Groundtech GR-4
1,596.43 €
The Groundtech GR-4 is a professional 3D ground scanning detector designed to locate underground metals, voids, and structures with precision. It features advanced MFS-2 dual sensor technology, multiple scan modes, and real-time visualization through the G-PORTAL app — delivering powerful performance and user-friendly operation for every explorer.
Details
The Groundtech GR-4 is a next-generation 3D ground scanning and imaging system designed for professional treasure hunters, archaeologists, and geophysical researchers.
Built with advanced MFS-2 dual sensor technology, this device offers highly accurate detection and real-time 3D visualization of underground structures, cavities, tunnels, and metal objects.
With its smart interface and lightweight design, the GR-4 provides unmatched precision, speed, and ease of use — whether you’re conducting archaeological surveys, treasure hunts, or geological mapping.
It represents the perfect combination of technology, innovation, and practicality for serious explorers.
Device Features
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3D Ground Scanning Technology: Detects and maps buried metals, tunnels, chambers, graves, and cavities in three dimensions.
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MFS-2 Dual Sensor: High-sensitivity sensor with fast signal processing and reliable results in all soil conditions.
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Live Visualization: The system displays real-time 3D imaging directly on the screen or via the G-PORTAL app (Android & iOS).
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Multi-Language Support: The GR-4 device supports 11 languages, while the G-PORTAL app supports over 25 languages.
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Multiple Scan Modes: Includes Live Scan, Pinpointer, Advanced Scan, and 3D Ground Scan modes for flexible and versatile operation.
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Powerful Depth Performance: Detects structures and metal objects buried up to 15 meters deep, depending on ground type and object size.
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Wireless Connectivity: Connects seamlessly to your smartphone or tablet for advanced data visualization and report generation.
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Rechargeable Lithium Battery (Type-C): Ensures long operation hours and fast charging capability.
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Compact & Portable Design: Lightweight and easy to carry, ideal for field professionals and outdoor explorers.
Why Choose Groundtech GR-4
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Combines advanced scanning power with simple operation — suitable for both beginners and professionals.
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Delivers accurate, stable, and high-resolution results even in highly mineralized or rocky soil.
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Offers multi-mode functionality — one device that serves multiple detection needs.
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Trusted Turkish engineering and manufacturing by Groundtech Detectors.
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Exceptional value for performance, accuracy, and mobility.
Search Systems
The Groundtech GR-4 operates through multiple powerful detection and scanning systems designed for versatility and accuracy:
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Pinpointer Mode – Precisely locates targets after initial detection for pinpoint accuracy.
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Live Scanning Mode – Allows instant visualization of underground anomalies without performing a full scan.
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Advanced Scan Mode – Enables detailed analysis, depth measurement, and metal discrimination (ferrous vs. non-ferrous).
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3D Ground Scan Mode – Conducts structured scanning and sends data to the G-PORTAL app for 3D or 4D analysis, generating comprehensive subsurface imaging.
Together, these systems provide a complete scanning solution — from detection to analysis and visualization.
| 15 Meter | |
| Turkey | |
| Conrad/GroundTech | |
| 2 Years |
The Groundtech GR-4 comes with a complete set of professional accessories designed to deliver a full and efficient ground scanning experience in all field conditions:
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Main Control Unit: Equipped with a high-resolution color display and smart interface to manage device settings, scan modes, and on-screen analysis.
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MFS-2 Dual Sensor: The main high-sensitivity probe responsible for accurate 3D ground scanning and deep subsurface detection.
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Adjustable Handle & Rod: Ergonomic and extendable design ensures comfortable handling and easy attachment of the sensor during field operation.
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Rechargeable Lithium Battery: Long-lasting power source for extended field work, easily rechargeable via USB Type-C connection.
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Type-C Charging Cable: For fast and stable charging or connecting to a PC for data transfer.
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AC Wall Charger & Car Charger: Provides flexible charging options at home or in the field.
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Protective Carrying Case: A durable and shock-resistant case designed to store and protect all components during transport.
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Professional Headphones: Ensures precise audio feedback and clear signal identification even in noisy environments.
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User Manual: Includes detailed setup instructions, operational guidance, and directions for using the G-PORTAL analysis app.
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Original Warranty Certificate from Groundtech.

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