An Integrated Scientific Exploration Platform
PRIMERO MD15
A Comprehensive Prospecting Device Beyond Needs and Expectations
An advanced revolution in detecting gold, metals, treasures, voids, and groundwater
The Primero MD15 from Ajax Detection Technology is not merely a gold detector; it is an integrated scientific exploration platform developed to give the prospector full control over every stage of the search:
Detecting gold, raw gold, and precious metals. Distinguishing voids, caves, tunnels, and tombs. Analyzing soil layers and geological formations. Locating groundwater and determining its depths. Identifying the target type, shape, size, and depth with high accuracy.
$ 15,750
The Detector Combines:
- Real depths up to 70 meters
- Forward search range up to 3000 square meters
- High field stability in mineralized and complex soils
- Advanced sensing, imaging, and analysis systems
- Minimizing false results to the lowest possible level
Primero MD-15 represents the outcome of years of development by Ajax engineers, delivering the strongest possible field performance in a single device composed of 15 precise scientific systems.
Features of the Primero MD15
Battery
A powerful rechargeable battery keeps you going all day at 12V, 3300 mAh, Typical usage time is more than 6 hours.
Depth
70 meters max of real depth can be reached.
Languages
Supports 8 languages: English, French, Spanish, German, Russian, Arabic, Turkish and Italian.
Display
TFT Color, 5 inch, with 16 bits colorful, performs exceptionally well in both bright sunlight and dark environments.
High-Tech Audio Alerts
It can distinguish between targets with a clear and a specific tone depending on h distance.
Warranty
AJAX has you covered with a 2-year warranty and ongoing support from a team of professional engineers who provide follow-up assistance.
Detection Systems
The Primero MD15 detector operates using a highly efficient 15 search system, meticulously developed under the guidance of specialized engineers and tested worldwide to ensure reliable results.
Detection Targets
Gold, Gold Nuggets, Silver, Copper, Bronze, Iron, Tin, Lead, Aluminum, Meteor, Diamond, Emerald, Groundwater and Cavities.
Quality
Ajax devices are American-made products that have won ISO and CE COMPLIANCE certificates for their quality and efficiency.
Target Users
The Primero MD-15 is designed for users who need a truly professional device, not a standard consumer device. It is suitable for:
- Professional prospecting teams
- Archaeological researchers and field explorers
- Geological and prospecting project companies
- Advanced hobbyists seeking to move to a professional level
- Experts who rely on accurate results before digging
Primero MD-15 — The expert’s tool… and the choice of prospectors worldwide.
Environments Where It Operates Efficiently
The device has been field-tested across different soil types and achieved high stability in:
- Dry, sandy deserts
- Mountains and rocky terrain
- Agricultural land and plains
- Forests and humid areas
- Clay soils
- Highly mineralized soils with strong interference
- Archaeological and historical sites
Designed for real field conditions… not an ideal laboratory environment.
Technical Architecture Behind the Power of Performance
Although the device includes 15 advanced search systems, the secret of its strength lies in the scientific architecture behind these systems:
- Long-Range Detection Platform
Based on long-range frequency signal processing and tracking valuable targets across wide areas.
- Ground Imaging Platform
Enables layered scanning and 3D visual analysis to understand subsurface conditions before digging.
- EFM Platform – Ultra Detection Audio Systems
Focuses on signal analysis, differentiating metals, graphical reading, and fast, accurate searching.
- Geophysical Platform
Based on measuring soil properties and electrical resistivity to locate water, metals, and voids accurately.
Through the integration of these platforms, the user gains:
- Significant depth capability
- Clear differentiation between precious and non-precious metals
- Stability in difficult soils
- A complete imaging and analytical view
- Reliable results that reduce random digging
These are not separate systems… but an integrated architecture that supports itself.
15 Detection systems
The Primero MD15 metal and gold detector is equipped with nine advanced search systems, which collectively transform it into a highly versatile multi-system device. This innovative design provides a range of search options and significantly streamlines the search process, making it easier and faster for users to find the target they want.
1. Automatic Long-Range System
This system is the optimal choice for users who want fast and easy operation without complex settings.
Working Mechanism:
- After powering on, the system automatically starts searching for buried targets.
