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HF-CH-207 Underground Utility Locator
This portable Underground Utility Locator precisely locates various buried underground cables, metal pipelines and utilities. It can display pipeline depth, direction and path clearly, effectively avoiding underground facilities damage during municipal engineering and construction work.
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This all-in-one Underground Utility Locator is designed to trace buried cables and metal pipelines for municipal engineering. Integrated with pipeline routing, cable identification and step voltage fault detection functions, it adopts fully digital signal processing with strong anti-interference performance. Equipped with color compass display, real-time depth measurement and passive spectrum analysis, it supports multiple signal transmitting modes and optional GNSS positioning & Bluetooth data storage modules. Featuring IP65 waterproof rating and built-in rechargeable lithium battery, the portable device ensures stable, accurate and convenient underground facility inspection in various complex field environments.
Product Features
- All-in-one functions for the cable and pipeline locator: pipeline tracing, cable identification, and fault locating with A-frame.
- Color screen with compass display: enables intuitive visualization of underground pipelines.
- Ultra-high receiving sensitivity with 2Hz ultra-narrow bandwidth, delivering outstanding anti-interference capability.
- Tracing validity prompt function to eliminate interference from adjacent pipelines.
- Enhanced depth measurement: real-time and accurate calculation of pipeline buried depth.
- Auxiliary depth sensor: alerts users to distorted signal conditions.
- Enhanced passive detection: power frequency & radio frequency passive scanning, capable of displaying multiple pipelines simultaneously.
- Spectrum analysis for passive detection to filter out interfering frequencies.
- High-performance transmitting clamp for coupling signals onto live energized cables.
- Flexible clamp for exclusive cable identification: convenient, highly reliable, and supports current measurement.
- Step voltage detection: used to search for insulation damage points on buried cables.
- Customizable working frequencies are available on request.
- High-power digital power amplifier transmitter with automatic impedance matching and comprehensive safety protection.
- Multiple signal output modes for the transmitter: direct connection, clamp coupling and radiative induction.
- Fully digital signal processing on both transmitter and receiver sides for stable and reliable performance.
- Built-in large-capacity lithium battery pack; automatic power-off upon low voltage or prolonged idle time.
- IP65 high ingress protection rating for harsh outdoor environments.
HF-CH-207 Underground Utility Locator Technical Parameters
Transmitter Specifications
| Item | Parameter |
|---|---|
| Output Modes | Direct connection, clamp coupling, radiation induction, fault locating booster |
| Output Frequencies | 640Hz, 1280Hz, 8kHz, 33kHz, 82kHz, 197kHz |
| Max Output Power | 15W, adjustable in 10 gears |
| Impedance Matching | Fully automatic |
| Protection Functions | Automatic overvoltage & overcurrent protection |
| Display Screen | 320×240 dot matrix monochrome LCD |
| Built-in Battery | Lithium-ion battery pack, rated 7.4V, capacity ＞6Ah |
| Charger Input | AC 100-240V, 50/60Hz |
| Charger Output | DC 8.4V, 2A |
| Overall Dimension | 280×220×90mm |
| Weight | 2.3kg |
| Ingress Protection | IP65 |
| Operating Conditions | -25℃ ~ 60℃, relative humidity ＜90%, altitude ＜4500m |
Receiver Specifications
| Item | Parameter |
|---|---|
| Receiving Accessories | Built-in coil, flexible clamp, stethoscope, A-frame |
| Detection Modes | Wide peak, narrow peak, valley value, history curve, spectrum analysis |
| Active Receiving Frequencies | 640Hz, 1280Hz, 8kHz, 33kHz, 82kHz, 197kHz |
| Passive Frequency Bands | 50/60Hz power frequency, 4–24kHz radio frequency |
| Display Screen | 320×240 dot matrix color LCD, sunlight readable |
