
Hidden Cable Wire Locator Detector (NF-816)
Product Introduction
Our destination is 'You come here with difficulty and we supply you with a smile to take away' for megohmmeter 20kv, primary current injection test machine, six phase secondary current injection. We adhere to the principle of reliability first and have established a strict R&D and production quality control system. We will vigorously promote the transformation and upgrading of the enterprise and the development of diversification. For further inquiries, please do not hesitate to contact us. The company strives for development with integrity and survives with quality service. Adhere to the people-oriented concept, as always, provide high-quality and efficient services to users with integrity and sincerity, and promote each other with colleagues from all walks of life, coordinate development, and create a better future.
HZ-4000A Underground Cable And Pipe Locator

Models | |||||
Model No. | A | B | C | D | E |
Location frequency | 5 | 6 | 7 | 8 | 10 |
Frequency | 512,1K,33K,83K | 512,1K,33K,83K | 512,1K,33K,83K | 512,1K,33K,65K,83K | 512,1K,2K,8K,33K,65K,83K |
Passive frequency | 50Hz | 50Hz | 50Hz | 50Hz | 50Hz |
Mains filter | × | × | √ | √ | √ |
Fault frequency (s) | × | × | × | × | 2 |
Trouble shooting | × | × | × | × | √ |
Lithium battery | √ | √ | √ | √ | √ |
A font rack | × | × | × | × | √ |
Depth of positioning (m); | 6 | 6 | 6 | 6 | 6 |
Data storage | × | × | × | √ | √ |
The HZ-4000 underground cable and pipe locator can accurately location and measure the buried depth of underground pipelines, cables, and optical cables without excavation, and accurately find the location of the damaged point of the outer anti-corrosion layer of the underground pipe and the fault point of the buried cable. and is suitable for various underground The detection and inspection of metal pipelines, pipeline management and maintenance, municipal planning and construction, power supply and other departments are the necessary instruments for pipeline maintenance units.
Multiple Functions
Transmitter: Supports three connection modes – inductive connection, direct connection, and clamp connection – to suit different field applications.
Receiver Functions: Detects the position, path, depth, and tube current of underground pipes and cables.
Intuitive Positioning: Left and right positioning arrows quickly and accurately indicate the target pipeline position. Front and rear arrows, along with dB value indication, pinpoint the location and size of coating damage.
Backlight Display: Equipped with a backlight for convenient use in nighttime or low-light conditions.
GPS Geolocation (Optional): Supports GPS geolocation with automatic pipeline mapping.
Data Analysis Software (Optional): Professional software enables automatic detection report generation.
Unique Feature of HZ-4000: Locates breakdown points (pipeline breakdowns refer to coating damage points; electric cable breakdowns refer to outer layer damage). Detects insulation damage of underground pipes and cables.



Our company has been adhering to the development philosophy of 'abiding by integrity, continuous innovation, quality assurance, and quality service', and is committed to providing high-quality Hidden Cable Wire Locator Detector (NF-816) to the market. We are seeking the chances to meet all the friends from both at home and abroad for the win-win cooperation. We uphold the company's perseverance, beyond the corporate spirit of self, adhere to the staff oriented, customer-oriented.
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