Detection Technology   Made in Germany   Made in Germany

eXp 4500 - 3d ground scanner for treasure hunters and gold seekers

Are you tired of finding only small stuff near the surface? Do you want to detect the real buried treasures which lie deeper than a normal metal detector can detect? OKM is introducing the multi-function, sub-surface imaging detector and ground scanner, the eXp 4500! Built for the treasure hunter as well as the prospector, just grab the eXp 4500 and find those buried treasures. You know you want to.

Unlike other ground scanners and imaging detectors, the eXp 4500 is truly unique. Calling the eXp 4500 a simple detector is not fair, due to a multitude of built in functions, the eXp 4500 can locate buried items, ancient artifacts, lost treasures and even naturally occurring mineralization like gold and silver at depths well beyond that of a normal metal detector.

Certification Labels
Made in Germany

Made in Germany

Tested and certified by one of the leading technical experts in GermanyView Certificate

Tested and certified by one of the leading technical experts in Germany

View Certificate

Wireless data transmission

Wireless data transmission

Data transmission via USB

Data transmission via USB

Compliance with the CE policies

Compliance with the CE policies

Characteristics and applications of the eXp 4500 ground scanner

The eXp 4500 ground scanner is a high performance metal detecting device which is specially designed for the following applications:

  • Archaeological 3D surveys, metal detection, treasure hunting and gold prospection
  • pin pointer function to locating the exact position of buried treasures and artifacts
  • 3d imaging including size and depth
  • detecting gold and other items of great value
  • finding ancient artifacts, hidden treasures, gold, silver, bronze, hoards of coins, treasure deposits, pirate chests
  • tunnels, voids and cavern locating
  • mineral and natural gold prospecting

With several specialized detection antennas, the eXp 4500 ground scanner can also be used in highly mineralized areas for treasure hunting and prospecting.

The graphical user interface of the eXp 4500 ground scanner is available in the following languages:

  • Deutsch
  • English
  • Français
  • Español
  • عربي
  • فارسی
  • Ελληνικά
  • Türkçe
  • 中文
  • Pусский
  • Nederlands
  • Български

The functionality of the eXp 4500 metal detector is only one key point that makes it a unique treasure hunting unit. Every single probe and antenna is tuned and optimized for its own purpose and function. The following antennas are available:

  • GPR-Antenna ( 25 cm, 50 cm, 75 cm, 100 cm )
  • Antenna for tunnel detection
  • Super Sensor for high resolution ground scans, pin pointing and mineral detection
  • FS-Thermoscan for 3D infrared images

The measurement unit of the eXp 4500 includes a PC-module with which data is displayed immediately on the full color screen. During the scanning procedure a laptop computer is not required, you see the results directly on the screen in real time as it is recorded. Advanced technology allows measurements in brilliant resolutions. Measured data is stored in the internal memory and can be transferred later to a computer. Transferring measured values to a computer allows the operator to evaluate and compare all stored data. In doing this the operator can determine depth, size and position of targets using the professional Visualizer 3D software.

The eXp 4500 ground scanner has several characteristics that set it aside from other imaging detectors:

  • lightweight portability
  • non-intrusive real time ground surveying
  • quick and easy set up and operation
  • live color coded surveys
  • allows for impromptu and fast surveys
  • immediate on-site interpretation of target area
  • measured values showing extreme depth of survey
  • measured values showing location of targets within surveyed area
  • highly sensitive and accurate metal detecting device

Technical certificates and 2 years of warranty are standard for all OKM metal detectors. Extensive field tests ensure the high quality of all OKM ground scanners which leave our factory.

