rechargeable batteries, charger, user manual, and a rugged field transport case.
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