Fluxgate Sensors by Treasure Hunter d.o.o. for Geophysical Applications
Treasure Hunter d.o.o. is a specialized electronics and sensing technology company headquartered in Nova Gorica, Slovenia. Operating under the global brand FG Sensors, we design and manufacture high-precision fluxgate magnetometers and integrated geophysical survey systems. Our mission is to provide industry-leading tools that enable researchers, industrial engineers, and explorers to capture high-fidelity magnetic data in the most challenging environments.
Engineering Precision from Nova Gorica
From our headquarters in Slovenia, we’ve built a strong reputation for integrating laboratory-grade sensing performance into rugged, field-ready systems. Our core expertise is in fluxgate technology—a highly specialized method of magnetic field detection that enables precise and reliable measurement of magnetic fields in demanding environments.
Our Core Solutions
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Precision Fluxgate Sensors: We offer 1-axis and 3-axis sensors designed for high-resolution magnetic anomaly detection.
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Drone-Mounted Systems: Our lightweight Mag-Drone kits are engineered for rapid aerial mapping, allowing for expansive geological surveys and archaeological prospection from the air.
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Integrated Data Logging: Our systems feature built-in GPS, SD card logging, and UART interfaces, supported by custom mobile applications for real-time data visualization.
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Custom OEM Research: We collaborate with academic institutions and industrial partners to provide custom-branded hardware and sensor integration for unique technological applications.
Applications and Global Reach
While our roots are in the specialized field of high-depth detection, our technology is now utilized across a vast array of sectors:
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Archaeology: Mapping buried structures and historical artifacts.
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Geophysics: Mineral exploration and environmental monitoring.
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Space Weather: Studying geomagnetic activity and solar storms.
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Industrial Safety: Detecting hidden voids and ferromagnetic infrastructure.
Vision
At FG Sensors, we design advanced technology to be practical and easy to use. By combining high-performance hardware with modern digital interfaces, we give users reliable tools to detect and analyze magnetic fields in the real world.
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Headquarters: Kidričeva ulica 19, Nova Gorica, Slovenia
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Main Brand: FG Sensors (www.fgsensors.com)
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Parent Company: Treasure Hunter d.o.o.
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VAT Number: SI 91719348
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Specialization: Fluxgate Magnetometers, Gradiometers, and Drone Survey Systems.
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Markets Served: Science, Industry, Archaeology, and Exploration.
Please use the contact form on the first page for any questions! Thank you!
You can find our Frequently Asked Questions (FAQ) by clicking here.
The Choice of Global Pioneers
Projects
Dedication. Expertise. Passion.
Explore how FG Sensors are used in real-world applications. Discover interesting projects completed by our customers through the links below.
In the Media
EDN Magazine: FG-3+ Highlighted as the High-Precision Alternative for Sensing the Invisible
In a feature article exploring the fundamentals of magnetometry, EDN Magazine highlights our FG-3+ sensor as a practical, high-sensitivity choice for researchers and hobbyists, noting its ability to deliver up to 1,000-fold greater precision than conventional integrated circuits.
Academic Validation: FG-3+ Fluxgate Technology in Geophysical Research
Featured in the Proceedings of the International Conference on Industrial Engineering and Operations Management (IEOM), our FG-3+ sensor was utilized for its high-precision capabilities in measuring the Earth's magnetic field. The study confirms the reliability of FG Sensors' technology in detecting minute magnetic variations for advanced scientific applications.
2025 Physics Symposium: FG Sensors at the Core of Subsurface Detection
Presented at the 41st Technical Session of the Institute of Physics Sri Lanka, this research highlights the FG-3+ fluxgate sensor as the "core" of advanced magnetic detection systems. The paper validates our technology's specialized ability to detect subtle magnetic anomalies for precise subsurface mapping.
NASA-Level Precision: FG Sensors Technology Cited in 2023 Technical Research
Our FG-3+ sensors used in SAM 3 are recognized for their precision in high-stakes environments. Cited in the NASA Technical Reports Server (NTRS), this research explores the integration of fluxgate technology in specialized instrumentation, cementing FG Sensors' reputation for reliability in the most demanding scientific applications.
University of New Hampshire: Building a Regional Research Network with FG-3+ Technology
Our fluxgate technology serves as the core of the UNH Space Science Center’s regional magnetometer array. By using the SAM-III (featuring FG-3+ sensors), the university has established a robust network of stations that collect real-time geomagnetic data for use by both students and professional scientists.