Operating modes of the exp 4500 ground scanner and metal detector

Hidden artifacts are of different sizes and made from different materials. So the treasure hunter needs different operating modes and locating methods to find all of those hidden treasures at various depths under the ground surface. The eXp 4500 ground scanner is capable of the following operating modes:

  • Ground Scan is ideal for treasure hunters and archaeologists looking for underground artifacts, treasures as well as historical and archaeological items
  • Mineral Scan has been integrated for gold prospectors, seekers and miners, who are looking for natural gold and minerals
  • Tunnel Scan is a specialized mode to detect underground voids, tunnels, cavities and hollow spaces
  • Pin Pointer assists you in locating the correct position of detected items
  • Thermo Graph and Thermo Scan are used to detect cavities and underground tunnels by measuring differences in temperature
  • Magnetometer is helpful to locate ferrous metals like iron and steel

Customized packages of the eXp 4500 metal detector

The eXp 4500 ground scanner and metal detector has a wide range of optional components for various searching needs. We offer 2 standard packages:

eXp 4500 Professional: The Professional Edition includes all of the basic components which are needed to operate the 3d ground scanner. It is configured for getting started in 3d metal detection. This means that the central components such as the control unit with monitor, the Power Pack with charger and travel adapter, the headphones and joystick, the Visualizer 3D software, usb cable, Peli transportation case, user manual and one 25 cm GPR antenna with telescopic rod assembly as well as the Super Sensor are included. With this package you are able to conduct 3d scans, find metal targets and gold deposits and determine position, approx. size and depth.
Additional accessories can be purchased at any time to increase the field capabilities of your unit.

eXp 4500 Professional Plus: The Professional Plus Edition of the eXp 4500 metal detector is for professional searching needs and includes all available options. All available probes and antennas like the horizontal GPR antennas (all sizes), the tunnel and cavity antenna as well as the FS-Thermoscan for infrared measurements are included.

You may also build your individual customized package for your specialized treasure hunting and mineral detection needs. Contact us and we will gladly assist you.


The following technical indications are medial values. During operation small variations are quite possible.

Control unit

Operating temperature
0 °C - 70 °C
Storage temperature
-20 °C - 60 °C
Air humidity
5 % - 75 %
Waterproof
No
Dimensions (H x W x D)
220 x 160 x 295 mm
Weight
about 1350 g
Voltage
12 - 14.4 VDC, 22 W maximum
Safety class
IP40
Operating time (delivered power supply full charged, 25°C)
approx. 3 hours
Display
300mcd backlight, 6.4" diagonal, 480 x 640 Pixel TFT, Color
Processor
800 MHz, INTEL i586-compatible
Working memory
256 MB RAM
Data memory
256 MB
Feedback
audible, visual

Data transmission (USB)

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

Here we present some relevant discoveries, which have been located. If you also made a discovery or know somebody who made a fantastic find with our metal detectors, just write us an email or use our online form!

With his eXp 4500 a successful treasure hunter and OKM customer located numerous coins which date back to the 15th century. After repeated measurements in Ground Scan mode and subsequent analysis in the software Visualizer 3D, he found the treasure buried in 1.70 meters depth.

A successful treasure hunter and proud owner of an eXp 4500 3D ground scanner recently informed us about his wonderful find of coins. Near the Greek city of Feres at the border to Turkey he found numerous ancient Greek gold coins.


Using the 3d ground scanner and metal detector eXp 4500 one of our customers and treasure hunters successfully located these ancient weapons. The swords, knifes and spearheads has been found in a depth of 2.80 meters.


  Visualizer 3D - Demo
  eXp 4500 - User's Manual (English)
  Visualizer 3D - User's Manual (english)
  Visualizer 3D - Benutzerhandbuch (deutsch)

In the following table you can see the complete delivery contents and all optional accessories. The used symbols have the following signification:

x times includedx = x times included
not included = not included
optional available, only for additional charge = optional available, only for additional charge
DescriptionProfessionalProfessional Plus
3D software ( "Visualizer 3D" ) with data cableYes1Yes1
Control unitYes1Yes1
GPR-antenna ( 25cm )Yes1Yes1
HeadphonesYes1Yes1
JoystickYes1Yes1
Power Pack incl. charger and travel adapterYes2Yes2
Super sensorYes1Yes1
Telescopic rod assemblyYes1Yes1
User's manualYes1Yes1
Waterproof and shock resistant Peli caseYes1Yes2
Antenna for tunnel detectionOptionalYes1
FS-ThermoscanOptionalYes1
GPR-antenna ( 100cm )OptionalYes1
GPR-antenna ( 50cm )OptionalYes1
GPR-antenna ( 75cm )OptionalYes1

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