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Professional 3-Axis Magnetometer Kit

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.

ParameterValue
Sensor Type3-axis fluxgate magnetometer
Measurement Range±100 µT
Noise Level<10 pTrms / √Hz at 1 Hz
BandwidthUp to 1 kHz
Power Consumption<15 mW
OutputAnalog vector magnetic field

These sensors provide low noise, high stability and excellent sensitivity, making them suitable for professional magnetometry applications.


Data Logging​

FeatureSpecification
Logging RateUp to 10 Hz
Storage32 GB SD card
OutputUART / USB serial
Data FormatCSV

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​

InterfacePurpose
USB-CPower and data transfer
UART (DB9)Real-time data streaming
RJ45Sensor connections
SD CardData 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​

  1. Connect the magnetometer sensor(s) to the FGA DataLogger using RJ45 cables
  2. Attach the GPS antenna with a clear view of the sky
  3. Power the logger using USB-C or external power via DB9
  4. Press the Start button to begin recording
  5. 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.


  • 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