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Equipment

Ground-based Magnetometer

Manufacturer SENSYS Magnetometers & Survey Solutions
Model FGM3D Compact three-axis Fluxgate Magnetometer
Description & Special Features

A compact, waterproof, three-axis fluxgate magnetometer for high-precision static and low-frequency magnetic field measurements. Available with multiple measurement ranges from ?75 ?T (?75,000 nT) up to ?1,000 ?T (?1,000,000 nT), with bandwidths up to 6 kHz. Offers very low noise, excellent thermal stability, and minimal zero offset.

Note: Configurable measurement ranges: from 4,000 nT to 1,000,000 nT. Bandwidth: Standard up to 2 kHz (options for 3 kHz or 4 kHz). Low noise: < 15 pTrms/Hz (0.110 Hz), with low-noise versions < 8 pTrms/?Hz. High accuracy & stability: Thermal drift 0.3 nT/K, zero offset 5 nT, accuracy 0.1%, stability < 5 nT, linearity < 20 ppm, orthogonality 0.5 (single axis) and 1 (overall). Compact & robust: Weight ~112 g, IP65 rating, supply voltage 12 V to 15 V, analog output ?10 V, low power consumption (< 26 mA).