GR-3 3D Ground Scanner & Metal Detector

Advanced Underground Imaging System for Serious Prospectors

If you are serious about seeing what is really beneath the surface, the GR-3 is not just another metal detector. It is a powerful 3D underground imaging system built for those who want clarity, depth, and real visual analysis before they dig.

Designed with advanced dual sensor gradiometer technology, the GR-3 allows you to detect metals, magnetic objects, and underground cavities such as graves, tunnels, rooms, and hidden structures, all with detailed 3D visualisation through its Android and iOS software.

Whether you are exploring for buried artefacts or searching for deeper targets, this is a professional solution for users who want more than basic signals.

A Smarter Metal Detector UK Buyers Can Rely On

Unlike standard metal detectors for sale UK users often see online, the GR-3 focuses on underground imaging and analysis. Instead of simply alerting you to metal presence, it shows you differences in soil structure and density.

This gives you a clearer understanding of:

• Buried metals
  
• Magnetic anomalies
  
• Underground cavities
  
• Possible archaeological structures
  
• Hidden chambers and tunnels
  

It helps reduce unnecessary digging and increases confidence in your search decisions.

Advanced 3D Visualisation Technology

The GR-3 uses CN-D Dual Sensor Technology (Gradiometer ± 2000 µT) to measure magnetic field variations underground.

With the Groundtech GR-3 3D Analysis Application, you can:

• Perform 3D ground scanning
  
• Use Live Scan mode for real-time feedback
  
• Switch between Auto and Manual scanning
  
• Use Pinpointer mode for precise positioning
  
• Analyse scans in detailed 3D on your smartphone or tablet
  

This makes it far more advanced than a basic gold detector machine that only gives audio signals.