- The device analyzes signals emitted by high-frequency metals.
- It automatically identifies the presence of the target and its type.
- It determines the distance between the user and the target.
- It guides the user precisely toward the target.
✔ Suitable for users who prefer speed and ease of operation
✔ Operates automatically without manual settings
✔ High precision in guidance and positioning
70M
Search Depth
3000M
Search Distance
2. Manual Long-Range System
This system gives the user full control over the search process and is ideal for professionals who want precise manual settings.
The user can set:
The type of metal to search for (Gold – Silver – Copper – Iron). The desired search depth. The forward search range.
After setting the parameters:
- The device begins transmitting and receiving signals.
- The user moves in the field.
- The target is indicated through device signals.
- As the user approaches the target, the signal becomes clearer until reaching the target point.
Full control over search settings
Suitable for professional prospectors
High accuracy in direction and target location
70M
Search Depth
3000M
Search Distance
3. Ionic Long-Range System
The ionic search system is a specialized technology for detecting buried treasures and metals based on the ionic field formed around ancient metallic targets (for hundreds of years).
Key features:
- Detection depth up to 20 meters
- Forward range up to 200 meters
- High capability to detect:
Gold – Silver – Bronze – Platinum – Copper
The system’s high sensitivity makes it effective for discovering both small and large quantities of precious metals with high accuracy.
20M
Search Depth
200M
Search Distance
4. Gradio Smart System
Designed for deep scanning operations with high accuracy, it works to:
- Confirm targets up to a depth of 10 meters
- Analyze magnetic fields formed around metals over time
- Detect metals and voids with high accuracy
Used for searching:
Treasures, Metals and Underground voids
5. Live Scan System
Provides direct, real-time imaging of the search area with a clear visual analysis using specific colors:
- Green: Soil nature
- Red: Metals
- Blue: Voids & Caves
Enables the user to:
- Determine target location accurately
- Differentiate between object types
- Obtain live data during scanning
6. Ground Sonar System
A smart system dedicated to rapid inspection before advanced scanning. It relies on:
- Emitting short, successive ground waves
- Analyzing reflected signals caused by density variation
- Detecting voids, tunnels, caves, and metals
Provides direct visual and audio signals to support quick decision-making.
7. Ground Imaging System
One of the most advanced and accurate detection systems. It relies on advanced technologies to analyze the subsurface and present results in a clear, easy-to-read manner.
Users can read results directly on the device screen, or via the included tablet using the dedicated Primero MD program, which enables professional and precise data display and analysis.
It relies on:
- Four main high-sensitivity sensors
- Generating 3D images of targets
- Detection depth up to 30 meters
It provides:
- Accurate determination of target shape
- Determination of true target size
- Precise target positioning
The system displays it clearly to help the user make the correct decision before digging.
8. Graph System
Displays target data as a 2D graph to determine:
- Target start and end
- Size and density
- Approximate depth
Green: Precious metal
Red: Non-precious metal
Used to confirm the target after discovery.
9. Discrimination System
Works to:
- Differentiate between precious and non-precious metals
- Display the metal type on the screen
- Enable iron rejection feature
Recommended during the target identification stage.
10. Pinpointer System
A high-precision system used in the final stage of the search, featuring:
- Highly accurate target pinpointing
- Gradual signal narrowing
- More precise depth and size estimation
11. Quick Scan System
Enables fast scanning with:
- Audio alert when the coil passes over the target
- Metal type display in colors:
Red: Non-precious
Black: Precious
Increased signal intensity when approaching the target center
12. Spectrum Analyzer System
After locating a target, the system:
• Performs a 2D scan
• Sends successive pulses over the target
• Analyzes its type and depth accurately
Operates when one of the dedicated coils is connected to the device.
13. Auto Geophysical System
An advanced automatic system that relies on:
- Measuring electrical resistivity differences
- Analyzing subsurface formations
- Differentiating between:
- Metals
- Groundwater
Provides accurate and fast results, suitable for professional use without advanced geophysical expertise.
14. Manual Geophysical System
Dedicated to experts and professionals, featuring:
- Two-electrode operation only
- Reduced scan time
- High accuracy in specific points
- Full manual control of settings
Ideal for confirming results or examining selected areas.
