Our company profile

Foundation of STL Systems AG:
1998 in Constance by the brothers Dr. Christoph Ludwig and Dr. Wolfgang Ludwig.

Solutions for demanding, complex measurement tasks by using innovative and cost-optimized sensor and system concepts.

Product philosophy:
Optimization of the customer benefit by uncompromising linking of sensor properties with numerical methods as well as elimination of ambient disturbing influences.

Products / Projects:

  • Calibration Coil Systems
  • High-End Digitizers and Digital Magnetometers
  • Metal Detectors
  • Mobile Signature Measurement and Magnetic Treatment Systems
  • Stationary Signature Measurement and Magnetic Treatment Systems
  • Ultra-high Homogenity Coil Systems (also stray-field compensated)


  • Active Magnetic Shielding
  • Archaeology
  • Degaussing Systems
  • Geology
  • Harbour Protection
  • Magnetic Test and Treatment Ranges
  • Medical Technology MRI
  • Sensor Calibration
  • Ship Signature Measurement
  • Small Intestine Diagnostics
  • Underwater Signal Monitoring