GR3 Plus
- EUR: € 1.336,48
GR3 Plus
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- EUR: € 1.336,48
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Groundtech GR-3 Plus – Special Offer!
The Invisible Detector: Powerful 3D scanning technology hidden in a compact stick design. As an authorized distributor, Goldot guarantees genuine Groundtech products, expert support, and full warranty coverage.
GOLDOT is a certified dealer for GR3 Plus Groundtech | Conrad
Compact CN-D Dual Sensor Technology
The GR-3 Plus is the most compact and lightweight 3D ground scanner in the Groundtech lineup. Developed by Conrad Engineering, this device is designed to be virtually invisible in the field, often resembling a hiking pole or tripod leg.
By connecting wirelessly to your smartphone or tablet, the GR-3 Plus allows you to see deep underground anomalies immediately in 3D. It is the perfect tool for treasure hunters who prioritize mobility, stealth, and ease of use.
3 Professional Scanning Modes
Despite its small size, the GR-3 Plus packs a powerful processor and High-Precision Dual Sensors (CN-D) to offer three essential scanning modes via the app:
The primary mode for discovery. The device measures magnetic field differences and transmits data to your phone, creating a colorful 3D graph of voids, tunnels, and buried metals up to 15 meters deep.
Walk and scan simultaneously. This mode provides immediate 2D visualization of underground anomalies on your phone screen, allowing you to quickly survey large areas without stopping.
A high-sensitivity focus mode used to pinpoint the exact location of a target detected during a scan. It numerically indicates the center of the anomaly to ensure precise digging.
Turn Your Phone into a Detector
The GR-3 Plus connects via Bluetooth to your Android or iOS device. There are no heavy control boxes or cables—just the lightweight sensor stick and your phone.
Technical Specifications
| System | 3D Ground Scanner |
|---|---|
| Sensor Tech | High Precision CN-D Dual Sensor ± 2000 µT |
| Max Depth | Up to 15 Meters (Soil & Target Dependent) |
| Operating Time | Approx. 8 Hours (3.7V Li-ion Battery) |
| Charging | 5V Micro-USB (Powerbank Compatible) |
| Connectivity | Bluetooth 4.2 BLE (Wireless) |
| Compatibility | Android & iOS (G-Portal App) |
Ideal Applications
- Stealth Hunting: The device is small and discreet, resembling a hiking tool.
- Deep Tombs: Detecting cavities and rooms up to 15m deep.
- Tunnel Mapping: Locating underground passages and cellars.
- Vertical Scanning: Can be used to scan walls or cliffsides.
Package Contents
- GR-3 Plus Main Sensor Unit
- 5 Volt Charging Adapter & Cable
- Hard Transport Case
- User Manual & Warranty Certificate
- *Phone/Tablet not typically included
Smart Analysis on Your Mobile
G-Portal 3D App
The GR-3 Plus does not have a screen; it relies entirely on the powerful visualization of your smartphone or tablet. The G-Portal app allows you to:
- View scans in high-resolution 3D.
- Rotate graphics 360 degrees.
- Analyze depth, width, and height of the target.
- Save and share scan data instantly.
Rechargeable Power
Built for the field, the GR-3 Plus charges via a standard 5V Micro-USB port. This means you can easily charge it using a portable power bank while you are on the hunt, ensuring you never run out of power.
Frequently Asked Questions
What is the difference between GR-3 and GR-3 Plus?
The GR-3 Plus is the enhanced version. It features a Dual Sensor (CN-D) system instead of a single sensor, providing higher resolution scans, better stability in mineralized soil, and increased depth capability.
Does the GR-3 Plus have a screen?
No, the GR-3 Plus is designed to be ultra-compact. It connects wirelessly to your Android or iOS device (phone or tablet), which serves as the screen for all controls and analysis.
How deep can it detect?
Under optimal soil conditions and for large targets (like tunnels or large chests), the 3D scanning mode can detect anomalies up to 15 meters deep.
Technical Specifications
| SKU | GR3-PLUS |
|---|---|
| Weight | 5 kg |
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