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OKM eXp 4500 Professional Plus Complete Package Metal Detector

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Product highlights

  • Antennas: Horizontal GPR Antennas (all sizes), Tunnel and Cavity Antenna and FS-Thermoscan
  • Uses: Non-Intrusive Real Time Ground Surveying; Immediate On-Site Interpretation of Target Area
  • Technology:&nbspMeasured Values Showing Location of Targets within Surveyed Area and Extreme Depth of Survey
  • Battery: Operating Time (full charged battery, delivered power supply, 77° F (25° C)) : Approx. 3 Hours
  • Good for: Tunnels, Voids and Cavern Locating, Detecting Gold, Mineral and Natural Gold Prospecting
Product Description

OKM eXp 4500 Professional Plus Complete Package Metal Detector
3D Ground Scanner for Treasure Hunters and Gold Seekers with Horizontal GPR Antennas (all sizes), Tunnel and Cavity Antenna and FS-Thermoscan

OKM EXP 4500 Page 1OKM EXP 4500 Page 2

The eXp 4500 ground scanner is a high performance metal detecting device which is specially designed for Archaeological 3D surveys, metal detection, treasure hunting and gold prospection. The OKM eXp 4500 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.


  • Warranty : 2 Year Limited
  • Total Weight : 2.9 lbs (1.35 kgs)
  • Voltage : 12 - 14.4 VDC, 22 W Max
  • Data Transmission Technology : USB
  • Processor : 800 MHz, INTEL i586-Compatible
  • Manufacturer OKM
  • Manuals

    Instruction Manuals

  • Quick Look The expert’s tool, this OKM EXP 4500 Professional Plus Complete Package Metal Detector delivers high performance for savvy prospectors
  • SKU 1158-EXP4500PLUS
  • Product Type Metal Detectors
  • Factory Included Accessories
    • Joystick
    • Control Unit
    • Headphones
    • Super Sensor
    • User’s Manual
    • FS-Thermoscan
    • Telescopic Rod Assembly
    • GPR-Antenna 9" (25cm)
    • GPR-Antenna 19" (50cm)
    • GPR-Antenna 29" (75cm)
    • GPR-Antenna 39" (100cm)
    • Antenna for Tunnel Detection
    • Waterproof and Shock Resistant Peli Case
    • 3D Software ("Visualizer 3D") with Data Cable
    • 2 Power Packs incl. Charger and Travel Adapter
  • Warranty No
  • Interchangeable Search Coil No
  • Arm Rest Strap No
  • Adjustable Shaft No
  • GPS No
  • Audio Tones No
  • Depth Indication No
  • Programmable Target Id No
  • Target Id No
  • Pinpoint Mode No
  • Vibration Mode No
  • Search Flashlight No
  • Backlit Display No
  • Volume Control No
  • Bluetooth Compatible No
  • Interchangeable Headphones No
  • Rechargeable System No
More Information

OKM eXp 4500 Professional Metal Detector

Powerful Treasure Hunting Ground Scanner with 3D Scan Images

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.

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.

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:

  • Tunnels, voids and cavern locating
  • 3D imaging including size and depth
  • Mineral and natural gold prospecting
  • Detecting gold and other items of great value
  • Pin pointer function to locating the exact position of buried treasures and artifacts
  • Archaeological 3D surveys, metal detection, treasure hunting and gold prospecting
  • Finding ancient artifacts, hidden treasures, gold, silver, bronze, hoards of coins, treasure deposits, pirate chests

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

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.

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:

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

Technical Specifications:

  • 2 Year Warranty
  • Control Unit
    • Waterproof : No
    • Safety Class : IP40
    • Data Memory : 256 MB
    • Air Humidity : 5 % - 75 %
    • Weight : 2.9 lbs (1.35 kgs)
    • Feedback : Audible, Visual
    • Working Memory : 256 MB RAM
    • Voltage : 12 - 14.4 VDC, 22 W Max
    • Processor : 800 MHz, INTEL i586-Compatible
    • Storage Temperature : -4° F - 140° F (-20° C - 60° C)
    • Operating Temperature : 32° F - 158° F (0° C - 70° C)
    • Dimensions (H x W x D) : 8" x 6" x 11" (220 x 160 x 295 mm)
    • Display : 300mcd Backlight, 6.4" Diagonal, 480 x 640 Pixel TFT, Color
    • Operating Time (full charged battery, delivered power supply, 77° F (25° C)) : Approx. 3 Hours
  • Data Transmission (USB)
    • Technology : USB
    • Maximum Transfer Rate : 115200 Baud
  • Computer, Minimum Requirements (Computer Not Included)
    • CD-ROM Drive : Minimum 4x
    • Processor : Minimum 1.2 GHz
    • Free Disk Space : Minimum 50 MB
    • Interface (Data Transmission) : USB
    • Working Memory (RAM) : Minimum 256 MB
    • Graphic Card : Minimum 128 MB, OpenGL-Compatible
    • Operating System : Windows XP, Windows Vista, Windows 7, Windows 8


  • Lightweight Portability
  • Live Color Coded Surveys
  • Quick and Easy Set Up and Operation
  • Allows for Impromptu and Fast Surveys
  • Non-Intrusive Real Time Ground Surveying
  • Immediate On-Site Interpretation of Target Area
  • Measured Values Showing Extreme Depth of Survey
  • Highly Sensitive and Accurate Metal Detecting Device
  • Measured Values Showing Location of Targets within Surveyed Area
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Questions and Answers
  • Posted On: 1/1/2021 By: Graham Winney

    Q: David, I'm so sorry buddy, but again, NO DEPTH is given. I hate so much when I keep reading, "at great depth" or "depths beyond all others". A mile for some folks would say that is a great distance. But would that same description still apply to a long distance runner? NO IT WOULDN'T!! lol When I keep reading this open ended statements, I can't help but feel they do NOT want to make any statement about these crucial points....so I say, WHY/ CHEERS! Graham

    A: These detectors vary on depth based on the target size. On average, they go about 10 meters. We do not publish depth on our detectors. But please feel free to give us a call so we can answer more specific questions.
  • Posted On: 12/29/2020 By: Rizaldy Castillo

    Q: Can this be shipped direct to Manila, Philippines? Thanks

    A: Yes, this can be shipped to the Philippines! Give us a call and we would be happy to assist you!
  • Posted On: 7/25/2020 By: Hussein

    Q: Hi can I see more for this thanks ????


    We would love to go over this machine in more detail with you. You can call in and ask for Leilani, who is our expert with the professional machines. She will be able to answer any additional questions you may have. Our number is 855-535-0580. 

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