GEM Systems GSM-19 Overhauser Magnetometer
Included in the Detectsol inventory, the GEM Systems GSM-19 Overhauser Magnetometer is an advanced geophysical instrument offering high sensitivity in total magnetic field and magnetic gradiometry measurements. This device is actively utilized across numerous disciplines, including archaeology, geology, and mineral exploration. It is ideal for the non-destructive detection of buried structures, magnetic anomalies, and subsurface variations.
- High-Precision Magnetic Field Measurement
- Low Power Consumption
- Compact and Portable Design
- GNSS-Supported Positioning
Core System Components
The GSM-19 measures the magnetic field utilizing the Overhauser effect, delivering high-resolution data with exceptionally low magnetic noise. The primary advantage of this method is that it ensures energy efficiency without compromising data quality. Integrated with a GPS module, the device records positional data precisely. Furthermore, its lightweight structure and robust fiberglass housing make it highly resilient to harsh field conditions. It enables continuous and long-term data acquisition during field applications. This makes it indispensable, particularly for archaeological and environmental investigations.
- 0.022 nT @ 1 Hz, (0.015 nT) sensitivity
- 0.01 nT resolution
- ±0.1 nT absolute accuracy
- 20,000 – 120,000 nT dynamic range
- Over 10,000 nT/m gradient tolerance
- 60+, 5, 3, 2, 1, 0.5, 0.2 seconds sampling intervals
Measurement Flexibility and Field Compatibility
Thanks to its ergonomic design, the GSM-19 can easily be operated by a single person. This provides significant time and labor savings, especially during intensive field investigations. Additionally, its extended battery life makes it possible to collect uninterrupted data even in remote areas.
Extended Operating Time
Provides up to 25 hours of continuous operation with its lithium-ion battery.
Magnetic Gradiometry Measurement
Enables very fast and high-precision detection of buried structures in archaeological excavation sites.
Portable Field Case
All components can be easily transported in a single carrying case.
USB/Seamless Data Transfer
Data can be transferred to a computer quickly and smoothly
Application Areas
The GSM-19 can be reliably used in all projects requiring high-resolution magnetic data. The following areas are its primary application examples:
