Ajax Primero MD15
Advanced Scientific Exploration Platform
Primero MD15 A Comprehensive Prospecting Device Beyond Traditional Requirements
The Primero MD-15 represents a qualitative leap in the world of gold, metal, treasure, void, and groundwater detection. This device, developed by Ajax Detection Technology, is not merely a conventional detector, but a fully integrated scientific exploration system that grants the user complete control over all stages of field operations.
The device allows the user to Detect gold, raw gold, and precious metals. Identify underground voids such as caves, tunnels, and tombs. Study soil layers and geological structure with precision. Detect groundwater and determine its depths. Analyze the target in terms of type, shape, size, and depth with a high degree of accuracy.
 Brand Ajax Detectors |
 Systems 15 Systems |
 Depth 70 meters |
 Distance 3000 meters |
$15.750
Ajax Primero MD15
The Primero MD-15 stands apart from conventional detection devices by not relying on a single system, but on an integrated structure that includes 15 advanced systems embedded within an intelligent engineering framework, distributed across four core technologies:
- Long Range Systems
- Ground Imaging Systems
- Ultra-sensitive EFM Audio Systems
- Advanced Geophysical Systems
Primero MD15 combines:
• Real detection depth of up to 70 meters
• Forward search range of up to 3000 square meters
• Excellent stability in mineralized and complex soils
• Advanced sensing, imaging, and analysis technologies
• Minimizing false signals and results to the lowest possible level
This device is the result of many years of engineering development, where Ajax engineers successfully integrated 15 precise scientific systems into a single device that delivers the highest possible field performance.
This design grants the user:
- Complete freedom to choose the most suitable search method for the location
- An organized and smooth transition from initial exploration to deep analysis
- The ability to verify targets using more than one technology before making a digging decision
- A single device that covers all stages of prospecting from the beginning until reaching the target
Primero MD15 is not just a detector… but a complete prospecting system.
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.
Detector Accessories
Target Users
The Primero MD15 was developed to be an ideal choice for users seeking a high-standard professional prospecting device, not merely a device intended for recreational use. It is suitable for:
- Specialized search and prospecting teams
- Archaeology experts and field exploration professionals
- Prospecting companies and geological project firms
- Experienced hobbyists wishing to transition to a professional level
- Specialists who base their excavation decisions on precise and confirmed results
Primero MD15… A device designed for experts and relied upon by prospectors worldwide.
High-Efficiency Operating Environments
The Primero MD-15 has undergone real field testing in diverse environments and has demonstrated high capability to operate with stability and precision in:
- Dry deserts and sandy soils
- Mountainous areas and rocky formations
- Agricultural lands and open plains
- Forests and humid environments
- Clay soils
- Highly mineralized soils with strong interference
- Archaeological and historical sites
The device is designed to face real field conditions, not to operate only in an ideal laboratory environment.
Technical Architecture Behind Performance Power
The true strength of the Primero MD15 lies not only in possessing 15 advanced search systems, but in the integrated scientific architecture that connects these systems within one intelligent structure, which includes:
- Long-Range Detection Platform
Based on processing long-range frequency signals to efficiently track valuable targets across wide areas. - Ground Imaging Platform
Provides layered scanning and 3D analysis, giving the user an accurate visualization of what exists beneath the surface before making a digging decision. - EFM Platform – Ultra Detection Audio Systems
Specialized in signal analysis, differentiating between metal types, graphical readings, in addition to fast and precise searching. - Geophysical Platform
Based on measuring soil properties and electrical resistivity to accurately determine the locations of metals, voids, and groundwater.
This integration grants the user:
• The ability to reach significant depths
• Clear separation between precious and non-precious metals
• High stability in difficult soils
• A comprehensive imaging and analytical reading
• Accurate results that reduce unnecessary digging
It is a unified technical architecture… not separate systems.
15 Detection Systems
The Primero MD15 includes fifteen advanced detection systems that together form one of the most powerful integrated search platforms within a single device.
1. Automatic Long-Range System
This system was developed to be the optimal choice for users seeking speed of performance and ease of use without entering complex settings.
