OKM eXp 4500 NT Professional
- Versatile: OKM's multifunctional subsurface detection detector!
- Measuring Depth: With this technology, users have found objects up to 25 m (82 ft) deep.
- Areas of Use: Treasure hunting, cavity detection, natural gold search
- Working Modes: Ground Scanning, Pinpointing, Mineral Scanning
- Detectable Objects: Treasure chests, burrows, tunnels
EXTENDED SCOPE OF DELIVERY: Location scanner eXp 4500 Professional now with telescopic rod attachable flashlight!
3D Ground Scanner for Treasure Hunting and Gold Prospecting
Ground detectors like the eXp 4500 allow treasure hunters of all skill levels – entry-level, experienced and professional – to detect buried treasures at depths that common metal detectors cannot reach. The multi-functional treasure detector can locate buried relics, ancient artifacts, lost treasures and natural gold minerals.


A successful treasure hunter found a large number of coins dating back to the 15th century with the eXp 4500. After repeated measurements in Ground Scan mode and subsequent analysis with the Imager…

eXp 4500 Special Features at a Glance
- Non-invasive real-time ground survey prior to excavation
- Quick and easy installation and operation
- Interchangeable probes for various purposes
- Instant on-site interpretation of the target area
- The measured values indicate the depth of investigation.
- The measured values indicate the location of targets in the examined area.
- Highly sensitive and accurate metal detection
Multi-Purpose Detector with Interchangeable Probes
The high-performance detector eXp 4500 offers interchangeable sensors that have been tuned and optimized for its specific purpose and function. Therefore, the lightweight and easy-to-use treasure detector is the perfect device for treasure hunters looking for a variety of treasures.
The eXp 4500 Pro includes:
- Super Sensor: For high-resolution ground scans, pinpointing and mineral detection.
- GPR-Antenna: (25cm, 50cm, 75cm, 100cm)
More custom probes can be added:

Easy to Use Detector for All Treasure Hunting Levels
The treasure detector allows archaeologists, gold seekers and treasure hunters to:
- Archaeological 3D research and metal detecting
- Finding buried treasures and relics by accurately determining their exact location
- Visualize exploration and underground structures in 3D images, including size and depth
- Detecting gold, silver, bronze and other precious objects
- Finding ancient artifacts, hidden treasures, coins, treasure chests and pirate chests
- Exploring tunnels, chasms and caves
- Finding gold minerals and natural gold.

eXp 4500 Scan Modes
Discoveries and treasure finds occur in different sizes and are made of different materials. As a result, treasure hunters who do not specialize in a particular type of find need a variety of working modes and finding methods to find all kinds of hidden treasures at various depths below the surface.
The ground scanner eXp 4500 Pro offers the following scanning modes:
- Ground Scan: Perfect for treasure hunters and archaeologists searching for underground artifacts, treasures and historical objects.
- Mineral Scanning: Allows gold miners and gold seekers to be more successful in gold mining of natural gold minerals.
- Pinpoint Targeting: Supports treasure hunters in finding the exact location of detected items.
- Magnetometer: Helps to locate ferrous metals such as iron and steel.

Visualization of Treasure Findings and Discoveries
The sensors of the eXp 4500 are directly connected to the control unit, which immediately displays the measurement data on a full-colour display. This data can be stored in the device's internal memory and also transferred to a computer.
On the computer, special software Visualizer 3D allows you to evaluate and compare all stored data. Also, the user can determine the depth, size and location of detected structures and objects.
Floor Scanner Equipped for Treasure Hunting in the Dark

* According to German law, all EU citizens must pay 19% value added tax (VAT).
* 18% VAT is applied in the Republic of Türkiye.