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Cable and line Testing Instrument

LQHV-515 Underground Pipeline Detector | Multi-Frequency Utility Locator (DL/T 849.3-2004 Compliant)

Professional-grade pipeline detector for utilities (6m+ depth). Features 12W output, auto-impedance matching, and current measurement for cable/pipeline identification. ISO9001/GB-T certified.


  • US$1.00; Negotiated Price
  • Lead time: 30days

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Product Details

Product Tags

LQHV-515 Intelligent Multi-Frequency Pipeline Detection System

Multi-Utility Detection Solution

This DL/T 849.3-2004 compliant detector locates underground cables, gas/water pipes, and telecom conduits with 6-meter penetration depth. Widely adopted by China's oilfields and municipal utilities for construction surveys and maintenance.

Product Parameters

Receiver

Active frequencyReceives 8 different frequencies, namely 50Hz, 577Hz, 815Hz, 8kHz, 33kHz, 65.5kHz, 82kHz, 133kHz
Depth range0~6M
Current rangeDirect reading current, range 000~999mA
Receive modeWide peak mode, valley mode, external device mode
Detection accuracyDetection accuracy: 0~3m is 5% of the buried depth; 3~6m is 10% of the buried depth
Signal strength indicationLCD display, sound prompt
Signal interfaceThe three interfaces of digital size, raster length and sound urgency indicate signal strength at the same time, and the dynamic range is 0~999, which can indicate the maximum signal strength
Gain dynamic rangeAutomatic adjustment and manual adjustment, dynamic range 0~100dB
Receive modeWide peak mode, valley mode, external device mode Digital signal and battery display, operating frequency, depth, volume, left/right direction display
LCD displayLCD display, graphic display, LCD screen backlight brightness can be manually switched on/off, using 240×128 dot matrix 3.6 inch black and white LCD screen, LCD screen backlight controllable
BatteryLithium rechargeable battery, more than 12 hours
Overheating and overcurrentAutomatic protection
Operating temperature-20℃~70℃
Volume620×110 ×2300mm
Weight1.6kg

Launcher

Output frequency577Hz、815Hz、8kHz、33kHz、65.5kHz、82kHz、133kHz
Output modeInduction mode, direct connection mode, clamp mode
Output power10W
Output voltage60V
Maximum output current1A
Power supplyDual power supply, lithium battery pack (energy saving and environmental protection)
Overheating and overcurrentAutomatic protection
Battery statusContinuous display
Continuous working hours1W≥12 hours; 8 hours at 5W≥ 8 hours; ≥5 hours at 10W
Ambient temperature-20℃-50℃

Core Detection Technologies

Smart Frequency Adaptation

Automatically selects optimal frequency (512Hz-65kHz) for:

  • Long-distance tracing (low freq)

  • Precision pin-pointing (high freq)

Advanced Signal Processing

  • Narrowband filtering (60dB interference rejection)

  • Auto-impedance matching

  • Current measurement for pipe identification

Field Operation Benefits

All-in-One Diagnostics

Integrated multimeter functions:

  • Cable continuity testing

  • Insulation resistance measurement

  • Loop resistance check

Extended Runtime

Dual power options:

  • Rechargeable Li-ion battery (8hrs+)

  • Dry battery backup

Industry Applications

  • Power Utilities: Underground cable route surveys

  • Oil/Gas: Pipeline maintenance and leak detection

  • Municipal Water: Non-metallic pipe tracing with sonde

  • Telecom: Fiber optic conduit location

Complete Package Includes

  1. Transmitter (12W output)

  2. 3-antenna receiver

  3. Li-ion battery & charger

  4. Calibration tools

  5. Waterproof carry case

Competitive Advantages

Conventional Locators

  • Single-frequency detection

  • Manual impedance adjustment

  • 2-3m max depth

LQHV-515

  • 4-frequency adaptive scanning

  • Auto-impedance matching

  • 6m+ depth capability

Quality Certifications

Manufactured under:

  • ISO9001:2015 Quality Management

  • GB/T 24001-2016 Environmental

  • China Metrology Certification (CMC)

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