The newly re-engineered G856F provides a reliable, low cost solution for a variety of magnetic search and mapping applications. Single key stroke operation means the G856F can be operated by non-technical field personnel or used in teaching environments. The G856F uses the well-established proton precession method, allowing accurate measurements to be made with virtually no dependence upon variables such as sensor orientation, temperature, or location. The unit provides a repeatable absolute total field magnetic reading, traceable to the National Institute of Standards and Technology.
The G856F is ideal for mapping geological structures, for mineral, oil and gas exploration, or magnetic search for industrial, environmental or archaeological targets, Earthquake precursor monitoring, volcanic observation, geological survey, land and marine surveying and mapping, and Iron pipe position etc. The optional gradiometer attachment gives greater resolution and noise immunity for conducting searches in high cultural noise environments. Simple operation, large digital data storage capability, and the inclusion of MagMap2000 data transfer and editing software provides a system well suited for both teaching and survey applications.
The automated cycling option with long sensor cable and external power connection allows the G856F to be used as a base station instrument for the measurement of diurnal changes in the Earth’s magnetic field. Diurnal correction data is then downloaded using MagMap2000 and can be applied to either land or airborne magnetometer data.
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