... : magnetite, hematite, magnetite with Va-Ti or Ag-Cu; metal mine with Fe, Co,Ni. 2, Resolution:1nT Main Specification ... magnetite, hematite, magnetite with Va-Ti or Ag-CuMeasured indirectly: metal mine with Fe, Co, NiProbe for magnetic objectsDirection of measurement ... magnetometer in the extended card, otherwise, there is no backup . Portable prospecting magnetometer, iron ore, metal detector