Working Mechanism:
• When the device is turned on, the system automatically begins searching for buried targets
• Analyzing signals emitted from high-frequency metals
• Automatic recognition of the presence of the target and its type
• Accurately determining the distance between the user and the target
• Directly guiding the user toward the target location
• Precisely determining the target depth and digging point
This system provides:
• An easy and fast user experience
• Fully automatic operation without manual settings
• High precision in guidance and target positioning
2. Manual Long-Range System
This system provides the user with full control over all search stages, making it the ideal choice for professionals who prefer precise setting adjustments according to the nature of the target and the field.
Working Mechanism:
The user can determine the following:
• The type of metal to search for (Gold, Silver, Copper, Iron, and others)
• The required search depth
• The forward range of the search process
After completing the settings adjustment:
• The device begins transmitting and receiving signals
• The user moves in the field according to the device guidance
• The target is identified through antenna movement
• When passing over the target, the antennas fully deflect right or left, indicating that the target point has been crossed
System Features:
• Full control over search settings
• Suitable for professional researchers and prospectors
• High accuracy in direction and location determination
3. Ionic Long-Range System
The ionic search system is considered one of the specialized technologies for detecting buried treasures and metals, as it relies on detecting the ionic field formed around ancient metallic targets for hundreds of years.
Key System Characteristics:
• Detection depth up to 20 meters
• Forward search range up to 200 meters
• High capability to detect:
Treasures and ancient artifacts, Gold, Silver, Bronze, Platinum, Copper
The high sensitivity of this system provides accurate capability in discovering historical treasures of high value with great efficiency.
4. Gradio Smart System
This system was specifically developed for high-precision deep scanning operations, providing reliable capability to verify targets and analyze their properties underground.
System Functions:
• Confirming targets up to a depth of 10 meters
• Analyzing magnetic fields formed around metals over time
• Detecting metals and voids with high field accuracy
Areas of Use:
• Treasures
• Metals
• Underground voids
5. Live Scan System
This system provides a live and real-time display of the search area, with clear visual analysis based on precise color coding:
• Green: Soil nature
• Red: Metals
• Blue: Voids and caves
It enables the user to:
• Accurately determine the target location
• Differentiate between different target types
• Obtain instant data during the scanning process
6. Ground Sonar System
An intelligent system dedicated to rapid inspection before moving to advanced scanning stages, based on analyzing short-range ground waves.
Working Mechanism:
• Sending successive ground pulses
• Analyzing reflected signals resulting from density variation
• Detecting voids, tunnels, caves, and metals
The system provides direct visual and audio signals to support fast decision-making on-site.
7. Ground Imaging System
The user can read the results directly from the device screen or via the included tablet using the specialized Primero MD software, which allows professional data analysis.
The system relies on:
• Four main high-sensitivity sensors
• Creating 3D images of targets
• Detection depth up to 30 meters
The system provides:
• Accurate determination of the target shape
• Measuring the true size of the target
• Highly precise target positioning
Whether the target is a metal, a void, a buried treasure, or an archaeological tomb, the system displays it clearly to help the user make the correct decision before digging.
8. Graph System
This system displays target information in the form of a two-dimensional graph, helping to analyze its characteristics accurately.
It provides clear identification of:
• The start and end point of the target
• The target size and density
• The approximate depth
Color indications:
• Green: Precious metal
• Red: Non-precious metal
This system is used as a final confirmation stage after detecting the target.
9. Discrimination System
A system dedicated to sorting metals and analyzing their type, working to:
• Differentiate between precious and non-precious metals
• Display the metal type directly on the screen
• Activate the iron rejection feature when needed
It is recommended to use it during the target identification stage.
10. Pinpointer System
A high-precision system used in the final stage of the search, characterized by:
• Extremely accurate target positioning
• Gradual narrowing of the signal range
• More precise determination of depth and size
11. Quick Scan System
This system allows fast and efficient scanning operations while providing instant indicators, offering:
• An audio alert when the coil passes over the target
• Display of the metal type using clear colors:
– Red: Non-precious metal
– Black: Precious metal
• Increased signal strength as the user approaches the center of the target
12. Spectrum Analyzer System
After locating the target, this system performs advanced analysis through:
• Conducting a two-dimensional scan of the target
• Sending successive pulses over its location
• Analyzing the target type and depth with high accuracy
The system operates when one of the dedicated coils is connected to the device.
