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Stefan Mayer Instruments — Germany

Fluxgate Magnetometers

Compact, low-power fluxgate sensors offering exceptional sensitivity and versatility for research, field deployment, and custom instrumentation applications.

Product Line

Stefan Mayer Fluxgate Sensor Series

Stefan Mayer Instruments designs and manufactures a range of miniature fluxgate sensors combining very low noise, wide temperature tolerance, and low power consumption — ideal for portable instruments, embedded systems, and precision laboratory setups.

FLC3-70 — Miniature Triaxial Fluxgate Sensor

FLC3-70

Overview

The FLC3-70 is an exceptionally compact triaxial fluxgate sensor, measuring all three components of the magnetic field vector simultaneously in a package under 1 inch wide and 2 inches long. Its single DC power supply requirement, very low current draw, and wide operating temperature range make it well-suited for battery-powered portable instruments, UAV platforms, and embedded measurement systems.

Key Specifications

  • Triaxial (3-axis) simultaneous measurement
  • Dimensions: 25 mm diameter × 50 mm long
  • Analog output
  • Current consumption: ˜6 mA
  • Single DC power supply (4.8 - 12 V)
  • Measurement range: >100 µT
  • Bandwidth: 1 kHz
  • Noise: <0.5 nT rms
  • Wide operating temperature range (-5 C to +125 C, HT option for +175 C)

FLC100 — Miniature Single-Axis Fluxgate Sensor

FLC100

Overview

The FLC100 is the single-axis counterpart to the FLC3-70, sharing the ultra-compact form factor and low-power design philosophy. It is ideal for applications where measurement along a single field component is sufficient, such as proximity sensing, compass applications, or single-axis field monitoring in space-constrained installations. Its analog output interfaces easily with standard data acquisition hardware.

Key Specifications

  • Single-axis measurement
  • Dimensions: 14 mm wide × 45 mm long x 5.5 mm deep
  • Analog output
  • Current consumption: 2 mA
  • Single 5V DC power supply
  • Measurement range: ±100 µT
  • Bandwidth: DC - 1 kHz
  • Noise: 0.5 nT rms
  • Wide operating temperature range (-40 C to +85 C)

FL1 Series — High-Sensitivity Fluxgate Sensors

FL1-100

Overview

The FL1 series represents a step up in sensitivity within the Stefan Mayer fluxgate range, offering noise performance an order of magnitude better than the FLC series. Available in multiple field range options, the FL1 family provides flexibility for demanding laboratory and observatory-grade measurements where the highest sensitivity is required.

Key Specifications

  • Standard range ±100 μT
  • Multiple field range options (±10 μT to ±1000 μT)
  • Bandwidth: DC - 1 kHz
  • Noise: <20 pT rms/√Hz at 1 Hz
  • Versions with different probe configurations
  • High-sensitivity research-grade performance
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Candoo Systems Inc. is an authorized reseller of Stefan Mayer Instruments products for Canada, the United States, and Mexico. All products are manufactured in Germany to the highest engineering standards. For pricing, availability, or to discuss your specific application requirements, please contact us.