FGM400

VERTICAL FLUXGATE GRADIOMETER

+/-30,000nT. COMPACT. MAINTENANCE FREE.

The FGM400 is a vertical fluxgate gradiometer with a standard measurement range of ±30,000 nT. It is used in various surface-, underwater- and borehole measurement systems for the detection of magnetic objects, interference fields and signatures in the ground.

The FGM400 consists of two single-axis magnetometers that are aligned vertically to each other in a distance of 400 mm. This alignment allows for differential measurements thus suppressing the Earths magnetic field and global disturbances. The result is an improved detection of object signatures in the ground.


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