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OKM eXp 4500 NT Pro Plus

29.600,00 EURO

  • All-arounder:  OKM’s detector for multifunctional subsurface detecting – including all features
  • Measuring Depth: With this technology customers found objects up to 21 m (69 ft) deep – check our references
  • Use cases: treasure hunting, natural gold prospection, cavity detection
  • Operating modes: Ground Scan, Magnetometer, Pinpointer, Mineral Scan, Tunnel Scan
  • Detectable objects: treasure chests, cavities, tunnels

3D Ground Scanner for Treasure Hunting and Gold Prospection

Ground scanners like the eXp 4500 allow treasure hunters of all levels – entry-level, experienced and professional users – to detect buried treasures in depths that common metal detectors are not able to reach. The multifunctional treasure detector can locate buried relics, ancient artifacts, lost treasures and natural gold minerals.


November 08, 2016
Ancient coins found in the Eastern Mediterranean with eXp 4500

With his eXp 4500 a successful treasure hunter located numerous coins which date back to the 15th century. After repeated measurements in Ground Scan mode and subsequent analysis with Visualizer …



eXp 4500 Special Features at a Glance
  • non-intrusive real-time ground surveying before excavating
  • quick and easy setup and operation
  • exchangeable probes of various purposes
  • immediate on-site interpretation of target area
  • measured values show extreme depth of survey
  • measured values show location of targets within surveyed area
  • highly sensitive and accurate metal detection

Multi-purpose Detector with Exchangeable Probes

The high-performance detector eXp 4500 offers exchangeable sensors – tuned and optimized for its special purpose and function. Hence, the lightweight and easy-to-use treasure detector is the perfect device for treasure hunters who look for various kinds of treasures.

The eXp 4500 Pro includes:

Easy-to-use Detector for all Treasure Hunting Levels

The treasure detector allows archaeologists, gold seekers and treasure hunters to:

  • conduct archaeological 3D surveys and metal detection
  • locate the exact position of buried treasures and relics by pinpointing
  • visualize discoveries and underground structures in 3D images including size and depth
  • detect gold, silver, bronze and further valuable objects
  • find ancient artifacts, hidden treasures, coins, treasure deposits and pirate chests
  • discover tunnels, voids and cavern
  • find 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 are not specialized on a certain type of finds, need a variety of operating modes and locating methods to find all kinds of hidden treasures at various depths under the surface.

The ground scanner eXp 4500 Pro offers the following scan modes:

  • Ground Scan: perfect for treasure hunters and archaeologists looking for underground artifacts, treasures and historical objects
  • Mineral Scan: allows gold prospectors and gold seekers to be more successful in gold panning of natural gold minerals
  • Pinpointer: supports treasure hunters in locating the correct position of detected items
  • Magnetometer: helps to locate ferrous metals like iron and steel




Visualization of Treasure Finds and Discoveries

The sensors of the eXp 4500 are directly connected to the control unit which immediately displays the measurement data on the full color screen. These data can be stored in the internal memory of the device and can additionally be transferred to a computer.

On the computer, the specialized software Visualizer 3D allows to evaluate and compare all stored data. Furthermore, the user can determine depth, size and position of detected structures and objects.



Introduction of ground scanner OKM eXp 4500:

How to use the ground scanner eXp 4500:

3D Visualization

3D Ground Scan

Exchangeable probes


Height adjustment

Internal memory

Live Sound

Mineral Scan

Multilingual operation

Rechargeable high-capacity battery



Cavity Detection

Explosive Ordnance Disposal Services

Militaria Detection

Natural Gold Prospection

Treasure Hunting

OKM Search Services

1x Control unit
1x Super Sensor
1x GPR-antenna (100 cm)
1x GPR-antenna (25 cm)
1x GPR-antenna (50 cm)
1x GPR-antenna (75 cm)
1x Tunnel Sensor
1x Telescopic rod assembly
1x 3D software (“Visualizer 3D”) with data cable
1x Waterproof and shock resistant Pelican case
1x Bluetooth headphones
1x Joystick
2x Power Pack with charger and travel adapter
1x User’s manual

Control unit

  • Dimensions (H x W x D): 70 x 140 x 300 mm
  • Weight: approx. 1530 g
  • Input voltage: 12 – 14.4 V DC, 22 W max
  • Display: 1000 mcd Background lighting, 6.5″ Diagonal, 640 x 480 Pixel TFT, Color, Anti-Glare
  • Processor: AMD-GX, Dual-Core 1 GHz Processor, GPU 300 MHz
  • Working memory (RAM): 2 GB
  • Data memory: 8 GB
  • Operating temperature: 0°C – 40°C
  • Storage temperature: –20°C – 60°C
  • Waterproof: No
  • Operating time: approx. 3 hours (full charged Power Pack, 25°C)
  • Air humidity: 5% – 75%
  • Protection Type: IP 40
  • Feedback: acoustic, visual

Data transmission

  • Technology: USB
  • Maximum Transfer Rate: 115200 Baud

Computer minimum requirements

  • CD-ROM drive: minimum 4x
  • Interface (Data transmission): USB
  • Free disk space: minimum 50 MB
  • Working memory (RAM): minimum 256 MB
  • Graphic card: minimum 128 MB, OpenGL-compatible
  • Processor: minimum 1.2 GHz
  • Operating system: Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10

The technical data are average values. Minor deviations are possible during operation.