Magnetometers/Gradiometers for measuring variations in the Earth’s magnetic field for mineral exploration, mapping geological structures, or detecting metallic objects.

Walking Overhauser v7 gradiometer system with Enhanced GPS (Option C). Available with one or two sensors.
Walking Overhauser v9 magnetometer system with point-by-point VLF and Enhanced GPS (Option C).
Potassium magnetometer system with highest precision and absolute accuracy. Includes OEMStar GPS (Option B).
Sensor for a GSM-19T Proton magnetometer.