10m Metal Pipeline Detector Underground Pipeline Detector with GPS Acvg Instrument

• Customization: Available
• After-sales Service: Yes
• Warranty: 1 Year
• Model NO.: GMD
• Certification: CE
• Condition: New
• Customized: Non-Customized
• Alarm Form: Automatically Excluded
• Applicaiton: Pipeline Inspection
• Working Range: 10m Depth
• Working Method: Induction Method
• Function: High Accuacy
• Transport Package: Exporting Package
• Specification: 0-500m optional
• Trademark: GOLD
• Origin: China
• HS Code: 9015
• Production Capacity: 100 Sets Per Monthed

Product Description

10m Metal Pipeline Detector Underground Pipeline Detector with GPS ACVG Instrument

Underground pipeline detectors can quickly and accurately locate underground metal pipes, cables, and fiber optic cables on the ground surface without damaging the soil, determining their location, direction, burial depth, and the location and size of damage points to the external anti-corrosion layer of steel pipes and cable faults. They are essential instruments for water companies, natural gas companies, municipal services, telecommunications, industrial and mining enterprises, and infrastructure companies for the renovation, maintenance, and surveying of underground pipelines.

 

Technical parameters	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 100Hz	50Hz 100Hz Radio	50Hz 100Hz Radio	50Hz 100Hz Radio
Power Filter	×	×	√	√	√
Fault Frequency	×	×	×	×	2
Fault Location	×	×	×	×	√
Lithium Battery Pack	√	√	√	√	√
A-Frame	×	×	×	×	√
Location Depth	6m	6m	6m	6m	6m
Data Storage	×	×	×	√	√

How to choose Underground Pipeline Detector?

Underground pipelines refer collectively to buried pipes and cables. They are diverse in type, highly specialized, and managed by various professional departments. Therefore, to conduct effective underground pipeline detection, it is essential to first understand the types, specifications, materials, and design/construction requirements of each specialized pipeline. This enables the selection of appropriate detection methods and instruments, ensuring the quality and efficiency of underground pipeline detection.

Underground pipelines encompass multiple types including water supply, drainage, telecommunications, power, gas, heating, and industrial pipelines. The principle of pipeline detection is that when current flows through buried cables/pipes, an alternating magnetic field is generated around them. Using a surface receiver, the location, depth, and current value of the buried pipeline can be measured.

Effective detection requires methodical approaches, categorized into direct methods, clamp methods, electromagnetic induction (grounding method), and tracer methods.

Direct Connection Method: One end of the transmitter is connected to the exposed point of the pipeline, while the other end is connected to a grounding wire perpendicular to the pipeline's direction. The transmitter applies an alternating current of a specific frequency to the pipeline through this connection. This current flows along the pipeline in its direction of extension, returning to the grounding wire via the earth to form a circuit. Simultaneously, an alternating electromagnetic field of the same frequency forms around the pipeline. A receiver scans the ground above the pipeline to detect this alternating electromagnetic field, enabling pipeline location and depth determination.

Induction Method: Position the transmitter above the target pipeline. The transmitter coil generates an alternating electromagnetic field of a specific frequency (termed the primary field). This alternating electromagnetic field induces an alternating current of the same frequency in the pipeline. The current flows along the pipeline in its direction of extension, simultaneously generating an alternating electromagnetic field of the same frequency around the pipeline (called the secondary field). A receiver then scans and detects this secondary field above the pipeline to determine its location and depth.

Clamp Method: The transmitter signal is applied to a clamp, which is then fitted around the metal pipeline or cable being tested. The clamp functions as the primary coil, while the loop formed by the pipeline and the ground acts as the secondary coil. When the alternating current output from the transmitter flows through the primary winding, the ring-shaped magnetic field passing through the pipeline loop induces a secondary current within the pipeline. In areas with dense pipeline networks, the clamp method is an effective technique with minimal cross-interference.

Generally, different detection methods are selected based on the material, burial depth, and geological conditions of underground pipelines.

1. Water Supply and Drainage Pipelines

Water supply and drainage pipelines are categorized into metallic and non-metallic pipelines. Metal pipelines can be detected using induction or direct connection methods; non-metal pipelines can be located via ground-penetrating radar or directly determined through probing or excavation.

2. Communication Pipelines

Communication pipelines are typically installed via direct burial, conduit burial, or trench burial. Their instruments generally transmit signals well, and due to their small diameters, the primary detection method is the clamp-on technique.

3. Power Lines

The clamp-on induction method yields relatively strong signals and high detection accuracy, making it the primary technique for locating power lines.

4. Gas Pipelines

Gas pipelines typically feature small diameters and are constructed from either metallic or non-metallic materials. For metallic gas pipelines, induction methods are generally employed. Due to safety concerns, direct detection methods are typically avoided for gas pipelines. For non-metallic gas pipelines, ground-penetrating radar is employed for detection.

5. Heating Pipelines

Heating pipelines are typically made of steel pipes, yielding good detection signals. Their diameters vary significantly, and they are covered with protective materials. Inductive detection is generally suitable for locating heating pipelines.

6. Industrial Pipelines
Industrial pipelines generally include those for petroleum, acids, alkalis, etc. Safety precautions are essential during detection of these pipelines. Materials include both metallic (e.g., steel) and non-metallic (e.g., concrete). Inductive methods are typically used for metallic pipelines, while ground-penetrating radar is generally employed for non-metallic pipelines.

Underground pipelines exhibit diverse types, complex distributions, varied materials, and distinct purposes, necessitating multiple detection methods. In practical pipeline detection work, thoroughly analyze the physical properties of the target pipeline. Combine this with the site environment and the application conditions of different methods to select the appropriate detection approach. This approach enhances both work efficiency and detection accuracy.

What our Metal Pipeline Detector Underground Pipeline Detector widely used in Water Supply and Drainage Pipelines,Gas Pipelines,Heating Pipelines,Communication Pipelines and Industrial Pipelines
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