| Built-in Battery | Lithium-ion battery pack, rated 7.4V, capacity ＞3Ah |
| Charger Input | AC 100-240V, 50/60Hz |
| Charger Output | DC 8.4V, 2A |
| Overall Dimension | 680×120×277mm |
| Weight | 2.0kg |
| Ingress Protection | IP65 |
| Operating Conditions | -25℃ ~ 60℃, relative humidity ＜90%, altitude ＜4500m |
Optional Accessories
- Auxiliary Depth Sensor: Reminds users of interference during depth measurement
- Transmitting Clamp: Couples signals onto live energized cables
- Flexible Clamp: For exclusive identification of single target cable
- Stethoscope: Cable identification in narrow and confined spaces
- Fault Locating Booster & A-frame: Locate cable faults and pipeline insulation breakdown points
- External RTK GNSS Handheld Terminal: Centimeter-level high-precision positioning
Packing List: Underground Utility Locator
| No. | Item Name | Qty | Unit | Remarks |
|---|---|---|---|---|
| 1 | Main Transmitter Unit | 1 | Set | High-power digital amplifier, automatic impedance matching |
| 2 | Smart Color Screen Receiver | 1 | Set | Built-in compass, depth detection & spectrum analysis |
| 3 | A-Frame Fault Detector | 1 | Pc | For step voltage & cable insulation fault locating |
| 4 | High-performance Transmitting Clamp | 1 | Pc | Couple signals for live running cables |
| 5 | Flexible Identification Clamp | 1 | Pc | Unique cable identification and current measurement |
| 6 | Depth Auxiliary Sensor | 1 | Pc | Signal distortion reminder for accurate depth testing |
| 7 | Special Test Wires & Connecting Cables | 1 | Set | Support direct connection & induction testing |
| 8 | Special Power Charger | 1 | Pc | For transmitter and receiver lithium battery charging |
| 9 | English Operation Manual | 1 | Copy | Complete operation & maintenance guidance |
| 10 | Calibration Certificate & Quality Certificate | 1 | Set | For project acceptance |
| 11 | Warranty Card | 1 | Copy | Official after-sales guarantee |
| 12 | Shockproof Portable Carrying Case | 1 | Pc | IP65 protection, convenient for storage and transport |
FAQ: Underground Utility Locator
Q1: What is an Underground Utility Locator?
A: It is portable electromagnetic detection equipment composed of a transmitter and receiver. It emits specific frequency signals to trace buried metal pipelines, power cables, communication wires, and measure their buried depth, used for excavation safety, construction layout, and underground asset mapping.
Q2: Where can this utility locator be applied?
A: Civil engineering excavation, road renovation, municipal pipeline maintenance, power station overhaul, garden construction, factory facility transformation, oil & gas pipeline inspection, and residential underground line troubleshooting.
Q3: What types of underground lines can the device locate?
A: All conductive metal utilities: buried power cables, copper communication cables, steel gas/water pipes, metal conduits, armored cables. With tracer wires pre-installed, it can also trace plastic PVC/HDPE pipes.
Q4: Can it detect non-metallic pipelines (plastic, concrete, asbestos cement pipes)?
A: Standard electromagnetic locators cannot directly detect non-conductive pipes without metal tracer wires. For pure plastic pipelines, you need to equip a sonde probe or cooperate with Ground Penetrating Radar (GPR) for detection.
Q5: What is the maximum effective detection depth?
A: Passive mode: up to 3–4m; Active signal transmission mode: standard 0–6m (custom high-power models support up to 8m). Actual depth is affected by soil moisture, soil composition and surrounding metal interference.
Q6: What is the difference between active locating and passive locating?
- Passive Mode: No transmitter needed. Capture natural electromagnetic fields of live power cables (50/60Hz) to quickly scan site power lines; fast screening but low precision, no depth reading available.
- Active Mode: Connect the transmitter to the target pipeline to apply fixed-frequency signals. The receiver tracks the dedicated signal, featuring high positioning accuracy, depth measurement function, suitable for precise tracing of power-off cables/pipes.
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