Professional 3-Axis Magnetometer Kit

The Professional 3-Axis Magnetometer Kit is a ready-to-use magnetic field measurement system designed for geophysical surveys, environmental monitoring, and magnetic signature analysis.
The system combines the FGA DataLogger with one or two Bartington MAG-649 3-axis fluxgate magnetometer sensors, creating a powerful solution for measuring the full vector magnetic field while recording accurate GPS position and timestamp data.
The kit is designed for researchers, engineers and survey professionals who require high-quality magnetic measurements with simple deployment and flexible data output.
Key Features
- Dual magnetometer support — connects up to two 3-axis fluxgate magnetometers for simultaneous multi-point magnetic field measurements
- Integrated GPS receiver — built-in high-sensitivity GPS module provides accurate geolocation data for mapping
- High-speed data logging — logs magnetic and GPS data at up to 10 Hz
- Flexible data storage and output — removable SD card storage with UART and USB serial output for real-time streaming
- USB-C connectivity — modern interface for power and rapid data access
- User-friendly operation — dedicated start/stop button with LED indicators
- Factory calibration — ensures accurate and reliable measurements
- Software compatibility — compatible with Excel, Python, MATLAB, Surfer, and PolarWave DATA™
Package Contents
- FGA DataLogger unit
- GPS antenna
- USB-C power and data cable
- DB9 connector for UART and power
- 32 GB SD card
- 1 or 2 × Bartington MAG-649 3-axis magnetometer sensors
- RJ45 connection cables for sensors
Sensor Specifications
The kit uses Bartington MAG-649 3-axis fluxgate magnetometer sensors, which measure the magnetic field along X, Y, and Z axes simultaneously.
| Parameter | Value |
|---|---|
| Sensor Type | 3-axis fluxgate magnetometer |
| Measurement Range | ±100 µT |
| Noise Level | <10 pTrms / √Hz at 1 Hz |
| Bandwidth | Up to 1 kHz |
| Power Consumption | <15 mW |
| Output | Analog vector magnetic field |
These sensors provide low noise, high stability and excellent sensitivity, making them suitable for professional magnetometry applications.
Data Logging
| Feature | Specification |
|---|---|
| Logging Rate | Up to 10 Hz |
| Storage | 32 GB SD card |
| Output | UART / USB serial |
| Data Format | CSV |
Logged data typically includes:
- timestamp
- GPS coordinates
- magnetic field components (X, Y, Z)
- system status information
The CSV format allows quick import into GIS, scientific software, and data processing tools.
Connectivity
| Interface | Purpose |
|---|---|
| USB-C | Power and data transfer |
| UART (DB9) | Real-time data streaming |
| RJ45 | Sensor connections |
| SD Card | Data storage |
This flexible connectivity allows integration with telemetry systems, research instruments, embedded monitoring systems, and remote data acquisition setups.
Typical Applications
Geophysical Surveys
- magnetic anomaly detection
- geological mapping
- mineral exploration
Environmental Monitoring
- geomagnetic variation monitoring
- long-term magnetic field studies
Security and Surveillance
- vehicle detection
- magnetic perimeter monitoring
Research and Development
- laboratory magnetic field measurements
- sensor testing and calibration
- multi-sensor magnetic arrays
Basic Operation
- Connect the magnetometer sensor(s) to the FGA DataLogger using RJ45 cables
- Attach the GPS antenna with a clear view of the sky
- Power the logger using USB-C or external power via DB9
- Press the Start button to begin recording
- After the survey, retrieve data by removing the SD card or connecting via USB-C
The recorded CSV files can then be analyzed using standard scientific software.
Related Products
- FG-4 Sensor — standalone 3-axis fluxgate magnetometer
- FG-3+ Sensor — single-axis fluxgate magnetometer
- FG-3C Sensor — calibrated single-axis magnetometer
- FG-3+ (Paired) — matched sensors for gradiometer systems
- FGA Logger — standalone magnetometer data logger