13. Auto Geophysical System
This system operates fully automatically without the need for user intervention and relies on precise technologies including:
• Measuring differences in electrical resistivity in the soil
• Analyzing subsurface geological structure
• Clear differentiation between metals and groundwater
The system provides fast and reliable results and is suitable for professional use even without advanced geophysical expertise.
14. Manual Geophysical System
A system dedicated to experts and specialists, allowing:
• Operation using only two electrodes
• Reduced field scanning time
• High accuracy at targeted points
• Full control over measurement settings
This system is used to confirm results or to examine specific areas with greater precision.
15. Imaging Geophysical System
A system specialized in groundwater detection, based on:
• Converting geophysical data into three-dimensional images
• Accurately determining water locations
• Selecting the most suitable drilling point
It is considered an essential tool in well drilling operations, geological studies, and advanced exploration projects.
Ground Imaging & Advanced Calibration System
The Primero MD15 features advanced ground imaging technologies supported by an intelligent calibration system and a dedicated professional software program, allowing the user to read and analyze results with high accuracy, either directly through the device screen or via the included Tablet using the AJAX ANALYZER software.
The device possesses one of the most powerful subsurface layered imaging systems in its class, relying on advanced analysis technologies that provide the user with a clear and precise visualization of underground structures.
Key features:
• Creation of 2D and 3D images (2D / 3D)
• High-precision display of soil layers
• Clear differentiation between metals, voids, and cavities
• Displaying targets in colors and shapes to facilitate interpretation
• Analyzing target size, shape, and depth before starting excavation
Smart Calibration According to Soil Type
The device offers an automatic or manual calibration system that adapts to various types of soil, including:
• Clay soil
• Rocky soil
• Sandy soil
• Mineralized or mixed soil
This calibration contributes to:
• Correcting readings and improving their accuracy
• Reducing interference and false signals
• Increasing the reliability of results in difficult environments
• Ensuring real data that reflects actual field conditions
Result Reading & Full Control
The user can:
• View results directly on the device screen
• Or analyze data via the tablet included using the professional software
• Review results visually with high precision
• Make excavation decisions based on confirmed information
The software interface is designed to provide a clear, accurate reading experience suitable for professional use.
External Design
The Primero MD15 has been developed to achieve an ideal balance between durability and ease of use, combining:
• A strong, lightweight structure suitable for field work
• A comfortable design allowing prolonged use
• A comfortable grip with balanced weight distribution to reduce fatigue
• Easy assembly and disassembly for convenient transport and storage
A device designed to be present and ready in real field working conditions.
User Interface
The device is equipped with a practical and user-friendly interface that meets the needs of users at different levels:
• 5-inch TFT color display
• Clear display of data and graphics in various lighting conditions
• Organized, logical, and easy-to-navigate menus
• Supports 8 languages: English, French, Spanish, German, Russian, Arabic, Turkish, and Italian
• Quick and direct settings for each search system
An interface that is easy for beginners and provides professional control for experts.
User Interface
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 |
| 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%. |
Field Use Advantages
Stable Performance in Various Environments
- Operates efficiently in desert, agricultural, rocky, and clay soils
- Equipped with an advanced calibration system to adapt performance according to soil type
- Excellent stability in highly mineralized soils with strong interference
Reliable Solution for Archaeological Work
- Accurate detection of voids, tombs, and tunnels
- Layered imaging helps understand subsurface formations
- Reduces risks and damage at archaeological sites thanks to prior analysis
High Efficiency in Gold & Precious Metal Detection
- Minimizes unnecessary random digging
- Advanced metal discrimination systems
- Long-range systems for directional targeting before reaching the objective
Suitable for Hobbyists
- Clear and easy user interface
- Ready-to-use systems without complexity
- Accurate results even with moderate field experience
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