Groundtech GR-4 Series
The New Dimension of Exploration
The next-generation GR-4 is an advanced ground scanning and detection system that enables you to detect subsurface anomalies, perform 3D analysis, and evaluate results instantly.
It offers integrated, multi-functional solutions for professional treasure hunters, archaeological researchers, and anyone who wants to work with high accuracy on underground structures.
With its dual-sensor 3D ground scanning system, the GR-4 detects, measures, and locates all targets, from buried metals to magnetic objects, as well as void structures such as graves, rooms, and tunnels.
Thanks to its high-resolution color screen, you can instantly view, analyze, and clearly identify your targets in Live Scan, Pointer, and 3D ground scanning modes.
The device can operate independently without the need for a phone or tablet. Thanks to its built-in color screen, you can view all scanning modes, settings, and results directly on the device itself. This allows you to use it independently without needing a phone or tablet.
If you wish, you can record your scan data with the G-PORTAL mobile app, examine 3D and 4D analyses in more detail, and generate comprehensive reports.
This allows the device to offer both fast and practical standalone use and advanced analysis capabilities with the mobile app.
With its foldable modular body structure, adjustable grip angle, and removable sensor module, the GR-4 is a leader in its class in terms of portability and field adaptability.
GR-4 DUAL
The GR-4 Dual model in the series is equipped with an integrated Pulse Induction (PI) detector system in addition to its 3D ground scanning capabilities.
This technology delivers superior performance in areas where standard detectors struggle, such as soils with high mineral content, salty soils, and coastal areas.
The PI system can detect deep targets without being affected by mineral density and soil composition.
This allows large metal masses, buried precious metals, or deep void structures to be detected with much clearer and more stable signals.
Thanks to its modular design, the GR-4 Dual allows for easy conversion by simply mounting the PI search coil onto the section where the magnetic sensor is attached. This enables both 3D ground scanning and professional PI detector searches with a single device.
This feature offers users two powerful technologies simultaneously without having to carry two different devices.
As a result, the GR-4 Dual offers a complete, standalone solution for multi-purpose field work, deep searches, and challenging terrain conditions.
Technical Specifications
GR-4 |
GR-4 DUAL |
|
System |
3D Ground Scanner |
3D Ground Scanner and integrated pulse induction metal detector |
Sensor Technology |
MFS-2 Dual Sensor Technology (Gradiometer) ± 2000 µT |
MFS-2 Dual Sensor Technology (Gradiometer) ± 2000 µT |
Detector Technology |
- |
Pulse Induction Technology – 1 kHz frequency |
CPU |
240 MHz CPU - 12-bit A/D converter |
240 MHz CPU - 12-bit A/D converter |
Scanning Modes |
3D Ground Scan, Live Scan, Pinpointer |
3D Ground Scan, Live Scan, Pinpointer, Detector Fast Scan, Detector Advanced Scan |
Analysis Application |
G-Portal Android & iOS 3D / 4D Analysis program |
G-Portal Android & iOS 3D / 4D Analysis program |
Depth |
Up to 15 meters with the 3D Scanning system** |
Up to 15 meters with the 3D Scanning system** |
Wireless Connection |
Bluetooth 4.2 BLE |
Bluetooth 4.2 BLE |
Language |
Device 11 languages, Mobile App 25 languages |
Device 11 languages, Mobile App 25 languages |
Battery |
3.7 V Li-ion rechargeable battery |
3.7 V Li-ion rechargeable battery |
Operating time |
3D Scanning system approximately 10 hours |
Pulse Induction Detector system approximately 6 hours, 3D Scanning system approximately 10 hours |
Operating temperature |
0°C - 70°C |
0°C - 70°C |
Storage conditions |
-20°C - 60°C |
-20°C - 60°C |
Charging |
Type-c 25w charging adapter |
Type-c 25w charging adapter |
Warranty |
2 years |
2 years |
Weight |
||
Dimensions |
* Depth values vary depending on soil type, mineral content, target size, and burial duration. The values provided represent maximum capacity.
Shipping Cost |
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Shop Location | Istanbul, Turkey |
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