Top 12 Metal Detectors

OKM eXp 4000

Advanced technology allows measurements in brilliant resolutions up to depth of 25m (> 80 ft)
Ground Penetrating Instruments and Metal Detectors. Built with German Precision - Backed with American Support
The eXp 4000 is the successor of the eXp 3000. Advanced technology allows measurements in brilliant resolutions up to depth of 25m (Over 80 feet). The handling is easy and possible without the need of a laptop. The measurement unit of the eXp 4000 includes a pc-module where the data will be displayed immediately on the color screen. All measured data will be stored in the internal memory and can be transferred to a normalokm eXp 4000 computer to evaluate and determine depth, size and position of targets with our optional software Visualizer 3D.

The eXp 4000 has many different functions especially for treasure hunters. So it has:

  • Distinction of metals and cavity
  • Easy handling and compact equipment
  • No laptop is needed for working

Results to 80 Feet!

product description  Click Here to Read More
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Click below for the following:
Instruction Manual Instruction Manual
Instruction Manual (Deutsch) Instruction Manual (Deutsch)
Instruction Manual (French) Instruction Manual (French)
Treasure Stories
OKM eXp 4000
Click to Call Kellyco
Cat# 1158-4000
Now Only $14,800.00
Or Call Toll Free 1-888-535-5926
Plus Oversize Shipping & Insurance
Upgrade your detector
UPGRADE this detector,
for only a few dollars more!
Factory Included:
  • 3D Visualizer Software with Data Cable
  • Carrying case
  • Control unit
  • 1 External power supply with charger and cable (12V)
  • GPR-antenna (25cm)
  • Headphones
  • Joystick
  • 1 Linkage
  • User manual
  • 2 Year Warranty
  • Distinction of metals (gold,silver,iron)
  • Detection of cavities (bunkers, tunnels, burial chambers, graves)
  • Intuitive menu navigation with voice output
  • Easy handling and compact equipment
  • No laptop is needed for working
  • Automatic display of object differentiation
  • Automatic signal stabilization during measurement
  • Automatic antenna identification
  • Pre-filtration of potential mineral structures
eXp 4000 Details

2 Sensors for 2 times the resolution are built into each
eXp 4000 GPR antenna!

OKM Visualizer 3D

3D Software, optional with basic, included with Pro Version

To ease the work with eXp 4000 and the subsequently image evaluation the following functionality was integrated:
  • Automatic display of object differentiation
  • Automatic signal stabilization during measurement
  • Automatic antenna identification
OKM eXp 4000 Metal Detector
Above is an acoustical signal in real time of metal target shown in yellow on the monitor of the exp4000 while in the metal detector mode. (Optional DDV system [Disc Detector Visualization system required])

The comprehensive equipment of the eXp 4000 is only one point that makes it a unique treasure hunting unit. Every single probe was optimized for its own purpose. So you can work with the following antennas:

Additional Options:

  • GPR-Antenna (25cm, 50cm, 75cm, 100cm)
  • Antenna for metal discrimination (DDV-System)
  • Antenna for tunnel finding
  • Super Sensor for high resolution ground scans

With a weight of only 1500g the eXp 4000 is ideal for fast searching an area. The integrated color monitor is also usable for night searching. But also in the sunlight the display is very clear in contrast to a laptop.

2 Sensors for 2x the resolution

Technical Specifications:

  • Power Supply: 15 Volt
  • Weight: 1500 g
  • 57.800 Samples per Second
  • Processor: 300 MHz
  • Working Memory: 128 MB SDRAM
  • Data Memory: 128 MB
  • Battery Run Time: 3 Hours
  • 2 year warranty
New Historical Findings in the Middle East with OKM
eXp 4000 Metal Detector!
Copper Plate from Syria found with OKM
Once again customers from the Middle East area informed us about new finds with their treasure detector eXp 4000. The precious ancient atifacts has been excavated in the Middle East. These very special targets were hidden about 1.2 m underground. The measurements in eXp 4000's Ground Scan mode has been confirmed before digging with the DDV system (visual metal detector system with metal discrimination).
Click Here To Read More
OKM's Metal Detector Depth Table with Several Discoveries of our Customers Finds and There Detection Depths.
OKM Depth Table and Customer Finds
Click Image to Enlarge
  1. This meteorite has been found with the treasure hunting equipment Localizer 3000. The object was situated in a depth of 0,60 m under the ground.
  2. The ancient dagger was located by 3d ground scanner eXp 3000 in a depth of 60 cm. The iron blade is in well preserved condition, there is only a small piece of the wooden handle left. The discovered object is assigned to the Middle Age.
  3. This copper rock was found in a depth of 50 cm by the metal detector Rover Deluxe.
  4. Customers from Greece found this non-metallic glas vase with Rover C in about 1 m depth in neutral soil.
  5. These antique door beaters has been located by a Middle East customer in a depth of 140 cm with his metal detecting instrument eXp 4000. The objects are made of gold.
  6. This antique statue has been found with the multi-sensor instrument Future 2005 in a depth of 110 cm.
  7. Several gold coins has been digged up in Greece. They were situated in about 2 m depth under the ground.
  8. The tomb of an shepherd together with his personal belongings like e.g. these ancient goat bells has been discovered with eXp 4000 and Future 2005 in a depth of 210 cm in clay soil.
  9. An accumulation of gold coins was detected with the treasure detector eXp 5000 in 3,20 m depth in rocky soil.
  10. This sensational discovery of a chest with gold bars was detected with the OKM earth imager eXp 3000 in aprox. 4,50 m depth.
  11. The engine of a fighter plane was located by Future I-160 in about 5 m depth under concrete soil.
  12. A gallery could be located by the metal detector eXp 5000 in 8 m depth. The diameter of this detected tunnel is 1,50 m.
  13. During official tests this historical tunnel has been located in a depth of 6 m under pavement. The tunnel has a diameter of 1 m.
  14. This old historic wine cellar has been digged up in France. This chamber is situated at 21 m depth.
Options for OKM eXp 4000 Basic
(Drag cursor over image for details)
GPR probes
(25cm, 50cm, 75cm, 100cm)

(25cm) Only $2,629.00
(50cm) Only $3,470.00
(75cm) Only $4,329.00
(100cm) Only $5,510.00

DDV Sysytem
DDV System
DISC Detector Visualization System

Only $2,944.00

Antenna for tunnel detection
For tunnel detection

Only $2,944.00

Super Sensor
Super Sensor
For high resolution
ground scans

Click Here For More Info

VLF Emitter System
VLF Emitter System (4 pieces)
Improve the 3d image and receive the maximum possible penetration depth

Only $7,700.00

Click Here For More Info

Recognize differences of temperatures on the surface of the ground

Only $6,973.00

Please call 1-888-KELLYCO (1-888-535-5926) to order
Improve Your Metal Detector Purchase With:
(Drag cursor over image for details)
D-Handle Shovel 47.5" (O.S.)
Lifetime Warranty
Cat# 1490-5296
Retail Price $64.99
Sale Price $59.95
Sampson T Handle
Cat# 251-32
Retail Price $79.95
Sale Price $63.95
Unbreakable 14" Mini-Pick
Cat# 251-9
Retail Price $49.95
Sale Price $39.95
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