15. Imaging Geophysical System
Used exclusively for groundwater detection, it works to:
- Convert data into 3D images
- Locate water precisely
- Select the best drilling point
A decisive tool for:
- Well drilling
- Geological studies
- Advanced exploration projects
Ground Imaging & Advanced Calibration System
The Primero MD15 features advanced ground imaging technologies supported by an intelligent calibration system and dedicated professional software. It allows users to read results accurately either through the device screen directly or via the included tablet using Primero MD Software.
Ground Imaging Features in Primero MD15
The device provides one of the strongest subsurface layered imaging systems in its class, relying on advanced analysis technologies that offer a clear and accurate view of what lies beneath the soil.
Key features:
- 2D and 3D imaging through ground imaging systems
- High-precision display of soil layers
- Clear distinction between metals – cavities
- Displaying targets with colors and shapes for easier interpretation
- Analyzing target size, shape, and depth before digging
Smart Calibration According to Soil Type
The device can be calibrated automatically or manually according to soil type, whether:
- Clay soil
- Rocky soil
- Sandy soil
- Mixed or mineralized soil
This calibration works to:
- Correct device readings
- Reduce interference and false signals
- Significantly improve result accuracy
- Ensure real, non-misleading data appears
This makes the device’s results more reliable even in difficult environments or areas with high mineral interference.
Result Reading & Full Control
Users can:
- Read results directly on the device screen
- Or use the included tablet via Primero MD software
- Analyze data in a clear visual format
- Review results accurately before deciding to dig
The software interface is designed to provide an easy, accurate, and professional interpretation of field data
Ergonomic & Field-Ready Design
The Primero MD15 is designed to combine:
- A strong, lightweight structure
- Comfortable field design for prolonged use
- Comfortable grip and good balance to reduce fatigue
- Easy assembly/disassembly for transport and storage
Always ready for real field work.
User Interface
The Primero MD15 is designed to combine:
- A strong, lightweight structure
- Comfortable field design for prolonged use
- Comfortable grip and good balance to reduce fatigue
- Easy assembly/disassembly for transport and storage
Always ready for real field work.
Display & Controls
Technical specifications
| Detection System | Multi-detection systems and functions, contains 15 optional systems |
| Operating Principle | Processing data and digital signals and converting them to visual and audible results |
| Processor Architecture | ARM Microcontroller 32 bit |
| Display Screen | TFT Color LCD, 800 x 480 WVGA, 16-bit color depth |
| Battery | 12 volts, 3300 mAh |
| Power Rating | 400 mA |
| Battery Endurance | Typical usage time 10 hours |
| Power Adapter | USB TYPE-C / PD / 1.5 A-30W |
| Storage | It can save to 50 scans. |
| Sound | High quality sounds, 32 KBIT/S, MP3 |
| Notifications | Sound and tactile feedback configurable in the settings menu for |
| Bluetooth | 2.4 GHz, sensitivity up to -80dBm. |
| Languages | Multilingual User Interface with support for 8 languages. |
| Date and Time | Real Time Clock could be set manually or Automatically via GPS time. |
| Login Restriction | Configurable PIN. |
| Overall Dimensions | 88x52x20 cm |
| Package Total Weight | 10.2 Kg |
| Operating temperature | From -10° C to 60° C (14° F - 140° F) |
| Storage temperature | From -10° C to 80° C (14° F - 176° F) |
| Humidity | Could be stored and operated at relative humidity level up to 90%. |
Effective exploration in diverse environments
- Works efficiently in desert, agricultural, rocky, and clay soils
- Advanced soil calibration system
- Stable in highly mineralized soils with strong interference
Ideal for archaeological research
- Detects voids, tombs, and tunnels accurately
- Layered imaging helps understand subsurface structure
- Reduces damage to archaeological sites through prior understanding of subsurface conditions
Reliable for gold and precious metal prospecting
- Reduces random digging
- Advanced metal discrimination
- Long-range systems for directional targeting before approaching the objective
An excellent choice for ambitious hobbyists
- Simple interface
- Ready-to-use advanced systems
- Clear results even with moderate field experience
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